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. 2023 Jan 9;21(1):e07726. doi: 10.2903/j.efsa.2023.7726

Update of the Xylella spp. host plant database – systematic literature search up to 30 June 2022

European Food Safety Authority (EFSA), Alice Delbianco, Davide Gibin, Luca Pasinato, Donato Boscia, Massimiliano Morelli
PMCID: PMC9827234  PMID: 36628332

Abstract

This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp. The current mandate covers the period 2021–2026. This report is related to the seventh version of the database published in Zenodo in the EFSA Knowledge Junction community, covering literature published from 1 January 2022 up to 30 June 2022, and recent Europhyt outbreak notifications. Informative data have been extracted from 30 selected publications. Fifteen new host plants were identified and added to the database. Those plant species were reported from Brazil, France, Italy, Portugal and Spain, and infected by subsp. multiplex, pauca or unknown (i.e. not reported). No additional data were retrieved for X. taiwanensis. Two new STs (namely ST88 and ST89) belonging to subspecies multiplex were identified in host plants in natural conditions, and new information on the tolerant/resistant response of plant species to X. fastidiosa infection were added to the database. The overall number of Xylella spp. host plants determined with at least two different detection methods or positive with one method (between sequencing and pure culture isolation) reaches now 423 plant species, 194 genera and 68 families. Such numbers rise to 679 plant species, 304 genera and 88 families if considered regardless of the detection methods applied.

Keywords: Xylella spp., Xylella fastidiosa, host plants, database, data extraction, subspecies, sequence types

1. Introduction

1.1. Background and terms of reference as provided by the requestor

In the context of Article 31 of Regulation (EC) No 178/2002, EFSA was asked by the European Commission DG SANTE to provide technical assistance in the field of plant health as regards the regulated harmful organism Xylella fastidiosa, as per letter to EFSA's Director dated 30 June 2016 (Reference ARES (2016) 3126989).

EFSA was requested to further specify and update the host plants database of X. fastidiosa available in 2016 (EFSA, 2016) taking into account the different X. fastidiosa subspecies and strains (with particular reference to the European isolates), with the inclusion of information on non‐susceptible plants and varieties and negative results of diagnostic tests when available. EFSA was requested to maintain and update this database periodically and to make new releases available on the EFSA website, together with a Scientific Report. The database should focus on plants confirmed to be infected by at least two detection methods in field conditions or via vector transmission under experimental conditions. Such request was for the period 2016–2020.

This mandate was extended by the European Commission DG SANTE for the period 2021–2026, with the aim to continue the update of that database. EFSA is requested to deliver two updates per year of the database.

1.2. Interpretation of the terms of reference

EFSA delivered in September 2018 a renovated database of host plants of Xylella spp., taking into account both species of the genus Xylella (X. fastidiosa and X. taiwanensis) (EFSA, 2018), which was last updated in June 2022 (EFSA, 2022). Raw data and interactive reports were published in Zenodo 1 in the EFSA Knowledge Junction community and in Microstrategy 2 platform, together with a scientific report.

As per terms of reference (ToR), EFSA was requested to maintain and update the Xylella spp. host plant database for the period 2021–2026, and to publish new releases online together with a report twice per year. This Scientific Report provides a new update on the database of host plants of Xylella spp. published in June 2022 (EFSA, 2022). An extensive literature search was conducted to retrieve recent publications on the topic and new informative data on host plant species of Xylella spp. were collected. Such report provides information on the literature review and a detailed view on the currently known host plants of Xylella spp.

2. Data and methodologies

The methodologies developed for the Xylella spp. host plant database published in 2018 (EFSA, 2018) were applied in this report.

The process was divided in the following steps:

  • Extensive literature search to identify relevant references.

  • Selection of studies based on title, abstract and full text.

  • Data extraction of relevant information.

  • Data analysis and reporting.

2.1. Extensive literature search

The review question, ‘Which plant species can host Xylella / Xylella associated disease?’ was broken down into key stages using the P/O conceptual model described in the EFSA systematic review guidance (EFSA, 2010):

  • Population of interest (P)

The population of interest is that of plant species, worldwide.

  • Outcome (condition of interest) (O)

The outcome (condition of interest) is that of Xylella spp. infection.

Two main elements were considered for the extensive literature search: the sources of information (Table 1) to be consulted and the search strategy (Table 2).

Table 1.

Sources of information

Database Platform
Scopus Scopus
BIOSIS Citation Index Web of Science
CABI: CAB Abstracts®
Chinese Science Citation DatabaseSM
Current Contents Connect
FSTA® ‐ the food science resource
KCI‐Korean Journal Database
MEDLINE®
Russian Science Citation Index
SciELO Citation Index
Web of Science Core Collection
  • Science Citation Index Expanded

  • Social Sciences Citation Index

  • Arts & Humanities Citation Index

  • Conference Proceedings Citation Index‐ Science

  • Conference Proceedings Citation Index‐ Social Science & Humanities

  • Book Citation Index– Science

  • Book Citation Index– Social Sciences & Humanities

  • Emerging Sources Citation Index

  • Current Chemical Reactions

  • Index Chemicus

Zoological Record

Table 2.

Search strings and results

Platform Query Results
Scopus (TITLE‐ABS‐KEY (xylella OR xyllela OR xylela OR (pierce* W/2 disease) OR (((plum OR plums) AND “leaf scald*”)) OR ((phony W/2 (peach* OR disease*))) OR ((citrus AND variegat* AND chlorosis)) OR crespera OR “almond leaf scorch*” OR “bacterial leaf scorch*” OR “coffee leaf scorch*” OR “mulberry leaf scorch*” OR “oleander leaf scorch*” OR “sycamore leaf scorch*” OR “Periwinkle wilt” OR “Ragweed stunt” OR ((olive W/50 “quick decline syndrome”)) OR “Xylem inhabiting bacteri*” OR “Xylem limited bacteri*” OR fxib OR fxjb OR “rickettsialike bacteri*” OR “rickettsia like bacteri*”)) AND (ORIG‐LOAD‐DATE > 20,190,701 AND ORIG‐LOAD‐DATE < 20,201,231)) 64
Web of Science TS = (xylella OR xyllela OR xylela OR (pierce* NEAR/2 disease) OR (((Plum OR plums) AND “leaf scald*”)) OR ((Phony NEAR/2 (peach* OR disease*))) OR ((citrus AND variegat* AND chlorosis)) OR crespera OR “almond leaf scorch*” OR “bacterial leaf scorch*” OR “coffee leaf scorch*” OR “mulberry leaf scorch*” OR “oleander leaf scorch*” OR “sycamore leaf scorch*” OR “Periwinkle wilt” OR “Ragweed stunt” OR ((Olive NEAR “quick decline syndrome”)) OR “Xylem inhabiting bacteri*” OR “Xylem limited bacteri*” OR FXIB OR FXJB OR “rickettsialike bacteri*” OR “rickettsia like bacteri*”) 83

2.1.1. Information sources

The search strategy was run in all databases listed in Table 1 via the Web of Science (Clarivate Analytics) and Scopus platforms with no language or document type restriction.

2.1.2. Search terms

The syntax of the search string, developed for the Xylella spp. host plants database published in 2018 (EFSA, 2018), was adapted and run into each platform databases listed in Table 1 on 29 August 2022. As the scope of the search was to retrieve references published after December 2021, the selected time span was from 1 January 2022 up to 30 June 2022. The search strings and the number of retrieved references are shown in Table 2.

The collected references were downloaded and imported into an EndNote X9 library (Clarivate Analytics). Duplicates and references already included in the update published in June 2022 (EFSA, 2022) were removed using EndNote X9 and the remaining references were uploaded on DistillerSR online 3 together with the full texts in portable document format (pdf).

Eleven Europhyt outbreak notifications 4 (accessed on 20 October 2022) were also included.

2.2. Study selection

The collected references were screened for relevance in two steps:

  1. Title and abstract screening.

  2. Full‐text screening of the references that passed the first step.

Inclusion/exclusion criteria were applied in each step and two reviewers worked in parallel screening the references.

The first step required the reviewers to answer two questions, listed in Table 3, considering only title and abstract of the references. The aim of this step was to select only references presenting original research data on Xylella or Xylella‐associated disease.

Table 3.

Inclusion/exclusion criteria for title and abstract screening

Question text Type of answer Answer text Exclusion criteria
Is Xylella/a Xylella associated disease/a Xylella synonym the topic of the study? Only one of the possible alternative answers can be selected Yes Included
No Excluded
Is it a primary research study? Only one of the possible alternative answers can be selected Yes Included
No Excluded

The references that passed the first step were submitted to the full‐text screening. This second step required the reviewers to answer four questions (Table 4): three of them are descriptive (neutral) whereas the fourth has an inclusion/exclusion role.

Table 4.

Inclusion/exclusion criteria at full‐text screening

Question text Type of answer Answer text Exclusion criteria
Is an English abstract present? Only one of the possible alternative answers can be selected Yes Neutral
No Neutral
Which is the type of the publication? Only one of the possible alternative answers can be selected Peer‐reviewed article Neutral
Article Neutral
Book Neutral
Conference proceedings Neutral
Abstract Neutral
Technical publication/Report Neutral
Other Neutral
Is the Xylella host plant the main scope of the study? Only one of the possible alternative answers can be selected Yes Neutral
No Neutral
Is Xylella/a Xylella‐associated disease/a Xylella synonym studied in association with a host plant? Only one of the possible alternative answers can be selected Yes Included
No Excluded

2.3. Data extraction

Informative data listed in Table 5 were extracted from the selected references. For each reference, the first reviewer performed the data extraction whereas the second reviewer conducted the quality check of the extracted data. Data extraction from each reference can generate one or several records. A record is defined as a unique combination of data related to a detection event, and it corresponds to a single Excel row of the files published in Zenodo (see Section 2.4.1). 5

Table 5.

Data extraction structure

Extracted data Description
General information In this section, the general information about the study is reported
RecordID Unique number allocated to each row
RefID Unique number allocated to each reference within the DistillerSR software
Reference Full reference
Publication year Year of the publication
Starting year Starting year of the study, as reported in the publication
Ending year Ending year of the study, as reported in the publication
Botanical identification The botanical identification of the plant, both as reported in the publication and according to the updated taxonomy of the EPPO Global Database, 5 is reported in this section
Plant EPPO code EPPO code of the plant species, from the EPPO global database. 5 For plant species not present in the EPPO global database, a new code was created in the EFSA catalogue.
Plant family Plant family, from the EPPO global database 5
Plant genus Plant genus, from the EPPO global database 5
Plant species Plant species, from the EPPO global database 5
Reported plant species Name of the plant species as reported in the publication
Common name Common name of the plant species, as reported in the publication
Cultivar Cultivar or plant variety, as reported in the publication
Infection information Detailed information about the infection and location of the plant is reported in this section
Infection method (Level 1) The infection of the plant can be natural, artificial or not specified
Infection method (Level 2)

Subcategories of natural infection: during survey activity, during research activity. ‘Research activity’ is used when plants are planted under natural inoculum pressure and infection development was monitored without interfering.

Subcategories of artificial infection: mechanical inoculation (detailed at level 3a), vector transmission (detailed at level 3b)

Mechanical inoculation (Level 3a) Subcategories of mechanical inoculation: budding, grafting, needle, root uptake, stem absorption, syringe
Infection vector species (Level 3b) Insect species used in the artificial vector transmission
Location type The place where the plant was placed: natural habitat, greenhouse, screen house, interception, not specified
Geographic information In this section, the geographical location of the plant is reported, as detailed as possible. In case of intercepted plant, the reported location is the geographical origin of the plant and not the country and location where it was intercepted.
Country code From the EFSA catalogue, based on NUTS (Eurostat) and GAUL (FAO) territorial unit nomenclature
Country From the EFSA catalogue, based on NUTS (Eurostat) and GAUL (FAO) territorial unit nomenclature
Location Location description (state/region/province/municipality) from the EFSA catalogue, based on NUTS (Eurostat) and GAUL (FAO) territorial unit nomenclature
Additional Location Additional information on the location, as reported in the publication
Coordinates precision Coordinates as reported in the publication
Latitude Latitude, as reported in the publication
Longitude Longitude, as reported in the publication
Pest description Information about the pest is reported in this section, together with genetic data
Pest EPPO code EPPO code of the pest, from the EPPO global database 5
Pest species Name of Xylella spp., from the EPPO global database 5
Pest subspecies Xylella fastidiosa subspecies, from the EPPO global database. 5 If the subspecies is inferred from another publication, a note is added to the genotyping comment
Reported pest Name of Xylella spp. as reported in the publication. Names used before the genus Xylella was established (up to 1987): Alfalfa dwarf virus, Morus suffodiens virus, Phony peach bacterium, Pierce's disease bacterium, Pierce's disease virus, Rickettsia‐like bacteria, Rod‐shaped bacteria, Xylem‐inhabiting bacteria. Names used from 1987 (when the genus Xylella was established): Xylella fastidiosa, Xylella taiwanensis
Disease Name of the disease caused by Xylella spp., as reported in the publication: Alfalfa dwarf, Almond leaf scorch, Bacterial leaf scorch, Blueberry bacterial leaf scorch, Citrus variegated chlorosis, Coffee leaf scorch, Coffee stem atrophy, Crespera, Elm leaf scorch, Leaf scorch disease, Mulberry leaf scorch, Oleander leaf scorch, Olive quick decline syndrome, Pear leaf scorch, Pecan bacterial leaf scorch, Periwinkle wilt, Phony peach disease, Pierce disease, Plum leaf scald, Potato purple top disease, Ragweed stunt, Sweetgum dieback, Sycamore leaf scorch
Strain Name of the strain of Xylella spp., as reported in the publication
MLST (Multilocus sequence type) Sequence type (ST) of Xylella fastidiosa, as reported in the publication. If the ST is inferred from another publication, a note is added in the genotyping comment
Genotyping comment Comment or additional information regarding the pest
Methods of identification In this section, the identification methods applied to detect Xylella spp. infection are listed. Eight detection methods were considered and for each of them the outcome of the analysis (positive or negative), together with the number of infected plants and the total number of analysed plants, were reported. Moreover, additional information could be added in the comment column beside each detection method
Symptoms Observation of symptoms in the plant, as reported in the publication
Symptoms expression in test plants Observation of symptom development in test plants after an attempt to transmit the pathogen through vectors
Culture Pure culture isolation (i.e. isolation of cultivable bacteria from tissue samples on solid culture media)
Microscopy Observation of Xylella spp. bacteria through microscopic analysis techniques
ELISA Enzyme‐linked immunosorbent assay
Other immunological techniques Immunological techniques other than ELISA
PCR‐based methods Polymerase chain reaction‐based methods (PCR, nested PCR, qPCR, etc.)
Sequencing Sequence analysis
Host status Information about the tolerance and resistance response of the plant
Tolerance/Resistance reported Tolerant/resistant status of the plant, as reported in the publication
Tolerance/Resistance category Categories describing the response of the tolerant/resistant plant: lack of infection or negative reading, lack of systemic movement, lack or reduction of symptoms, lack or reduction of symptoms – lower bacterial population, lack or reduction of symptoms – lower bacterial population – lower disease incidence, lack or reduction of symptoms – lower disease incidence, lower bacterial population, lower bacterial population – lower disease incidence, lower disease incidence, infection not persistent, reported as tolerant/resistant (no details)
Tolerance/Resistance comment Comment on the tolerant/resistant response of the plant, as reported in the publication
Additional information
Comment Additional relevant information or comment on the study
Confirmed record ‘Yes’ for confirmed records, ‘No’ for unconfirmed/dubious records. Unconfirmed records were included in the data extraction but excluded from the data analysis

2.4. Data warehouse

A harmonised data model has been established to collect data on Xylella spp. host plants. The aim was to establish a harmonised data flow for the collection and the collation of an extensive literature review generated data in the plant health domain. Data are stored in EFSA Scientific Data Warehouse (S‐DWH), after that an ETL (Extract, Transform, Load) procedure is applied in order to harmonise and calculated the statistics.

2.4.1. Data management

The collected data have been submitted to the EFSA Data Collection Framework (DCF). DCF is the upfront system in the EFSA pipeline of data collection tools and allows a first step of harmonisation against the EFSA controlled reference terminology (aka EFSA catalogues). Data have been then included in the S‐DWH by means of a standardised Extract Transform Load (ETL) procedure and they have been further analysed and managed to generate needed statistics.

Data are available as interactive reports on the Microstrategy platform at the following link:

https://www.efsa.europa.eu/en/microstrategy/xylella

Raw data and related metadata are published in Zenodo in the EFSA Knowledge Junction community, this report refers to version 7 (doi: 10.5281/zenodo.1339343 ).

2.4.2. Data reporting

Data reporting was designed to distinguish the Xylella spp. host plant species, based on the number and type of detection methods applied for each finding. Different combinations of detection methods were considered:

  1. Plant species positive with at least two detection methods (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  2. The same as point A, but also including microscopy: plant species positive with at least two detection methods (among microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  3. Plant species positive with at least one detection method (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  4. Plant species positive with at least one detection method including microscopy (microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  5. All positives plant species reported, regardless of the detection methods (positive records but without the detection method specified, symptom observations, microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing, pure culture isolation).

3. Results

3.1. Results of the literature review

The extensive literature search was conducted on 29 August 2022 on Web of Science and Scopus platforms and 147 references were collected. Duplicates and references already included in EFSA (2022) were removed and 97 references were uploaded in DistillerSR and screened for relevance. Results of the screening process are shown in Figure 1.

Figure 1.

Figure 1

Flow diagram of the screening process

In the first step, i.e. title and abstract screening, 70 references were excluded either because they do not focus on Xylella or Xylella‐associated diseases and/or they are not primary research studies. The selected 27 references were subjected to the second step of the screening process, i.e. the full‐text screening. Nineteen references, in which Xylella spp. is studied in association to a host plant, were selected. Eleven Europhyt outbreak notifications 4 containing informative data were also included in the data extraction. Totally, 30 references (listed in Appendix E) were included in this update of the database and from which informative data listed in Table 5 were extracted.

3.2. Update of records already included in the database

Scientific names of plant species, genera and families are reported, as far as possible, according to the taxonomy of the EPPO Global Database (EPPO, 2022) that is constantly being updated. Therefore, changes of scientific names of plant species, genera and families in the Xylella spp. host plant database are related to the update of the taxonomy in the EPPO Global Database.

Records referring to Europhyt outbreak notifications, that may contain incomplete data, are updated whenever additional information (e.g. further identification of the plant species, X. fastidiosa subspecies, ST) become available. Records referring to Europhyt outbreak notifications n. ‐124 (Balearic Islands, Spain) and n. 753 (Porto, Portugal) have been updated in the database following additional information received by the respective NPPO. Records on some infected plant species in the outbreak of Monte Argentario (IT) have been modified following correction of data reported in Europhyt outbreak notification n. 718. In particular, Phillyrea latifolia (EPPO code ‘PLRLA’) and Rosa sp. (ROSSS) were replaced by Rhamnus alaternus (‘RHAAL’) and by Rosa canina (‘ROSCN’), respectively. Scabiosa sp. (‘SCBSS’) was afterwards identified as Scabiosa atropurpurea var. maritima (‘SXLAM’), while Nerium oleander was erroneously reported as infected and then removed from the list. Salvia sp. (‘SALSS’) infected in Apulia region (Europhyt outbreak notification n. ‐228) was afterwards identified as Salvia rosmarinus (‘RMSOF’).

3.3. Host plant species of Xylella spp.

The updated numbers of host plant species, genera and families (according to the different categories reported in Section 2.4.2) are reported in Figure 2 and Table 6. The number of plant species raised to 423 according to category A [i.e. plant species positive with at least two detection methods (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation)] to 679 plant species of category E (i.e. all positives plant species reported, regardless of the detection methods).

Figure 2.

Figure 2

Number of host plant species according to the different categories (as described in Section 2.4.2). Plant species in category A are included in category B; plant species in category B are included in category C; plant species in category C are included in category D; plant species in category D are included in category E

Table 6.

Number of host plant species, genera and families of Xylella spp. according to categories A, B, C, D, E (based on the detection methods applied – see Section 2.4.2)

A B C D E
Number of host plant species 423 428 664 673 679
Number of host plant genera 194 195 303 303 304
Number of host plant families 68 68 88 88 88

Compared to the previous update of the database published in June 2022 (EFSA, 2022), 15 plant species (and six genera) were identified as new hosts of X. fastidiosa. Those plant species and genera were not previously reported in the database. Details of those new hosts of X. fastidiosa are summarised in Table 7.

Table 7.

New host plants of X. fastidiosa. For each host plant, the infection method, the country, the X. fastidiosa subspecies and the category (see Section 2.4.2) are reported. New plant species and new genera are highlighted in bold

Plant EPPO code Plant family Plant genus Plant species Infection method Country X. fastidiosa subspecies Category
AYLBJ Fabaceae Anthyllis Anthyllis barba‐jovis Natural France multiplex A
CDTSE Poaceae Cortaderia Cortaderia selloana Natural Portugal unknown A
INUVI Asteraceae Dittrichia Dittrichia viscosa Natural France multiplex A
HYPAN Hypericaceae Hypericum Hypericum androsaemum Natural Portugal multiplex A
LEPRU Brassicaceae Lepidium Lepidium ruderale Natural Brazil unknown C
LEPRU Brassicaceae Lepidium Lepidium ruderale Artificial multiplex C
MYMSS Scrophulariaceae Myoporum Myoporum sp. Natural France multiplex A
PTNHY Asteraceae Parthenium Parthenium hysterophorus Natural Brazil unknown C
PLAMA Plantaginaceae Plantago Plantago major Natural Brazil unknown C
RAPSR Brassicaceae Raphanus Raphanus sativus Natural Brazil unknown C
RAPSR Brassicaceae Raphanus Raphanus sativus Artificial multiplex C
RUBID Rosaceae Rubus Rubus idaeus Natural Portugal unknown A
RUMSS Polygonaceae Rumex Rumex sp. Natural Brazil unknown C
RUAGR Rutaceae Ruta Ruta graveolens Natural Portugal multiplex A
SNTSS Asteraceae Santolina Santolina sp. Natural Portugal multiplex A
SXLAM Caprifoliaceae Scabiosa Scabiosa atropurpurea var. maritima Natural Italy multiplex A
THYVU Lamiaceae Thymus Thymus vulgaris Natural Spain pauca A

All the new plant species have been found to be naturally infected. Five plant species were reported infected by X. fastidiosa subsp. unknown (i.e. not reported) in Brazil, and for two of those plant species, artificial infection with X. fastidiosa subsp. multiplex has also been successful. In the EU, five new plant species were identified in Portugal, three in France, one in Italy and one in Spain. The subspecies identified in those plants was multiplex (seven plant species), pauca (one plant species) or unknown (two plant species).

The overall number of host plant species infected naturally, artificially and in unspecified conditions by the different X. fastidiosa subspecies and according to the different categories are reported in Tables 8, 9 and 10. The plant species behind the numbers shown in those tables are listed in.

Table 8.

Number of host plant species, naturally infected, susceptible to the different X. fastidiosa subspecies according to categories A, B, C, D, E (as described in Section 2.4.2)

Category fastidiosa fastidiosa_sandyi morus multiplex pauca sandyi tashke unknown
A 58 2 4 212 55 7 1 162
B 58 2 4 212 55 7 1 167
C 61 2 4 219 59 8 1 367
D 61 2 4 219 59 8 1 373
E 61 2 4 219 59 8 1 384

Table 9.

Number of host plant species, artificially infected, susceptible to the different X. fastidiosa subspecies according to categories A, B, C, D, E (as described in Section 2.4.2)

Category fastidiosa morus multiplex pauca sandyi tashke unknown
A 40 2 19 20 5 0 89
B 41 2 19 21 5 0 94
C 78 2 35 33 11 1 202
D 78 2 35 33 11 1 208
E 79 2 36 33 11 1 216

Table 10.

Number of host plant species, infected in unspecified conditions, susceptible to the different X. fastidiosa subspecies according to categories A, B, C, D, E (as described in Section 2.4.2)

Category fastidiosa multiplex pauca sandyi unknown
A 7 13 8 1 16
B 7 13 8 1 18
C 7 16 8 2 27
D 7 16 8 2 29
E 7 16 8 2 31

Appendices A, B and C. In those appendices, the full lists of plant species infected by the different X. fastidiosa subspecies naturally, artificially and in not specified conditions according to the five categories are shown.

The highest number of plant species naturally infected is still recorded for X. fastidiosa subsp. multiplex (212 according to category A, up to 219 for category E), followed by subsp. fastidiosa and subsp. pauca. In artificial infection, 40 (category A) and 79 (category E) plant species were successfully infected by X. fastidiosa subsp. fastidiosa. Twenty plant species were artificially infected by subsp. pauca and 19 by subsp. multiplex (category A), up to 33 and 36 for category E (for pauca and multiplex, respectively).

No new host plants were reported for the pathogen species Xylella taiwanensis, that so far was recorded only in Pyrus pyrifolia plants.

3.4. X. fastidiosa sequence types and host plants association

The full list of plant species infected by the different X. fastidiosa sequence types (ST) under natural, artificial and unspecified conditions is reported in Appendix D. For each plant species, the number of records 6 reporting infection by a specific ST is counted. For natural infection, the country where the plant species have been identified is also reported, whereas for artificial and unspecified infection only, the total number of records is presented in the appendix.

Totally, 2,347 records reporting information on 262 plant species infected by 89 different STs have been reported in the database. Most of the records (1,738) refer to natural infections that were reported in North, Central and South America (United States of America, Mexico, Honduras, Costa Rica, Ecuador, Brazil and Argentina), Europe (Portugal, Spain, France and Italy). The highest number of records for artificial infections belongs to STs of subsp. pauca (247 records). While ST1 (subsp. fastidiosa) remains the most used ST in artificial infections, now with 173 records, ST53 (subsp. pauca) is the most reported genotype in natural infections (475).

Compared to the previous version of the database (EFSA, 2022), two new STs have been identified worldwide. Both new STs belong to the subsp. multiplex and were identified in natural infections in France, respectively, in Coronilla valentina subsp. glauca, Dimorphotheca ecklonis, Euryops chrysanthemoides, Hebe sp., Lavandula x intermedia, Polygala myrtifolia (ST88) and Myoporum sp. and Viburnum tinus (ST89).

3.5. Tolerant and resistant responses of plant species

Information on tolerant and resistant response of plant species to X. fastidiosa infection have also been reported in the database. The list of plant genera and species for which tolerant and resistant response have been identified is reported in Table 11. Five additional records that include this information have been inserted in the database compared to the previous version (EFSA, 2022). Information on tolerant/resistant status is available for 72 plant species with a total number of 713 records.

Table 11.

Number of records reporting tolerant/resistant response for plant genus and species

Plant genus and species Number of records
Arabidopsis 4
Arabidopsis thaliana 4
Citrus 175
Citrus celebica 1
Citrus clementina 4
Citrus jambhiri 2
Citrus junos 1
Citrus latifolia 1
Citrus limettioides 1
Citrus limon 14
Citrus medica 1
Citrus natsudaidai 1
Citrus paradisi 5
Citrus reticulata 9
Citrus reticulata x C. sinensis x C. paradisi 1
Citrus sinensis 8
Citrus sp. 70
Citrus tangerina 32
Citrus x nobilis 11
Citrus x tangelo 13
Coffea 5
Coffea arabica 4
Coffea sp. 1
Fortunella 1
Fortunella margarita 1
Medicago 2
Medicago sativa 2
Olea 34
Olea europaea 34
Platanus 2
Platanus sp. 2
Poncirus 3
Poncirus trifoliata 3
Prunus 58
Prunus angustifolia 1
Prunus armeniaca 3
Prunus avium 5
Prunus cerasus 2
Prunus domestica 3
Prunus dulcis 8
Prunus persica 7
Prunus salicina 14
Prunus sp. 13
Prunus x amygdalo‐persica 2
Quercus 2
Quercus ilex 2
Vaccinium 10
Vaccinium corymbosum 6
Vaccinium sp. 4
Vitis 417
Vitis aestivalis 4
Vitis arizonica 104
Vitis arizonica hybrid 6
Vitis arizonica x V. rupestris 6
Vitis arizonica x V. vinifera 1
Vitis arizonica/candicans 3
Vitis arizonica/candicans x V. rupestris 2
Vitis arizonica/girdiana 1
Vitis berlandieri 9
Vitis berlandieri x riparia hybrids 6
Vitis berlandieri x V. rupestris 4
Vitis candicans 23
Vitis champinii x (V. solonis x V. othello) 1
Vitis cinerea 7
Vitis cinerea x V. berlandieri 2
Vitis girdiana 20
Vitis monticola 4
Vitis munsoniana 3
Vitis popenoei 1
Vitis riparia 19
Vitis rotundifolia 58
Vitis rotundifolia x V. rupestris 1
Vitis simpsonii 1
Vitis sp. 76
Vitis tiliaefolia 1
Vitis treleasei 6
Vitis vinifera 25
Vitis vinifera hybrid 6
Vitis aestivalis var. smalliana 4
Vitis aestivalis var. smalliana x V. simpsonii 4
Vitis aestivalis var. smalliana x V. vinifera 1
Vitis nesbittiana 2
Vitis rufotomentosa 1
Vitis shuttleworthii 5
TOTAL 713

The most studied genera are Vitis, Citrus and Prunus (417, 175 and 58 records, respectively), confirming the important economic value of these crop plant species. Almost all of the new records added to this update are related to Leccino cultivar of Olea europaea species (four records), which now gathers 34 records. A new record reporting resistant behaviour in Vaccinium corymbosum cultivar Emerald has also been added.

To the aim of this study, different tolerant/resistant response to X. fastidiosa infection has been grouped into 11 categories, as reported in Table 12. Those categories include the plant response/s for which the authors of the publication considered that plant as tolerant/resistant to X. fastidiosa infection. One hundred and twenty‐nine publications, which match 713 records, for the most part (442) reporting artificial infections, return information on tolerance and resistance outcome to X. fastidiosa infection. In 45 publications, the authors consider the plant tolerant or resistant, but without adding further details, whereas in 24 publications (and 243 records), the plant is designated tolerant or resistant based on a lower bacterial population it harbours. In 235 cases, this finding comes from artificial infections. The lack of infection and the lack or reduction of symptoms (78 records in each case) are the two most reported tolerant/resistant outcomes in natural infections.

Table 12.

Number of records and publications for tolerance/resistance category

Tolerance/resistance category Number of records Number of publications
Artificial infection Natural infection Infection not specified
Lack of infection or Negative reading 42 78 14
Lack of systemic movement 50 7
Lack or reduction of symptoms 74 78 12
Lack or reduction of symptoms – Lower bacterial population 20 14 17
Lack or reduction of symptoms – Lower bacterial population – Lower disease incidence 2 2
Lack or reduction of symptoms – Lower disease incidence 2 1
Lower bacterial population 235 8 24
Lower bacterial population – Lower disease incidence 3 3
Lower disease incidence 6 4
Not persistent infection 5 3 3
Reported as tolerant/resistant_no details 16 28 49 45
TOTAL 442 222 49 132

4. Conclusions

Following a request from the European Commission, EFSA was asked to create, maintain and regularly update a database of host plant species of Xylella spp. This Scientific Report summarises the most interesting information reported in the new version of the database (version 7).

An extensive literature search was performed including all scientific papers published up to 30 June 2022, as well as additional Europhyt outbreak notifications (last accessed on 20 October 2022).

By these searches, 30 publications were selected and informative data were extracted.

Fifteen host plant species and six genera were identified as new hosts of X. fastidiosa. Those plant species and genera were not previously reported as hosts of X. fastidiosa. The new plant species have been found to be naturally infected in Brazil, France, Italy, Portugal and Spain. The X. fastidiosa subspecies identified were multiplex, pauca or unknown (i.e. not reported). Two of those new plant species were also successfully artificially infected with X. fastidiosa subsp. multiplex. No new data was retrieved for X. taiwanensis.

Compared to the previous version of the database (EFSA, 2022), two new STs, namely ST88 and ST89, belonging to the subsp. multiplex and detected in six and two host species, respectively, have been identified in natural infections occurring in France. It is worth mentioning that the list of new STs had not been updated for 4 years, when ST87 was identified in the X. fastidiosa outbreak found in Tuscany.

Information on tolerant/resistant status were reported for 72 plant species in 126 publications, with a total number of 713 records. The most studied and reported plant taxa are still the economically important genera Citrus, Prunus and Vitis. Newly acquired information on resistance or tolerance responses to infection were reported for Olea europaea (four records) and Vaccinium corymbosum (one record).

The overall number of Xylella spp. host plants reaches now 423 plant species, 194 genera and 68 families for category A [i.e. plant species positive with at least two detection methods (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation)], till 679 plant species, 304 genera and 88 families for category E (i.e. all positives plant species reported, regardless of the detection methods).

A further update of the EFSA database on Xylella spp. host plants is planned for June 2023 with the aim to provide useful information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp.

Data are available as interactive reports on the Microstrategy platform at the following link:

https://www.efsa.europa.eu/en/microstrategy/xylella

Raw data and related metadata are published in Zenodo in the EFSA Knowledge Junction community, this report refers to version 7 (doi:  10.5281/zenodo.1339343 ).

Abbreviations

DCF

Data Collection Framework

EFSA PLH Panel

EFSA Panel on Plant Health

ELISA

enzyme‐linked immunosorbent assay

EPPO

European and Mediterranean Plant Protection Organisation

ETL

Extract Transform Load

PCR

polymerase chain reaction

S‐DWH

EFSA Scientific Data Warehouse

ST

sequence type

Appendix A – Host plant species naturally infected

List of host plant species, naturally infected, of X. fastidiosa subsp. unknown (i.e. not reported in the publication), subsp. fastidiosa, subsp. fastidiosa/sandyi, subsp. morus, subsp. multiplex, subsp. pauca, subsp. sandyi, subsp. tashke and X. taiwanensis according to categories A, B, C, D, E (as reported in Section 2.4.2):

  1. Plant species positive with at least two detection methods (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  2. The same as point A, but also including microscopy: plant species positive with at least two detection methods (among microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  3. Plant species positive with at least one detection method (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  4. Plant species positive with at least one detection method including microscopy (microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  5. All positives plant species reported, regardless of the detection methods (positive records but without the detection method specified, symptom observations, microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing, pure culture isolation).

N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 ACASA Acacia saligna Xf subsp. unknown A
2 ACRRB Acer rubrum Xf subsp. unknown A
3 ALBJU Albizia julibrissin Xf subsp. unknown A
4 AMARE Amaranthus retroflexus Xf subsp. unknown A
5 AMBPS Ambrosia psilostachya Xf subsp. unknown A
6 AMBTR Ambrosia trifida Xf subsp. unknown A
7 AMCAR Ampelopsis arborea Xf subsp. unknown A
8 AMCBR Ampelopsis brevipedunculata Xf subsp. unknown A
9 AMCBH Ampelopsis brevipedunculata var. hancei Xf subsp. unknown A
10 CC135A Periwinkle (common name) Xf subsp. unknown A
11 ASPAC Asparagus acutifolius Xf subsp. unknown A
12 BACHA Baccharis halimifolia Xf subsp. unknown A
13 BACSS Baccharis sp. Xf subsp. unknown A
14 BRSSS Brassica sp. Xf subsp. unknown A
15 CLIAM Callicarpa americana Xf subsp. unknown A
16 CYAAQ Carya aquatica Xf subsp. unknown A
17 CYACA Carya cathayensis Xf subsp. unknown A
18 CYACO Carya cordiformis Xf subsp. unknown A
19 CYAFL Carya floridana Xf subsp. unknown A
20 CYAGL Carya glabra Xf subsp. unknown A
21 CYAIL Carya illinoinensis Xf subsp. unknown A
22 CYALA Carya laciniosa Xf subsp. unknown A
23 CYAPA Carya pallida Xf subsp. unknown A
24 CC275A Carya palmeri Xf subsp. unknown A
25 CYATO Carya tomentosa Xf subsp. unknown A
26 CTURO Catharanthus roseus Xf subsp. unknown A
27 CCSOC Cercis occidentalis Xf subsp. unknown A
28 CASFA Chamaecrista fasciculata Xf subsp. unknown A
29 CIORE Chionanthus retusus Xf subsp. unknown A
30 CXKTA Chitalpa tashkentensis Xf subsp. unknown A
31 CSTIC Cistus creticus Xf subsp. unknown A
32 CIDAU Citrus aurantium Xf subsp. unknown A
33 CIDCE Citrus celebica Xf subsp. unknown A
34 CIDJA Citrus jambhiri Xf subsp. unknown A
35 CIDLI Citrus limon Xf subsp. unknown A
36 CIDME Citrus medica Xf subsp. unknown A
37 CIDNA Citrus natsudaidai Xf subsp. unknown A
38 CIDPA Citrus paradisi Xf subsp. unknown A
39 CIDRE Citrus reticulata Xf subsp. unknown A
40 CIDSI Citrus sinensis Xf subsp. unknown A
41 CIDSS Citrus sp. Xf subsp. unknown A
42 CIDTG Citrus tangerina Xf subsp. unknown A
43 CIDNO Citrus x nobilis Xf subsp. unknown A
44 CIDRP Citrus x tangelo Xf subsp. unknown A
45 CGACY Coelorachis cylindrica Xf subsp. unknown A
46 COFAR Coffea arabica Xf subsp. unknown A
47 COFSS Coffea sp. Xf subsp. unknown A
48 COIMA Conium maculatum Xf subsp. unknown A
49 CDTSE Cortaderia selloana Xf subsp. unknown A
50 DIGSS Digitaria sp. Xf subsp. unknown A
51 DOSKA Diospyros kaki Xf subsp. unknown A
52 DPYPA Diplocyclos palmatus Xf subsp. unknown A
53 DODVI Dodonaea viscosa Xf subsp. unknown A
54 EPHTE Euphorbia terracina Xf subsp. unknown A
55 FAUCR Fagus crenata Xf subsp. unknown A
56 FATJA Fatsia japonica Xf subsp. unknown A
57 FIUCA Ficus carica Xf subsp. unknown A
58 FRXPE Fraxinus pennsylvanica Xf subsp. unknown A
59 GIKBI Ginkgo biloba Xf subsp. unknown A
60 CC278A Gleditsia triacanthos var. inermis Xf subsp. unknown A
61 GREJU Grevillea juniperina Xf subsp. unknown A
62 HELAN Helianthus annuus Xf subsp. unknown A
63 HEGSS Hemerocallis sp. Xf subsp. unknown A
64 HIBSH Hibiscus schizopetalus Xf subsp. unknown A
65 HUMJA Humulus scandens Xf subsp. unknown A
66 ILEVO Ilex vomitoria Xf subsp. unknown A
67 IVAAN Iva annua Xf subsp. unknown A
68 IACMI Jacaranda mimosifolia Xf subsp. unknown A
69 IUGSS Juglans sp. Xf subsp. unknown A
70 IUPAS Juniperus ashei Xf subsp. unknown A
71 LAEIN Lagerstroemia indica Xf subsp. unknown A
72 LAESS Lagerstroemia sp. Xf subsp. unknown A
73 LURNO Laurus nobilis Xf subsp. unknown A
74 LAVAN Lavandula angustifolia Xf subsp. unknown A
75 LAVDE Lavandula dentata Xf subsp. unknown A
76 LAVST Lavandula stoechas Xf subsp. unknown A
77 LIGLU Ligustrum lucidum Xf subsp. unknown A
78 LIQST Liquidambar styraciflua Xf subsp. unknown A
79 LONJA Lonicera japonica Xf subsp. unknown A
80 LUPAD Lupinus aridorum Xf subsp. unknown A
81 LUPVI Lupinus villosus Xf subsp. unknown A
82 MAGGR Magnolia grandiflora Xf subsp. unknown A
83 MLLPA Mallotus paniculatus Xf subsp. unknown A
84 MEDSA Medicago sativa Xf subsp. unknown A
85 MIMSS Mimosa sp. Xf subsp. unknown A
86 MODCA Modiola caroliniana Xf subsp. unknown A
87 MORAL Morus alba Xf subsp. unknown A
88 MORRU Morus rubra Xf subsp. unknown A
89 MORSS Morus sp. Xf subsp. unknown A
90 MYMIN Myoporum insulare Xf subsp. unknown A
91 MYVCO Myrtus communis Xf subsp. unknown A
92 NANDO Nandina domestica Xf subsp. unknown A
93 NPTLU Neptunia lutea Xf subsp. unknown A
94 NEROL Nerium oleander Xf subsp. unknown A
95 OLVEU Olea europaea Xf subsp. unknown A
96 OLVES Olea europaea subsp. sylvestris Xf subsp. unknown A
97 OLVSS Olea sp. Xf subsp. unknown A
98 PRTQU Parthenocissus quinquefolia Xf subsp. unknown A
99 PASDI Paspalum dilatatum Xf subsp. unknown A
100 PEBAM Persea americana Xf subsp. unknown A
101 PHXRE Phoenix reclinata Xf subsp. unknown A
102 PHXRO Phoenix roebelenii Xf subsp. unknown A
103 PIUTD Pinus taeda Xf subsp. unknown A
104 PLTOC Platanus occidentalis Xf subsp. unknown A
105 PLTSS Platanus sp. Xf subsp. unknown A
106 POGMY Polygala myrtifolia Xf subsp. unknown A
107 PRNAV Prunus avium Xf subsp. unknown A
108 PRNCF Prunus cerasifera Xf subsp. unknown A
109 CC209A Prunus cerasifera x P. munsoniana Xf subsp. unknown A
110 PRNDU Prunus dulcis Xf subsp. unknown A
111 PRNPS Prunus persica Xf subsp. unknown A
112 PRNSC Prunus salicina Xf subsp. unknown A
113 PRNSS Prunus sp. Xf subsp. unknown A
114 PTEAQ Pteridium aquilinum Xf subsp. unknown A
115 PYUPY Pyrus pyrifolia Xf subsp. unknown A
116 PYUSS Pyrus sp. Xf subsp. unknown A
117 QUECO Quercus coccinea Xf subsp. unknown A
118 QUEFC Quercus falcata Xf subsp. unknown A
119 QUELA Quercus laevis Xf subsp. unknown A
120 QUELF Quercus laurifolia Xf subsp. unknown A
121 QUENI Quercus nigra Xf subsp. unknown A
122 QUEPA Quercus palustris Xf subsp. unknown A
123 QUERU Quercus rubra Xf subsp. unknown A
124 QUESS Quercus sp. Xf subsp. unknown A
125 QUEVE Quercus velutina Xf subsp. unknown A
126 QUEVI Quercus virginiana Xf subsp. unknown A
127 RATCO Ratibida columnifera Xf subsp. unknown A
128 RHAAL Rhamnus alaternus Xf subsp. unknown A
129 RHUSS Rhus sp. Xf subsp. unknown A
130 RUBHP Rubus hedycarpus subsp. procerus Xf subsp. unknown A
131 RUBID Rubus idaeus Xf subsp. unknown A
132 RUBSS Rubus sp. Xf subsp. unknown A
133 RMSOF Salvia rosmarinus Xf subsp. unknown A
134 SAMCN Sambucus canadensis Xf subsp. unknown A
135 SSAAL Sassafras albidum Xf subsp. unknown A
136 SSASS Sassafras sp. Xf subsp. unknown A
137 SETMG Setaria magna Xf subsp. unknown A
138 SOOFI Solidago fistulosa Xf subsp. unknown A
139 SPUJU Spartium junceum Xf subsp. unknown A
140 SWTPS Stewartia pseudocamellia Xf subsp. unknown A
141 ZMYDI Symphyotrichum divaricatum Xf subsp. unknown A
142 TRFRE Trifolium repens Xf subsp. unknown A
143 ULMAM Ulmus americana Xf subsp. unknown A
144 ULMGL Ulmus glabra Xf subsp. unknown A
145 ULMPU Ulmus pumila Xf subsp. unknown A
146 ULMSS Ulmus sp. Xf subsp. unknown A
147 VACAH Vaccinium ashei Xf subsp. unknown A
148 VACCO Vaccinium corymbosum Xf subsp. unknown A
149 VACSS Vaccinium sp. Xf subsp. unknown A
150 VACVG Vaccinium virgatum Xf subsp. unknown A
151 VINMA Vinca major Xf subsp. unknown A
152 VINMI Vinca minor Xf subsp. unknown A
153 VITCL Vitis californica Xf subsp. unknown A
154 VITCA Vitis candicans Xf subsp. unknown A
155 VITLA Vitis labrusca Xf subsp. unknown A
156 CC241A Vitis labrusca x V. vinifera Xf subsp. unknown A
157 VITMU Vitis munsoniana Xf subsp. unknown A
158 CC242A Vitis muscadina Xf subsp. unknown A
159 VITRI Vitis riparia Xf subsp. unknown A
160 VITRF Vitis rotundifolia Xf subsp. unknown A
161 VITSS Vitis sp. Xf subsp. unknown A
162 VITVI Vitis vinifera Xf subsp. unknown A
163 ACRSC Acer saccharum Xf subsp. unknown B
164 CYPER Cyperus eragrostis Xf subsp. unknown B
165 HVEBR Hevea brasiliensis Xf subsp. unknown B
166 PRNDO Prunus domestica Xf subsp. unknown B
167 SORHA Sorghum halepense Xf subsp. unknown B
168 ACALO Acacia longifolia Xf subsp. unknown C
169 ACRMA Acer macrophyllum Xf subsp. unknown C
170 ACRNE Acer negundo Xf subsp. unknown C
171 ACRPL Acer platanoides Xf subsp. unknown C
172 ACRSS Acer sp. Xf subsp. unknown C
173 AECHY Aesculus x hybrida Xf subsp. unknown C
174 AGTAU Agathis australis Xf subsp. unknown C
175 AGSGI Agrostis gigantea Xf subsp. unknown C
176 AEYEX Alectryon excelsus Xf subsp. unknown C
177 ALRFI Alternanthera ficoidea Xf subsp. unknown C
178 AMASS Amaranthus sp. Xf subsp. unknown C
179 BRODI Anisantha diandra Xf subsp. unknown C
180 BRORI Anisantha rigida Xf subsp. unknown C
181 ARYSS Arctostaphylos sp. Xf subsp. unknown C
182 ARTDO Artemisia douglasiana Xf subsp. unknown C
183 ATXSS Atriplex sp. Xf subsp. unknown C
184 AVEFA Avena fatua Xf subsp. unknown C
185 AXOCO Axonopus compressus Xf subsp. unknown C
186 BACPI Baccharis pilularis Xf subsp. unknown C
187 BIDPI Bidens pilosa Xf subsp. unknown C
188 BOEDI Boerhavia diffusa Xf subsp. unknown C
189 BOILF Borreria latifolia Xf subsp. unknown C
190 BRADC Brachiaria decumbens Xf subsp. unknown C
191 BRAPL Brachiaria plantaginea Xf subsp. unknown C
192 BRGSS Brachyglottis sp. Xf subsp. unknown C
193 BROSS Bromus sp. Xf subsp. unknown C
194 BRNPA Broussonetia papyrifera Xf subsp. unknown C
195 CCOSS Calicotome sp. Xf subsp. unknown C
196 BLABI Calyptocarpus biaristatus Xf subsp. unknown C
197 CMIRA Campsis radicans Xf subsp. unknown C
198 CAPBP Capsella bursa‐pastoris Xf subsp. unknown C
199 CRXSS Carex sp. Xf subsp. unknown C
200 CELOR Celastrus orbiculatus Xf subsp. unknown C
201 CCHEC Cenchrus echinatus Xf subsp. unknown C
202 CHEMU Chenopodiastrum murale Xf subsp. unknown C
203 CHRHA Chloris halophila Xf subsp. unknown C
204 CC158A Coffea arabica x C. canephora Xf subsp. unknown C
205 CC159A Coffea arabica x C. eugenioides Xf subsp. unknown C
206 CC161A Coffea arabica x C. liberica var. dewevrei Xf subsp. unknown C
207 CC162A Coffea arabica x C. racemosa Xf subsp. unknown C
208 COFCA Coffea canephora Xf subsp. unknown C
209 RDGVE Coffea racemosa Xf subsp. unknown C
210 CC164A Coffea eugenioides Xf subsp. unknown C
211 CC165A Coffea kapakata Xf subsp. unknown C
212 COFEX Coffea liberica var. dewevrei Xf subsp. unknown C
213 COFST Coffea stenophylla Xf subsp. unknown C
214 COMBE Commelina benghalensis Xf subsp. unknown C
215 COMER Commelina erecta Xf subsp. unknown C
216 CONAR Convolvulus arvensis Xf subsp. unknown C
217 CPMRE Coprosma repens Xf subsp. unknown C
218 CPMRO Coprosma robusta Xf subsp. unknown C
219 CDLAU Cordyline australis Xf subsp. unknown C
220 CDLSS Cordyline sp. Xf subsp. unknown C
221 CRWFL Cornus florida Xf subsp. unknown C
222 CKICO Corokia cotoneaster Xf subsp. unknown C
223 CKIMA Corokia macrocarpa Xf subsp. unknown C
224 CKISS Corokia sp. Xf subsp. unknown C
225 CCKLA Corynocarpus laevigatus Xf subsp. unknown C
226 ERMSE Croton setigerus Xf subsp. unknown C
227 CYNDA Cynodon dactylon Xf subsp. unknown C
228 CYPSS Cyperus sp. Xf subsp. unknown C
229 SAOSC Cytisus scoparius Xf subsp. unknown C
230 DATWR Datura wrightii Xf subsp. unknown C
231 DIGHO Digitaria horizontalis Xf subsp. unknown C
232 TRCIN Digitaria insularis Xf subsp. unknown C
233 DIGSA Digitaria sanguinalis Xf subsp. unknown C
234 DUTPL Duranta erecta Xf subsp. unknown C
235 CHEAM Dysphania ambrosioides Xf subsp. unknown C
236 ECHCG Echinochloa crus‐galli Xf subsp. unknown C
237 ELEIN Eleusine indica Xf subsp. unknown C
238 ERICA Erigeron canadensis Xf subsp. unknown C
239 ERBCO Eriochloa contracta Xf subsp. unknown C
240 ERGSS Eriogonum sp. Xf subsp. unknown C
241 EROBO Erodium botrys Xf subsp. unknown C
242 EROMO Erodium moschatum Xf subsp. unknown C
243 EROSS Erodium sp. Xf subsp. unknown C
244 ESABI Escallonia bifida Xf subsp. unknown C
245 EUCSS Eucalyptus sp. Xf subsp. unknown C
246 EPHHI Euphorbia hirta Xf subsp. unknown C
247 FACAP Facelis retusa Xf subsp. unknown C
248 CC180A Fragaria vesca subsp. californica Xf subsp. unknown C
249 FRXDI Fraxinus dipetala Xf subsp. unknown C
250 FUCMA Fuchsia magellanica Xf subsp. unknown C
251 GERDI Geranium dissectum Xf subsp. unknown C
252 HAGER Haloragis erecta Xf subsp. unknown C
253 HBESS Hebe sp. Xf subsp. unknown C
254 HEEHE Hedera helix Xf subsp. unknown C
255 HEOFR Heliotropium fruticosum Xf subsp. unknown C
256 HEOIN Heliotropium indicum Xf subsp. unknown C
257 HTTGR Heterotheca grandiflora Xf subsp. unknown C
258 HORMU Hordeum murinum Xf subsp. unknown C
259 HYEPA Hydrangea paniculata Xf subsp. unknown C
260 HRYBR Hypochaeris brasiliensis Xf subsp. unknown C
261 IPOFI Ipomoea fistulosa Xf subsp. unknown C
262 LACSE Lactuca serriola Xf subsp. unknown C
263 LECSI Leonurus sibiricus Xf subsp. unknown C
264 LEPAU Lepidium auriculatum Xf subsp. unknown C
265 COPDI Lepidium didymum Xf subsp. unknown C
266 LEPRU Lepidium ruderale Xf subsp. unknown C
267 LIGSI Ligustrum sinense Xf subsp. unknown C
268 CC189A Ligustrum virginicum Xf subsp. unknown C
269 LIRTU Liriodendron tulipifera Xf subsp. unknown C
270 LOLMU Lolium multiflorum Xf subsp. unknown C
271 LOLPE Lolium perenne Xf subsp. unknown C
272 LUDUR Ludwigia grandiflora Xf subsp. unknown C
273 MALPA Malva parviflora Xf subsp. unknown C
274 MAQVU Marrubium vulgare Xf subsp. unknown C
275 MEDPO Medicago polymorpha Xf subsp. unknown C
276 MLQTE Melicope ternata Xf subsp. unknown C
277 MLYRA Melicytus ramiflorus Xf subsp. unknown C
278 MEUSS Melilotus sp. Xf subsp. unknown C
279 MLSOF Melissa officinalis Xf subsp. unknown C
280 MRRMA Merremia macrocalyx Xf subsp. unknown C
281 MRYSI Meryta sinclairii Xf subsp. unknown C
282 MTDEX Metrosideros excelsa Xf subsp. unknown C
283 MTDSS Metrosideros sp. Xf subsp. unknown C
284 CC195A Metrosideros kermadecensis Xf subsp. unknown C
285 MNTLI Montiastrum lineare Xf subsp. unknown C
286 MYMLA Myoporum laetum Xf subsp. unknown C
287 MAJHO Origanum majorana Xf subsp. unknown C
288 DKTAC Panicum acuminatum Xf subsp. unknown C
289 PTNHY Parthenium hysterophorus Xf subsp. unknown C
290 PRTTR Parthenocissus tricuspidata Xf subsp. unknown C
291 PASUR Paspalum urvillei Xf subsp. unknown C
292 CC200A Paspalum regnellii Xf subsp. unknown C
293 PAQFO Passiflora foetida Xf subsp. unknown C
294 PESCL Pennisetum clandestinum Xf subsp. unknown C
295 POLLA Persicaria lapathifolia Xf subsp. unknown C
296 POLPE Persicaria maculosa Xf subsp. unknown C
297 PGASA Phagnalon saxatile Xf subsp. unknown C
298 PHAAN Phalaris angusta Xf subsp. unknown C
299 PHXSS Phoenix sp. Xf subsp. unknown C
300 PHMCO Phormium colensoi Xf subsp. unknown C
301 PHMTE Phormium tenax Xf subsp. unknown C
302 PTUCR Pittosporum crassifolium Xf subsp. unknown C
303 PTUEU Pittosporum eugenioides Xf subsp. unknown C
304 PTUTE Pittosporum tenuifolium Xf subsp. unknown C
305 PTUUM Pittosporum umbellatum Xf subsp. unknown C
306 PLALA Plantago lanceolata Xf subsp. unknown C
307 PLAMA Plantago major Xf subsp. unknown C
308 PLUOD Pluchea odorata Xf subsp. unknown C
309 POAAN Poa annua Xf subsp. unknown C
310 POLAR Polygonum arenastrum Xf subsp. unknown C
311 POROL Portulaca oleracea Xf subsp. unknown C
312 PRNAN Prunus angustifolia Xf subsp. unknown C
313 PRNLR Prunus laurocerasus Xf subsp. unknown C
314 PRNSO Prunus serotina Xf subsp. unknown C
315 PRNSL Prunus serrulata Xf subsp. unknown C
316 CC214A Prunus simonii x P. salicina x P. cerasifera x P. munsoniana Xf subsp. unknown C
317 QUEAG Quercus agrifolia Xf subsp. unknown C
318 QUEAL Quercus alba Xf subsp. unknown C
319 QUEIL Quercus ilex Xf subsp. unknown C
320 QUEIM Quercus imbricaria Xf subsp. unknown C
321 QUEIN Quercus incana Xf subsp. unknown C
322 QUEMC Quercus macrocarpa Xf subsp. unknown C
323 QUEPH Quercus phellos Xf subsp. unknown C
324 RANRE Ranunculus repens Xf subsp. unknown C
325 RAPSR Raphanus sativus Xf subsp. unknown C
326 RHUDI Rhus diversiloba Xf subsp. unknown C
327 RCHSS Richardia sp. Xf subsp. unknown C
328 ROSCA Rosa californica Xf subsp. unknown C
329 RUBUR Rubus ursinus Xf subsp. unknown C
330 RUBVI Rubus vitifolius Xf subsp. unknown C
331 1RUMG Rumex Xf subsp. unknown C
332 RUMCR Rumex crispus Xf subsp. unknown C
333 RUMSS Rumex sp. Xf subsp. unknown C
334 SAXSS Salix sp. Xf subsp. unknown C
335 SASKT Salsola kali subsp. tragus Xf subsp. unknown C
336 SALOF Salvia officinalis Xf subsp. unknown C
337 SAMGL Sambucus cerulea Xf subsp. unknown C
338 SNTMA Santolina magonica Xf subsp. unknown C
339 SENGB Senecio grisebachii Xf subsp. unknown C
340 SENVU Senecio vulgaris Xf subsp. unknown C
341 CC221A Senna secundiflora Xf subsp. unknown C
342 SIDRH Sida rhombifolia Xf subsp. unknown C
343 SLYMA Silybum marianum Xf subsp. unknown C
344 SSYIR Sisymbrium irio Xf subsp. unknown C
345 SOLAM Solanum americanum Xf subsp. unknown C
346 SONOL Sonchus oleraceus Xf subsp. unknown C
347 SONSS Sonchus sp. Xf subsp. unknown C
348 SOBSE Sophora secundiflora Xf subsp. unknown C
349 STAAR Stachys arvensis Xf subsp. unknown C
350 STEME Stellaria media Xf subsp. unknown C
351 SYZPA Syzygium paniculatum Xf subsp. unknown C
352 TALPA Talinum paniculatum Xf subsp. unknown C
353 TAROF Taraxacum officinale Xf subsp. unknown C
354 TRFIN Trifolium incarnatum Xf subsp. unknown C
355 ULEPA Ulex parviflorus Xf subsp. unknown C
356 URTLY Urtica dioica subsp. gracilis Xf subsp. unknown C
357 URTUR Urtica urens Xf subsp. unknown C
358 VEBLI Verbena litoralis Xf subsp. unknown C
359 VENSS Vernonia sp. Xf subsp. unknown C
360 VERPE Veronica persica Xf subsp. unknown C
361 VERSS Veronica sp. Xf subsp. unknown C
362 CC226A Vicia ludoviciana Xf subsp. unknown C
363 VIXLU Vitex lucens Xf subsp. unknown C
364 VITAZ Vitis arizonica Xf subsp. unknown C
365 VITGI Vitis girdiana Xf subsp. unknown C
366 WSTFR Wisteria frutescens Xf subsp. unknown C
367 XANSP Xanthium spinosum Xf subsp. unknown C
368 CIDLO Citrus x limonia Xf subsp. unknown D
369 COFLI Coffea liberica Xf subsp. unknown D
370 PRNAM Prunus americana Xf subsp. unknown D
371 PRNMS Prunus munsoniana Xf subsp. unknown D
372 PRNSI Prunus simonii Xf subsp. unknown D
373 SOOCA Solidago canadensis Xf subsp. unknown D
374 PRNAR Prunus armeniaca Xf subsp. unknown E
375 PRNHO Prunus hortulana Xf subsp. unknown E
376 PRNME Prunus mexicana Xf subsp. unknown E
377 ULMHO Ulmus x hollandica Xf subsp. unknown E
378 VITAE Vitis aestivalis Xf subsp. unknown E
379 VITBQ Vitis bourquiniana Xf subsp. unknown E
380 VITCI Vitis cinerea Xf subsp. unknown E
381 VITCN Vitis simpsonii Xf subsp. unknown E
382 VITCH Vitis x champinii Xf subsp. unknown E
383 CC256A Vitis rufotomentosa Xf subsp. unknown E
384 CC257A Vitis shuttleworthii Xf subsp. unknown E
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 ACRSS Acer sp. Xf subsp. fastidiosa A
2 AMBEL Ambrosia artemisiifolia Xf subsp. fastidiosa A
3 CCOSP Calicotome spinosa Xf subsp. fastidiosa A
4 CCSOC Cercis occidentalis Xf subsp. fastidiosa A
5 CSTMO Cistus monspeliensis Xf subsp. fastidiosa A
6 CIDLI Citrus limon Xf subsp. fastidiosa A
7 CIDPA Citrus paradisi Xf subsp. fastidiosa A
8 CIDRE Citrus reticulata Xf subsp. fastidiosa A
9 CIDSI Citrus sinensis Xf subsp. fastidiosa A
10 COFAR Coffea arabica Xf subsp. fastidiosa A
11 COFCA Coffea canephora Xf subsp. fastidiosa A
12 COFSS Coffea sp. Xf subsp. fastidiosa A
13 ELGAN Elaeagnus angustifolia Xf subsp. fastidiosa A
14 CC270A Erysimum hybrids Xf subsp. fastidiosa A
15 FIUCA Ficus carica Xf subsp. fastidiosa A
16 GENLU Genista lucida Xf subsp. fastidiosa A
17 IUGRE Juglans regia Xf subsp. fastidiosa A
18 LUPAD Lupinus aridorum Xf subsp. fastidiosa A
19 MAGGR Magnolia grandiflora Xf subsp. fastidiosa A
20 MEDSA Medicago sativa Xf subsp. fastidiosa A
21 MTDSS Metrosideros sp. Xf subsp. fastidiosa A
22 MORSS Morus sp. Xf subsp. fastidiosa A
23 MYVCO Myrtus communis Xf subsp. fastidiosa A
24 NEROL Nerium oleander Xf subsp. fastidiosa A
25 PELGV Pelargonium graveolens Xf subsp. fastidiosa A
26 PLUOD Pluchea odorata Xf subsp. fastidiosa A
27 POGMY Polygala myrtifolia Xf subsp. fastidiosa A
28 PRNAV Prunus avium Xf subsp. fastidiosa A
29 PRNDU Prunus dulcis Xf subsp. fastidiosa A
30 PRNPS Prunus persica Xf subsp. fastidiosa A
31 PRNSS Prunus sp. Xf subsp. fastidiosa A
32 PSISS Psidium sp. Xf subsp. fastidiosa A
33 RHAAL Rhamnus alaternus Xf subsp. fastidiosa A
34 RUBDI Rubus rigidus Xf subsp. fastidiosa A
35 RUBUR Rubus ursinus Xf subsp. fastidiosa A
36 RUACH Ruta chalepensis Xf subsp. fastidiosa A
37 RMSOF Salvia rosmarinus Xf subsp. fastidiosa A
38 SAMCN Sambucus canadensis Xf subsp. fastidiosa A
39 SAMSS Sambucus sp. Xf subsp. fastidiosa A
40 SPUJU Spartium junceum Xf subsp. fastidiosa A
41 STZRE Strelitzia reginae Xf subsp. fastidiosa A
42 SRQHY Streptocarpus hybrids Xf subsp. fastidiosa A
43 TEUCP Teucrium capitatum Xf subsp. fastidiosa A
44 ULEEU Ulex europaeus Xf subsp. fastidiosa A
45 ULMAM Ulmus americana Xf subsp. fastidiosa A
46 VACCO Vaccinium corymbosum Xf subsp. fastidiosa A
47 VINMA Vinca major Xf subsp. fastidiosa A
48 VINSS Vinca sp. Xf subsp. fastidiosa A
49 VITAE Vitis aestivalis Xf subsp. fastidiosa A
50 CC227A Vitis aestivalis hybrid Xf subsp. fastidiosa A
51 VITCL Vitis californica Xf subsp. fastidiosa A
52 VITCA Vitis candicans Xf subsp. fastidiosa A
53 CC238A Vitis cinerea var. helleri x V. vulpina Xf subsp. fastidiosa A
54 VITGI Vitis girdiana Xf subsp. fastidiosa A
55 VITHD Vitis hybrids Xf subsp. fastidiosa A
56 VITRF Vitis rotundifolia Xf subsp. fastidiosa A
57 VITSS Vitis sp. Xf subsp. fastidiosa A
58 VITVI Vitis vinifera Xf subsp. fastidiosa A
59 BRNPA Broussonetia papyrifera Xf subsp. fastidiosa B
60 QUESS Quercus sp. Xf subsp. fastidiosa B
61 ULMSS Ulmus sp. Xf subsp. fastidiosa B
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 ACACL Acacia cultriformis Xf subsp. multiplex A
2 ACADA Acacia dealbata Xf subsp. multiplex A
3 ACALO Acacia longifolia Xf subsp. multiplex A
4 ACAME Acacia melanoxylon Xf subsp. multiplex A
5 ACASA Acacia saligna Xf subsp. multiplex A
6 ACASS Acacia sp. Xf subsp. multiplex A
7 ACRGS Acer griseum Xf subsp. multiplex A
8 ACRPP Acer pseudoplatanus Xf subsp. multiplex A
9 ACRRB Acer rubrum Xf subsp. multiplex A
10 ADCCL Adenocarpus lainzii Xf subsp. multiplex A
11 ALURH Alnus rhombifolia Xf subsp. multiplex A
12 AMBPS Ambrosia psilostachya Xf subsp. multiplex A
13 AMBSS Ambrosia sp. Xf subsp. multiplex A
14 AMBTR Ambrosia trifida Xf subsp. multiplex A
15 AMBTT Ambrosia trifida var. texana Xf subsp. multiplex A
16 AMCCO Ampelopsis cordata Xf subsp. multiplex A
17 AYLBJ Anthyllis barba‐jovis Xf subsp. multiplex A
18 AYLHE Anthyllis hermanniae Xf subsp. multiplex A
19 CC135A Periwinkle (common name) Xf subsp. multiplex A
20 ARDUN Arbutus unedo Xf subsp. multiplex A
21 CHYFR Argyranthemum frutescens Xf subsp. multiplex A
22 ARTAB Artemisia absinthium Xf subsp. multiplex A
23 ARTAO Artemisia arborescens Xf subsp. multiplex A
24 ARTSS Artemisia sp. Xf subsp. multiplex A
25 ASPAC Asparagus acutifolius Xf subsp. multiplex A
26 ATUFF Athyrium filix‐femina Xf subsp. multiplex A
27 BACHA Baccharis halimifolia Xf subsp. multiplex A
28 BEBTH Berberis thunbergii Xf subsp. multiplex A
29 CCOSP Calicotome spinosa Xf subsp. multiplex A
30 CCOVI Calicotome villosa Xf subsp. multiplex A
31 CLXCI Callistemon citrinus Xf subsp. multiplex A
32 CUNVU Calluna vulgaris Xf subsp. multiplex A
33 KLCBR Calocephalus brownii Xf subsp. multiplex A
34 CYAIL Carya illinoinensis Xf subsp. multiplex A
35 CYASS Carya sp. Xf subsp. multiplex A
36 CETOC Celtis occidentalis Xf subsp. multiplex A
37 CCSCA Cercis canadensis Xf subsp. multiplex A
38 CCSOC Cercis occidentalis Xf subsp. multiplex A
39 CCSSI Cercis siliquastrum Xf subsp. multiplex A
40 CIOSS Chionanthus sp. Xf subsp. multiplex A
41 CSTAL Cistus albidus Xf subsp. multiplex A
42 CSTIC Cistus creticus Xf subsp. multiplex A
43 CSTPS Cistus inflatus Xf subsp. multiplex A
44 CSTMO Cistus monspeliensis Xf subsp. multiplex A
45 CSTSA Cistus salviifolius Xf subsp. multiplex A
46 CSTSS Cistus sp. Xf subsp. multiplex A
47 CLVCI Clematis cirrhosa Xf subsp. multiplex A
48 CLVVT Clematis vitalba Xf subsp. multiplex A
49 CONCN Convolvulus cneorum Xf subsp. multiplex A
50 CPMRE Coprosma repens Xf subsp. multiplex A
51 CZRVL Coronilla valentina Xf subsp. multiplex A
52 CZRVG Coronilla valentina subsp. glauca Xf subsp. multiplex A
53 SAOSC Cytisus scoparius Xf subsp. multiplex A
54 CZSSS Cytisus sp. Xf subsp. multiplex A
55 CC274A Cytisus spinosa Xf subsp. multiplex A
56 CZSVI Cytisus villosus Xf subsp. multiplex A
57 OSPEK Dimorphotheca ecklonis Xf subsp. multiplex A
58 OSPFR Dimorphotheca fruticosa Xf subsp. multiplex A
59 DODVI Dodonaea viscosa Xf subsp. multiplex A
60 EHIPL Echium plantagineum Xf subsp. multiplex A
61 ELGAN Elaeagnus angustifolia Xf subsp. multiplex A
62 ELGEB Elaeagnus x submacrophylla Xf subsp. multiplex A
63 ENCFA Encelia farinosa Xf subsp. multiplex A
64 EIACN Erica cinerea Xf subsp. multiplex A
65 ERICA Erigeron canadensis Xf subsp. multiplex A
66 ERIKA Erigeron karvinskianus Xf subsp. multiplex A
67 ERQUM Eriocephalus africanus Xf subsp. multiplex A
68 EROMO Erodium moschatum Xf subsp. multiplex A
69 EYOCH Euryops chrysanthemoides Xf subsp. multiplex A
70 EYOPE Euryops pectinatus Xf subsp. multiplex A
71 POLCU Fallopia japonica Xf subsp. multiplex A
72 FIUCA Ficus carica Xf subsp. multiplex A
73 RHAFR Frangula alnus Xf subsp. multiplex A
74 FRXAM Fraxinus americana Xf subsp. multiplex A
75 FRXAN Fraxinus angustifolia Xf subsp. multiplex A
76 FRXSS Fraxinus sp. Xf subsp. multiplex A
77 GAZRI Gazania rigens Xf subsp. multiplex A
78 GENCO Genista corsica Xf subsp. multiplex A
79 GENEP Genista ephedroides Xf subsp. multiplex A
80 GENSC Genista scorpius Xf subsp. multiplex A
81 GENSS Genista sp. Xf subsp. multiplex A
82 QEMTR Genista tridentata Xf subsp. multiplex A
83 CC279A Genista valdes‐bermejoi Xf subsp. multiplex A
84 GENSA Genista x spachiana Xf subsp. multiplex A
85 GIKBI Ginkgo biloba Xf subsp. multiplex A
86 GLITR Gleditsia triacanthos Xf subsp. multiplex A
87 GREJU Grevillea juniperina Xf subsp. multiplex A
88 HBEEL Hebe elliptica Xf subsp. multiplex A
89 HBESS Hebe sp. Xf subsp. multiplex A
90 HELAN Helianthus annuus Xf subsp. multiplex A
91 HELSS Helianthus sp. Xf subsp. multiplex A
92 HECIT Helichrysum italicum Xf subsp. multiplex A
93 HECSS Helichrysum sp. Xf subsp. multiplex A
94 HECST Helichrysum stoechas Xf subsp. multiplex A
95 HIBSY Hibiscus syriacus Xf subsp. multiplex A
96 HYPAN Hypericum androsaemum Xf subsp. multiplex A
97 HYPPE Hypericum perforatum Xf subsp. multiplex A
98 ILEAQ Ilex aquifolium Xf subsp. multiplex A
99 INUVI Dittrichia viscosa Xf subsp. multiplex A
100 IVAAN Iva annua Xf subsp. multiplex A
101 SENBI Jacobaea maritima Xf subsp. multiplex A
102 KOTBI Koelreuteria bipinnata Xf subsp. multiplex A
103 LAEIN Lagerstroemia indica Xf subsp. multiplex A
104 LAESS Lagerstroemia sp. Xf subsp. multiplex A
105 LURNO Laurus nobilis Xf subsp. multiplex A
106 LAVAN Lavandula angustifolia Xf subsp. multiplex A
107 LAVDE Lavandula dentata Xf subsp. multiplex A
108 LAVLA Lavandula latifolia Xf subsp. multiplex A
109 LAVSS Lavandula sp. Xf subsp. multiplex A
110 LAVST Lavandula stoechas Xf subsp. multiplex A
111 LAVHE Lavandula x heterophylla Xf subsp. multiplex A
112 LAVIN Lavandula x intermedia Xf subsp. multiplex A
113 LVACR Lavatera cretica Xf subsp. multiplex A
114 LIQST Liquidambar styraciflua Xf subsp. multiplex A
115 LONIM Lonicera implexa Xf subsp. multiplex A
116 LONJA Lonicera japonica Xf subsp. multiplex A
117 LUPAD Lupinus aridorum Xf subsp. multiplex A
118 LUPVI Lupinus villosus Xf subsp. multiplex A
119 MAGGR Magnolia grandiflora Xf subsp. multiplex A
120 MAGSO Magnolia x soulangeana Xf subsp. multiplex A
121 MEDAR Medicago arborea Xf subsp. multiplex A
122 MEDSA Medicago sativa Xf subsp. multiplex A
123 MTDEX Metrosideros excelsa Xf subsp. multiplex A
124 MTDSS Metrosideros sp. Xf subsp. multiplex A
125 MYMLA Myoporum laetum Xf subsp. multiplex A
126 MYMSS Myoporum sp. Xf subsp. multiplex A
127 MYVCO Myrtus communis Xf subsp. multiplex A
128 NEROL Nerium oleander Xf subsp. multiplex A
129 OLVEU Olea europaea Xf subsp. multiplex A
130 OLVES Olea europaea subsp. sylvestris Xf subsp. multiplex A
131 OLVSS Olea sp. Xf subsp. multiplex A
132 PELGV Pelargonium graveolens Xf subsp. multiplex A
133 PELSS Pelargonium sp. Xf subsp. multiplex A
134 PEKAB Perovskia abrotanoides Xf subsp. multiplex A
135 PGASA Phagnalon saxatile Xf subsp. multiplex A
136 PLRAN Phillyrea angustifolia Xf subsp. multiplex A
137 PLMFR Phlomis fruticosa Xf subsp. multiplex A
138 PLMIT Phlomis italica Xf subsp. multiplex A
139 PIAVE Pistacia vera Xf subsp. multiplex A
140 PLALA Plantago lanceolata Xf subsp. multiplex A
141 PLTOC Platanus occidentalis Xf subsp. multiplex A
142 PLTSS Platanus sp. Xf subsp. multiplex A
143 POGMY Polygala myrtifolia Xf subsp. multiplex A
144 CC207A Polygala x grandiflora nana Xf subsp. multiplex A
145 PRNAR Prunus armeniaca Xf subsp. multiplex A
146 PRNAV Prunus avium Xf subsp. multiplex A
147 PRNCF Prunus cerasifera Xf subsp. multiplex A
148 PRNCE Prunus cerasus Xf subsp. multiplex A
149 PRNDO Prunus domestica Xf subsp. multiplex A
150 PRNDU Prunus dulcis Xf subsp. multiplex A
151 PRNLR Prunus laurocerasus Xf subsp. multiplex A
152 PRNME Prunus mexicana Xf subsp. multiplex A
153 PRNPS Prunus persica Xf subsp. multiplex A
154 PRNSC Prunus salicina Xf subsp. multiplex A
155 PRNSS Prunus sp. Xf subsp. multiplex A
156 PTEAQ Pteridium aquilinum Xf subsp. multiplex A
157 QUECO Quercus coccinea Xf subsp. multiplex A
158 QUEFC Quercus falcata Xf subsp. multiplex A
159 QUEIL Quercus ilex Xf subsp. multiplex A
160 QUELA Quercus laevis Xf subsp. multiplex A
161 QUEMC Quercus macrocarpa Xf subsp. multiplex A
162 QUENI Quercus nigra Xf subsp. multiplex A
163 QUEPA Quercus palustris Xf subsp. multiplex A
164 QUEPH Quercus phellos Xf subsp. multiplex A
165 QUEPU Quercus pubescens Xf subsp. multiplex A
166 QUERO Quercus robur Xf subsp. multiplex A
167 QUERU Quercus rubra Xf subsp. multiplex A
168 QUESH Quercus shumardii Xf subsp. multiplex A
169 QUESS Quercus sp. Xf subsp. multiplex A
170 QUESU Quercus suber Xf subsp. multiplex A
171 RATCO Ratibida columnifera Xf subsp. multiplex A
172 LGOMO Retama monosperma Xf subsp. multiplex A
173 RHAAL Rhamnus alaternus Xf subsp. multiplex A
174 RHASS Rhamnus sp. Xf subsp. multiplex A
175 ROBPS Robinia pseudoacacia Xf subsp. multiplex A
176 ROSCN Rosa canina Xf subsp. multiplex A
177 ROSSS Rosa sp. Xf subsp. multiplex A
178 RUBSS Rubus sp. Xf subsp. multiplex A
179 RUBUL Rubus ulmifolius Xf subsp. multiplex A
180 RUAGR Ruta graveolens Xf subsp. multiplex A
181 SALMF Salvia mellifera Xf subsp. multiplex A
182 SALOF Salvia officinalis Xf subsp. multiplex A
183 RMSOF Salvia rosmarinus Xf subsp. multiplex A
184 SALSS Salvia sp. Xf subsp. multiplex A
185 SAMNI Sambucus nigra Xf subsp. multiplex A
186 SAMSS Sambucus sp. Xf subsp. multiplex A
187 SNTCH Santolina chamaecyparissus Xf subsp. multiplex A
188 SNTMA Santolina magonica Xf subsp. multiplex A
189 SNTSS Santolina sp. Xf subsp. multiplex A
190 SAKSA Sapindus saponaria Xf subsp. multiplex A
191 SXLAM Scabiosa atropurpurea var. maritima Xf subsp. multiplex A
192 SOOVI Solidago virgaurea Xf subsp. multiplex A
193 SPUJU Spartium junceum Xf subsp. multiplex A
194 SPUSS Spartium sp. Xf subsp. multiplex A
195 STZRE Strelitzia reginae Xf subsp. multiplex A
196 SYRVU Syringa vulgaris Xf subsp. multiplex A
197 ULEEU Ulex europaeus Xf subsp. multiplex A
198 ULEMI Ulex minor Xf subsp. multiplex A
199 ULEPA Ulex parviflorus Xf subsp. multiplex A
200 ULESS Ulex sp. Xf subsp. multiplex A
201 ULMAM Ulmus americana Xf subsp. multiplex A
202 ULMCR Ulmus crassifolia Xf subsp. multiplex A
203 ULMSS Ulmus sp. Xf subsp. multiplex A
204 VACAH Vaccinium ashei Xf subsp. multiplex A
205 VACCO Vaccinium corymbosum Xf subsp. multiplex A
206 VACSS Vaccinium sp. Xf subsp. multiplex A
207 VIBTI Viburnum tinus Xf subsp. multiplex A
208 VINMA Vinca major Xf subsp. multiplex A
209 VINSS Vinca sp. Xf subsp. multiplex A
210 VIXAC Vitex agnus‐castus Xf subsp. multiplex A
211 WESRO Westringia fruticosa Xf subsp. multiplex A
212 XANST Xanthium strumarium Xf subsp. multiplex A
213 ACRPL Acer platanoides Xf subsp. multiplex C
214 CCOSS Calicotome sp. Xf subsp. multiplex C
215 CSTIS Cistus x incanus Xf subsp. multiplex C
216 LIRTU Liriodendron tulipifera Xf subsp. multiplex C
217 POGSS Polygala sp. Xf subsp. multiplex C
218 CC206A Polygala x dalmaisiana Xf subsp. multiplex C
219 VITVI Vitis vinifera Xf subsp. multiplex C
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 ACASA Acacia saligna Xf subsp. pauca A
2 ACASS Acacia sp. Xf subsp. pauca A
3 AMARE Amaranthus retroflexus Xf subsp. pauca A
4 CC135A Periwinkle (common name) Xf subsp. pauca A
5 ASPAC Asparagus acutifolius Xf subsp. pauca A
6 CTURO Catharanthus roseus Xf subsp. pauca A
7 CHEAL Chenopodium album Xf subsp. pauca A
8 CSTAL Cistus albidus Xf subsp. pauca A
9 CSTIC Cistus creticus Xf subsp. pauca A
10 CIDSI Citrus sinensis Xf subsp. pauca A
11 CIDSS Citrus sp. Xf subsp. pauca A
12 COFAR Coffea arabica Xf subsp. pauca A
13 COFSS Coffea sp. Xf subsp. pauca A
14 OSPFR Dimorphotheca fruticosa Xf subsp. pauca A
15 DODVI Dodonaea viscosa Xf subsp. pauca A
16 ELGAN Elaeagnus angustifolia Xf subsp. pauca A
17 EMHMA Eremophila maculata Xf subsp. pauca A
18 ERIBO Erigeron bonariensis Xf subsp. pauca A
19 ERISS Erigeron sp. Xf subsp. pauca A
20 ERISU Erigeron sumatrensis Xf subsp. pauca A
21 EPHCH Euphorbia chamaesyce Xf subsp. pauca A
22 EPHTE Euphorbia terracina Xf subsp. pauca A
23 GENHS Genista hirsuta Xf subsp. pauca A
24 GREJU Grevillea juniperina Xf subsp. pauca A
25 HBESS Hebe sp. Xf subsp. pauca A
26 HEOEU Heliotropium europaeum Xf subsp. pauca A
27 HIBRS Hibiscus rosa‐sinensis Xf subsp. pauca A
28 HIBSS Hibiscus sp. Xf subsp. pauca A
29 LURNO Laurus nobilis Xf subsp. pauca A
30 LAVAN Lavandula angustifolia Xf subsp. pauca A
31 LAVDE Lavandula dentata Xf subsp. pauca A
32 LAVSS Lavandula sp. Xf subsp. pauca A
33 LAVST Lavandula stoechas Xf subsp. pauca A
34 MYMIN Myoporum insulare Xf subsp. pauca A
35 MYVCO Myrtus communis Xf subsp. pauca A
36 NEROL Nerium oleander Xf subsp. pauca A
37 OLVEU Olea europaea Xf subsp. pauca A
38 OLVES Olea europaea subsp. sylvestris Xf subsp. pauca A
39 PELFR Pelargonium fragrans Xf subsp. pauca A
40 PELSS Pelargonium sp. Xf subsp. pauca A
41 PLRLA Phillyrea latifolia Xf subsp. pauca A
42 PIAVE Pistacia vera Xf subsp. pauca A
43 POGMY Polygala myrtifolia Xf subsp. pauca A
45 PRNAV Prunus avium Xf subsp. pauca A
46 PRNDO Prunus domestica Xf subsp. pauca A
47 PRNDU Prunus dulcis Xf subsp. pauca A
49 PRNSS Prunus sp. Xf subsp. pauca A
51 RHAAL Rhamnus alaternus Xf subsp. pauca A
53 RMSOF Salvia rosmarinus Xf subsp. pauca A
54 SPUJU Spartium junceum Xf subsp. pauca A
55 THYVU Thymus vulgaris Xf subsp. pauca A
56 ULEPA Ulex parviflorus Xf subsp. pauca A
57 VINMI Vinca minor Xf subsp. pauca A
58 WESRO Westringia fruticosa Xf subsp. pauca A
59 WESGL Westringia glabra Xf subsp. pauca A
44 POGSS Polygala sp. Xf subsp. pauca C
48 PRNPS Prunus persica Xf subsp. pauca C
50 QUEIL Quercus ilex Xf subsp. pauca C
52 SALOF Salvia officinalis Xf subsp. pauca C
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 MORAL Morus alba Xf subsp. morus A
2 MORRU Morus rubra Xf subsp. morus A
3 MORSS Morus sp. Xf subsp. morus A
4 NANDO Nandina domestica Xf subsp. morus A
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 COFAR Coffea arabica Xf subsp. sandyi A
2 COFSS Coffea sp. Xf subsp. sandyi A
3 HEGSS Hemerocallis sp. Xf subsp. sandyi A
4 IACMI Jacaranda mimosifolia Xf subsp. sandyi A
5 MAGGR Magnolia grandiflora Xf subsp. sandyi A
6 NANDO Nandina domestica Xf subsp. sandyi A
7 NEROL Nerium oleander Xf subsp. sandyi A
8 POGMY Polygala myrtifolia Xf subsp. sandyi C
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 CXKTA Chitalpa tashkentensis Xf subsp. tashke A
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 COFAR Coffea arabica Xf subsp. fastidiosa/sandyi A
2 COFCA Coffea canephora Xf subsp. fastidiosa/sandyi A
N Plant EPPO code Plant Species Pest Category A Category B Category C Category D Category E
1 PYUPY Pyrus pyrifolia Xylella taiwanensis A

Appendix B – Host plant species artificially infected

List of host plant species, artificially infected, of X. fastidiosa subsp. unknown (i.e. not reported in the publication), subsp. fastidiosa, subsp. morus, subsp. multiplex, subsp. pauca, subsp. sandyi and subsp. tashke according to categories A, B, C, D, E (as reported in Section 2.4.2):

  1. Plant species positive with at least two detection methods (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  2. The same as point A, but also including microscopy: plant species positive with at least two detection methods (among microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  3. Plant species positive with at least one detection method (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  4. Plant species positive with at least one detection method including microscopy (microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  5. All positives plant species reported, regardless of the detection methods (positive records but without the detection method specified), symptom observations, microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing, pure culture isolation.

N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 ACRMA Acer macrophyllum Xf subsp. unknown A
2 ACRNE Acer negundo Xf subsp. unknown A
3 AECCA Aesculus californica Xf subsp. unknown A
4 ALURH Alnus rhombifolia Xf subsp. unknown A
5 AMBEL Ambrosia artemisiifolia Xf subsp. unknown A
6 AMBSS Ambrosia sp. Xf subsp. unknown A
7 CC135A Periwinkle (common name) Xf subsp. unknown A
8 ARBTH Arabidopsis thaliana Xf subsp. unknown A
9 ARTDO Artemisia douglasiana Xf subsp. unknown A
10 BACPI Baccharis pilularis Xf subsp. unknown A
11 BACSF Baccharis salicifolia Xf subsp. unknown A
12 BRSNI Brassica nigra Xf subsp. unknown A
13 CYAIL Carya illinoinensis Xf subsp. unknown A
14 CTURO Catharanthus roseus Xf subsp. unknown A
15 CIDAF Citrus aurantiifolia Xf subsp. unknown A
16 CIDCL Citrus clementina Xf subsp. unknown A
17 CC153A Citrus clementina x C. sinensis Xf subsp. unknown A
18 CIDJA Citrus jambhiri Xf subsp. unknown A
19 CIDRH Citrus reshni Xf subsp. unknown A
20 CIDRE Citrus reticulata Xf subsp. unknown A
21 CIDSI Citrus sinensis Xf subsp. unknown A
22 CIDSS Citrus sp. Xf subsp. unknown A
23 CIDRA Citrus sunki Xf subsp. unknown A
24 CIDUN Citrus unshiu Xf subsp. unknown A
25 CIDLO Citrus x limonia Xf subsp. unknown A
26 CIDNO Citrus x nobilis Xf subsp. unknown A
27 COFAR Coffea arabica Xf subsp. unknown A
28 COFSS Coffea sp. Xf subsp. unknown A
29 COIMA Conium maculatum Xf subsp. unknown A
30 CPMRE Coprosma repens Xf subsp. unknown A
31 CORSA Coriandrum sativum Xf subsp. unknown A
32 CYPER Cyperus eragrostis Xf subsp. unknown A
33 ECHCG Echinochloa crus‐galli Xf subsp. unknown A
34 FAGES Fagopyrum esculentum Xf subsp. unknown A
35 FRXLA Fraxinus latifolia Xf subsp. unknown A
36 CC181A Hakea petiolaris Xf subsp. unknown A
37 HEEHE Hedera helix Xf subsp. unknown A
38 LOUMA Lobularia maritima Xf subsp. unknown A
39 MEDSA Medicago sativa Xf subsp. unknown A
40 MORAL Morus alba Xf subsp. unknown A
41 MORSS Morus sp. Xf subsp. unknown A
42 NEROL Nerium oleander Xf subsp. unknown A
43 NIOBE Nicotiana benthamiana Xf subsp. unknown A
44 NIOTA Nicotiana tabacum Xf subsp. unknown A
45 PRTQU Parthenocissus quinquefolia Xf subsp. unknown A
46 PEBAM Persea americana Xf subsp. unknown A
47 PLTOC Platanus occidentalis Xf subsp. unknown A
48 POPFR Populus fremontii Xf subsp. unknown A
49 PRNCF Prunus cerasifera Xf subsp. unknown A
50 PRNDU Prunus dulcis Xf subsp. unknown A
51 PRNPS Prunus persica Xf subsp. unknown A
52 PRNSC Prunus salicina Xf subsp. unknown A
53 PRNSS Prunus sp. Xf subsp. unknown A
54 PYUPY Pyrus pyrifolia Xf subsp. unknown A
55 QUEAG Quercus agrifolia Xf subsp. unknown A
56 QUELO Quercus lobata Xf subsp. unknown A
57 QUERU Quercus rubra Xf subsp. unknown A
58 RHUDI Rhus diversiloba Xf subsp. unknown A
59 ROSCA Rosa californica Xf subsp. unknown A
60 RUBHP Rubus hedycarpus subsp. procerus Xf subsp. unknown A
61 RUBDI Rubus rigidus Xf subsp. unknown A
62 RUBUR Rubus ursinus Xf subsp. unknown A
63 SAXLG Salix laevigata Xf subsp. unknown A
64 SAXLL Salix lasiolepis Xf subsp. unknown A
65 SALAP Salvia apiana Xf subsp. unknown A
66 SALMF Salvia mellifera Xf subsp. unknown A
67 SAMCN Sambucus canadensis Xf subsp. unknown A
68 SAMSS Sambucus sp. Xf subsp. unknown A
69 SPUJU Spartium junceum Xf subsp. unknown A
70 SWAGA Swainsona galegifolia Xf subsp. unknown A
71 SYPAL Symphoricarpos albus Xf subsp. unknown A
72 TLNMO Teline monspessulana Xf subsp. unknown A
73 ULMAM Ulmus americana Xf subsp. unknown A
74 UMBCA Umbellularia californica Xf subsp. unknown A
75 URTDI Urtica dioica Xf subsp. unknown A
76 VACCO Vaccinium corymbosum Xf subsp. unknown A
77 VACSS Vaccinium sp. Xf subsp. unknown A
78 VICSA Vicia sativa Xf subsp. unknown A
79 VINMA Vinca major Xf subsp. unknown A
80 VINMI Vinca minor Xf subsp. unknown A
81 CC229A Vitis arizonica x V. rupestris Xf subsp. unknown A
82 CC233A Vitis arizonica/candicans x V. rupestris Xf subsp. unknown A
83 VITCL Vitis californica Xf subsp. unknown A
84 CC241A Vitis labrusca x V. vinifera Xf subsp. unknown A
85 VITRF Vitis rotundifolia Xf subsp. unknown A
86 CC244A Vitis rotundifolia x V. rupestris Xf subsp. unknown A
87 VITRU Vitis rupestris Xf subsp. unknown A
88 VITSS Vitis sp. Xf subsp. unknown A
89 VITVI Vitis vinifera Xf subsp. unknown A
90 MORRU Morus rubra Xf subsp. unknown B
91 PRNDO Prunus domestica Xf subsp. unknown B
92 CC232A Vitis arizonica/candicans Xf subsp. unknown B
93 CC249A Vitis aestivalis var. smalliana Xf subsp. unknown B
94 CC256A Vitis rufotomentosa Xf subsp. unknown B
95 FRSAC Ambrosia acanthicarpa Xf subsp. unknown C
96 AMBTT Ambrosia trifida var. texana Xf subsp. unknown C
97 AMSDO Amsinckia douglasiana Xf subsp. unknown C
98 BRORI Anisantha rigida Xf subsp. unknown C
99 AVEFA Avena fatua Xf subsp. unknown C
100 BRAPL Brachiaria plantaginea Xf subsp. unknown C
101 BROSS Bromus sp. Xf subsp. unknown C
102 CSPCH Callistephus chinensis Xf subsp. unknown C
103 CNNSS Canna sp. Xf subsp. unknown C
104 BROCA Ceratochloa cathartica Xf subsp. unknown C
105 CC154A Citrus deliciosa x C. sinensis Xf subsp. unknown C
106 CIDME Citrus medica Xf subsp. unknown C
107 CIDTG Citrus tangerina Xf subsp. unknown C
108 CIDRP Citrus x tangelo Xf subsp. unknown C
109 GODGR Clarkia amoena subsp. lindleyi Xf subsp. unknown C
110 CPMBA Coprosma baueri Xf subsp. unknown C
111 CTTRT Cotoneaster rotundifolius Xf subsp. unknown C
112 CYNDA Cynodon dactylon Xf subsp. unknown C
113 CYPES Cyperus esculentus Xf subsp. unknown C
114 SAOSC Cytisus scoparius Xf subsp. unknown C
115 DAUCS Daucus carota subsp. sativus Xf subsp. unknown C
116 DIGSA Digitaria sanguinalis Xf subsp. unknown C
117 CHEAM Dysphania ambrosioides Xf subsp. unknown C
118 EPIPC Epilobium brachycarpum Xf subsp. unknown C
119 EPICT Epilobium ciliatum Xf subsp. unknown C
120 ERADF Eragrostis diffusa Xf subsp. unknown C
121 EROCI Erodium cicutarium Xf subsp. unknown C
122 POLCO Fallopia convolvulus Xf subsp. unknown C
123 GREAL Grevillea alpina Xf subsp. unknown C
124 HELAN Helianthus annuus Xf subsp. unknown C
125 HORMU Hordeum murinum Xf subsp. unknown C
126 HORVX Hordeum vulgare Xf subsp. unknown C
127 IVAAN Iva annua Xf subsp. unknown C
128 LACSE Lactuca serriola Xf subsp. unknown C
129 LTHCI Lathyrus cicera Xf subsp. unknown C
130 LTHCL Lathyrus clymenum Xf subsp. unknown C
131 LTHSA Lathyrus sativus Xf subsp. unknown C
132 LEKLA Leptospermum laevigatum Xf subsp. unknown C
133 LOLMU Lolium multiflorum Xf subsp. unknown C
134 LOLTE Lolium temulentum Xf subsp. unknown C
135 LONJA Lonicera japonica Xf subsp. unknown C
136 MEUAL Melilotus albus Xf subsp. unknown C
137 MEUAA Melilotus albus var. annuus Xf subsp. unknown C
138 MEUIN Melilotus indicus Xf subsp. unknown C
139 MEUOF Melilotus officinalis Xf subsp. unknown C
140 MENSS Mentha sp. Xf subsp. unknown C
141 OENSA Oenanthe sarmentosa Xf subsp. unknown C
142 OEOEL Oenothera elata Xf subsp. unknown C
143 OLVEU Olea europaea Xf subsp. unknown C
144 PRTTR Parthenocissus tricuspidata Xf subsp. unknown C
145 PASDI Paspalum dilatatum Xf subsp. unknown C
146 PELZO Pelargonium x hortorum Xf subsp. unknown C
147 PESCL Pennisetum clandestinum Xf subsp. unknown C
148 PESGL Pennisetum glaucum Xf subsp. unknown C
149 POLPE Persicaria maculosa Xf subsp. unknown C
150 PHAMI Phalaris minor Xf subsp. unknown C
151 PHAPA Phalaris paradoxa Xf subsp. unknown C
152 PHLPR Phleum pratense Xf subsp. unknown C
153 PHNAR Photinia arbutifolia Xf subsp. unknown C
154 PTUCR Pittosporum crassifolium Xf subsp. unknown C
155 PLTSS Platanus sp. Xf subsp. unknown C
156 POAAN Poa annua Xf subsp. unknown C
157 PMITR Poncirus trifoliata Xf subsp. unknown C
158 RESOD Reseda odorata Xf subsp. unknown C
159 RHERP Rheum rhaponticum Xf subsp. unknown C
160 RUBVI Rubus vitifolius Xf subsp. unknown C
161 RUMCR Rumex crispus Xf subsp. unknown C
162 SAMGL Sambucus cerulea Xf subsp. unknown C
163 SONAS Sonchus asper Xf subsp. unknown C
164 SORHA Sorghum halepense Xf subsp. unknown C
165 SORSU Sorghum x drummondii Xf subsp. unknown C
166 SYRVU Syringa vulgaris Xf subsp. unknown C
167 SYZPA Syzygium paniculatum Xf subsp. unknown C
168 TRFFR Trifolium fragiferum Xf subsp. unknown C
169 TRFHY Trifolium hybridum Xf subsp. unknown C
170 TRFIN Trifolium incarnatum Xf subsp. unknown C
171 TRFPR Trifolium pratense Xf subsp. unknown C
172 TRFRE Trifolium repens Xf subsp. unknown C
173 CC260A Trifolium repens var. latum Xf subsp. unknown C
174 URTLY Urtica dioica subsp. gracilis Xf subsp. unknown C
175 VICMO Vicia monantha Xf subsp. unknown C
176 VITAC Vitis acerifolia Xf subsp. unknown C
177 VITAE Vitis aestivalis Xf subsp. unknown C
178 VITAZ Vitis arizonica Xf subsp. unknown C
179 CC271A Vitis arizonica hybrid Xf subsp. unknown C
180 CC234A Vitis arizonica/girdiana Xf subsp. unknown C
181 CC235A Vitis arizonica/girdiana x V. rupestris Xf subsp. unknown C
182 VITBE Vitis berlandieri Xf subsp. unknown C
183 VITCA Vitis candicans Xf subsp. unknown C
184 VITCI Vitis cinerea Xf subsp. unknown C
185 CC239A Vitis cinerea x V. berlandieri Xf subsp. unknown C
186 VITGI Vitis girdiana Xf subsp. unknown C
187 VITLA Vitis labrusca Xf subsp. unknown C
188 VITLI Vitis lincecumii Xf subsp. unknown C
189 VITMO Vitis monticola Xf subsp. unknown C
190 VITMU Vitis munsoniana Xf subsp. unknown C
191 VITPA Vitis palmata Xf subsp. unknown C
192 VITRI Vitis riparia Xf subsp. unknown C
193 VITCN Vitis simpsonii Xf subsp. unknown C
194 VITTI Vitis tiliaefolia Xf subsp. unknown C
195 VITVU Vitis vulpina Xf subsp. unknown C
196 VITCH Vitis x champinii Xf subsp. unknown C
197 CC252A Vitis aestivalis var. smalliana x V. simpsonii Xf subsp. unknown C
198 VITBL Vitis bloodwothiana Xf subsp. unknown C
199 VITNE Vitis nesbittiana Xf subsp. unknown C
200 CC257A Vitis shuttleworthii Xf subsp. unknown C
201 VLPMY Vulpia myuros Xf subsp. unknown C
202 XANOR Xanthium orientale Xf subsp. unknown C
203 CC138A (Prunus salicina x P. angustifolia) x (P. salicina x P. munsoniana) Xf subsp. unknown D
204 PRNAN Prunus angustifolia Xf subsp. unknown D
205 PRNAV Prunus avium Xf subsp. unknown D
206 CC210A Prunus cerasifera x P. salicina Xf subsp. unknown D
207 CC213A Prunus salicina x (P. salicina x P. cerasifera) Xf subsp. unknown D
208 CC231A Vitis arizonica x V. vinifera Xf subsp. unknown D
209 CHEQU Chenopodium quinoa Xf subsp. unknown E
210 CJCWE Citroncirus webberi Xf subsp. unknown E
211 CIDMA Citrus macrophylla Xf subsp. unknown E
212 NIOCL Nicotiana clevelandii Xf subsp. unknown E
213 PRNAR Prunus armeniaca Xf subsp. unknown E
214 PRNHO Prunus hortulana Xf subsp. unknown E
215 PRNME Prunus mexicana Xf subsp. unknown E
216 PRNMM Prunus mume Xf subsp. unknown E
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 AMABL Amaranthus blitoides Xf subsp. fastidiosa A
2 FRSAC Ambrosia acanthicarpa Xf subsp. fastidiosa A
3 AMBEL Ambrosia artemisiifolia Xf subsp. fastidiosa A
4 CTURO Catharanthus roseus Xf subsp. fastidiosa A
5 CHEQU Chenopodium quinoa Xf subsp. fastidiosa A
6 COIMA Conium maculatum Xf subsp. fastidiosa A
7 CONAR Convolvulus arvensis Xf subsp. fastidiosa A
8 CYPES Cyperus esculentus Xf subsp. fastidiosa A
9 DATWR Datura wrightii Xf subsp. fastidiosa A
10 ECHCG Echinochloa crus‐galli Xf subsp. fastidiosa A
11 ERICA Erigeron canadensis Xf subsp. fastidiosa A
12 ERBGR Eriochloa gracilis Xf subsp. fastidiosa A
13 EROMO Erodium moschatum Xf subsp. fastidiosa A
14 EUCCM Eucalyptus camaldulensis Xf subsp. fastidiosa A
15 EUCGL Eucalyptus globulus Xf subsp. fastidiosa A
16 HELAN Helianthus annuus Xf subsp. fastidiosa A
17 PHBPU Ipomoea purpurea Xf subsp. fastidiosa A
18 LACSE Lactuca serriola Xf subsp. fastidiosa A
19 MALPA Malva parviflora Xf subsp. fastidiosa A
20 MEDSA Medicago sativa Xf subsp. fastidiosa A
21 NIOGL Nicotiana glauca Xf subsp. fastidiosa A
22 NIOTA Nicotiana tabacum Xf subsp. fastidiosa A
23 POROL Portulaca oleracea Xf subsp. fastidiosa A
24 PRNDU Prunus dulcis Xf subsp. fastidiosa A
25 PRNSS Prunus sp. Xf subsp. fastidiosa A
26 RUBUR Rubus ursinus Xf subsp. fastidiosa A
27 RUMCR Rumex crispus Xf subsp. fastidiosa A
28 SMMCH Simmondsia chinensis Xf subsp. fastidiosa A
29 LYPES Solanum lycopersicum Xf subsp. fastidiosa A
30 SOLME Solanum melongena Xf subsp. fastidiosa A
31 SONOL Sonchus oleraceus Xf subsp. fastidiosa A
32 SORHA Sorghum halepense Xf subsp. fastidiosa A
33 VACCO Vaccinium corymbosum Xf subsp. fastidiosa A
34 VACSS Vaccinium sp. Xf subsp. fastidiosa A
35 VICFX Vicia faba Xf subsp. fastidiosa A
36 VICSA Vicia sativa Xf subsp. fastidiosa A
37 VITSS Vitis sp. Xf subsp. fastidiosa A
38 VITVI Vitis vinifera Xf subsp. fastidiosa A
39 CC247A Vitis vinifera hybrid Xf subsp. fastidiosa A
40 XANST Xanthium strumarium Xf subsp. fastidiosa A
41 ARBTH Arabidopsis thaliana Xf subsp. fastidiosa B
42 CHYHO Dendranthema x grandiflorum Xf subsp. fastidiosa C
43 LURNO Laurus nobilis Xf subsp. fastidiosa C
44 MYVCO Myrtus communis Xf subsp. fastidiosa C
45 OLVEU Olea europaea Xf subsp. fastidiosa C
46 POGMY Polygala myrtifolia Xf subsp. fastidiosa C
47 PRNAR Prunus armeniaca Xf subsp. fastidiosa C
48 PRNDO Prunus domestica Xf subsp. fastidiosa C
49 CC211A Prunus dulcis x P. webbii Xf subsp. fastidiosa C
50 PRNPS Prunus persica Xf subsp. fastidiosa C
51 CC212A Prunus persica x P. webbii Xf subsp. fastidiosa C
52 PRNWE Prunus webbii Xf subsp. fastidiosa C
53 PYUCO Pyrus communis Xf subsp. fastidiosa C
54 QUEPE Quercus petraea Xf subsp. fastidiosa C
55 RUBDI Rubus rigidus Xf subsp. fastidiosa C
56 SAXAL Salix alba Xf subsp. fastidiosa C
57 SAMCN Sambucus canadensis Xf subsp. fastidiosa C
58 VINMA Vinca major Xf subsp. fastidiosa C
59 VITAC Vitis acerifolia Xf subsp. fastidiosa C
60 VITAE Vitis aestivalis Xf subsp. fastidiosa C
61 VITAZ Vitis arizonica Xf subsp. fastidiosa C
62 CC232A Vitis arizonica/candicans Xf subsp. fastidiosa C
63 VITBE Vitis berlandieri Xf subsp. fastidiosa C
64 VITCL Vitis californica Xf subsp. fastidiosa C
65 VITCA Vitis candicans Xf subsp. fastidiosa C
66 CC237A Vitis champinii x (V. solonis x V. othello) Xf subsp. fastidiosa C
67 VITCI Vitis cinerea Xf subsp. fastidiosa C
68 VITGI Vitis girdiana Xf subsp. fastidiosa C
69 VITLA Vitis labrusca Xf subsp. fastidiosa C
70 VITMO Vitis monticola Xf subsp. fastidiosa C
71 VITRI Vitis riparia Xf subsp. fastidiosa C
72 VITRU Vitis rupestris Xf subsp. fastidiosa C
73 VITTI Vitis tiliaefolia Xf subsp. fastidiosa C
74 VITTL Vitis treleasei Xf subsp. fastidiosa C
75 VITVU Vitis vulpina Xf subsp. fastidiosa C
76 CC277A Vitis × doaniana Xf subsp. fastidiosa C
77 VITNE Vitis nesbittiana Xf subsp. fastidiosa C
78 CC257A Vitis shuttleworthii Xf subsp. fastidiosa C
79 LIQST Liquidambar styraciflua Xf subsp. fastidiosa E
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 ACRRB Acer rubrum Xf subsp. multiplex A
2 AMBEL Ambrosia artemisiifolia Xf subsp. multiplex A
3 CYAIL Carya illinoinensis Xf subsp. multiplex A
4 LIQST Liquidambar styraciflua Xf subsp. multiplex A
5 MEDSA Medicago sativa Xf subsp. multiplex A
6 NIOTA Nicotiana tabacum Xf subsp. multiplex A
7 OLVEU Olea europaea Xf subsp. multiplex A
8 PIAVE Pistacia vera Xf subsp. multiplex A
9 PLTOC Platanus occidentalis Xf subsp. multiplex A
10 POGMY Polygala myrtifolia Xf subsp. multiplex A
11 PRNCF Prunus cerasifera Xf subsp. multiplex A
12 PRNDU Prunus dulcis Xf subsp. multiplex A
13 PRNPS Prunus persica Xf subsp. multiplex A
14 PRNSS Prunus sp. Xf subsp. multiplex A
15 QUEFC Quercus falcata Xf subsp. multiplex A
16 RUBFR Rubus fruticosus Xf subsp. multiplex A
17 RUBUR Rubus ursinus Xf subsp. multiplex A
18 VACCO Vaccinium corymbosum Xf subsp. multiplex A
19 VITVI Vitis vinifera Xf subsp. multiplex A
20 BIDPI Bidens pilosa Xf subsp. multiplex C
21 CTURO Catharanthus roseus Xf subsp. multiplex C
22 LEPRU Lepidium ruderale Xf subsp. multiplex C
23 MABSD Malus domestica Xf subsp. multiplex C
24 NEROL Nerium oleander Xf subsp. multiplex C
25 PRNAR Prunus armeniaca Xf subsp. multiplex C
26 PRNAV Prunus avium Xf subsp. multiplex C
27 PRNDO Prunus domestica Xf subsp. multiplex C
28 CC212A Prunus persica x P. webbii Xf subsp. multiplex C
29 PRNSC Prunus salicina Xf subsp. multiplex C
30 PRNWE Prunus webbii Xf subsp. multiplex C
31 PYUCO Pyrus communis Xf subsp. multiplex C
32 QUEPE Quercus petraea Xf subsp. multiplex C
33 RAPSR Raphanus sativus Xf subsp. multiplex C
34 SAXAL Salix alba Xf subsp. multiplex C
35 SOLAM Solanum americanum Xf subsp. multiplex C
36 VACSS Vaccinium sp. Xf subsp. multiplex E
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 BIDPI Bidens pilosa Xf subsp. pauca A
2 BRADC Brachiaria decumbens Xf subsp. pauca A
3 BRAPL Brachiaria plantaginea Xf subsp. pauca A
4 CTURO Catharanthus roseus Xf subsp. pauca A
5 CIDRE Citrus reticulata Xf subsp. pauca A
6 CIDSI Citrus sinensis Xf subsp. pauca A
7 CIDSS Citrus sp. Xf subsp. pauca A
8 CIDNO Citrus x nobilis Xf subsp. pauca A
9 COFAR Coffea arabica Xf subsp. pauca A
10 COFSS Coffea sp. Xf subsp. pauca A
11 ECHCG Echinochloa crus‐galli Xf subsp. pauca A
12 IASAZ Jasminum azoricum Xf subsp. pauca A
13 MEDSA Medicago sativa Xf subsp. pauca A
14 NEROL Nerium oleander Xf subsp. pauca A
15 NIOCL Nicotiana clevelandii Xf subsp. pauca A
16 NIOTA Nicotiana tabacum Xf subsp. pauca A
17 OCIBA Ocimum basilicum Xf subsp. pauca A
18 OLVEU Olea europaea Xf subsp. pauca A
19 POGMY Polygala myrtifolia Xf subsp. pauca A
20 SOLAM Solanum americanum Xf subsp. pauca A
21 ARBTH Arabidopsis thaliana Xf subsp. pauca B
22 CC135A Periwinkle (common name) Xf subsp. pauca C
23 CHEAL Chenopodium album Xf subsp. pauca C
24 DIGHO Digitaria horizontalis Xf subsp. pauca C
25 MABSD Malus domestica Xf subsp. pauca C
26 PRNAV Prunus avium Xf subsp. pauca C
27 PRNDO Prunus domestica Xf subsp. pauca C
28 PRNDU Prunus dulcis Xf subsp. pauca C
29 PYUCO Pyrus communis Xf subsp. pauca C
30 QUEPE Quercus petraea Xf subsp. pauca C
31 SAXAL Salix alba Xf subsp. pauca C
32 RMSOF Salvia rosmarinus Xf subsp. pauca C
33 VITVI Vitis vinifera Xf subsp. pauca C
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 MORAL Morus alba Xf subsp. morus A
2 NEROL Nerium oleander Xf subsp. morus A
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 CTURO Catharanthus roseus Xf subsp. sandyi A
2 MEDSA Medicago sativa Xf subsp. sandyi A
3 NEROL Nerium oleander Xf subsp. sandyi A
4 PRNDU Prunus dulcis Xf subsp. sandyi A
5 VINMA Vinca major Xf subsp. sandyi A
6 COFAR Coffea arabica Xf subsp. sandyi C
7 MABSD Malus domestica Xf subsp. sandyi C
8 NIOTA Nicotiana tabacum Xf subsp. sandyi C
9 OLVEU Olea europaea Xf subsp. sandyi C
10 PYUCO Pyrus communis Xf subsp. sandyi C
11 VITVI Vitis vinifera Xf subsp. sandyi C
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 NIOBE Nicotiana benthamiana Xf subsp. tashke C

Appendix C – Host plant species infected in unspecified conditions

List of host plant species, infected in conditions not specified (i.e. the kind of infection (natural or artificial) was not specified in the reference), of X. fastidiosa subsp. unknown (i.e. not reported in the publication), subsp. fastidiosa, subsp. multiplex, subsp. pauca and subsp. sandyi according to categories A, B, C, D, E (as reported in Section 2.4.2):

  1. Plant species positive with at least two detection methods (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  2. The same as point A, but also including microscopy: plant species positive with at least two detection methods (among microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation) or positive with one method (between sequencing and pure culture isolation).

  3. Plant species positive with at least one detection method (among symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  4. Plant species positive with at least one detection method including microscopy (microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing and pure culture isolation).

  5. All positives plant species reported, regardless of the detection methods (positive records but without the detection method specified, symptom observations, microscopy, symptoms observation on the test plant in experimental vector transmission, ELISA, other immunological techniques, PCR‐based methods, sequencing, pure culture isolation).

N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 AMCAR Ampelopsis arborea Xf subsp. unknown A
2 CTURO Catharanthus roseus Xf subsp. unknown A
3 CTUSS Catharanthus sp. Xf subsp. unknown A
4 CIDJA Citrus jambhiri Xf subsp. unknown A
5 CIDSI Citrus sinensis Xf subsp. unknown A
6 COFAR Coffea arabica Xf subsp. unknown A
7 HIBSH Hibiscus schizopetalus Xf subsp. unknown A
8 MORNI Morus nigra Xf subsp. unknown A
9 NEROL Nerium oleander Xf subsp. unknown A
10 PRNPS Prunus persica Xf subsp. unknown A
11 PRNSS Prunus sp. Xf subsp. unknown A
12 SAMCN Sambucus canadensis Xf subsp. unknown A
13 VITMU Vitis munsoniana Xf subsp. unknown A
14 VITRF Vitis rotundifolia Xf subsp. unknown A
15 VITSS Vitis sp. Xf subsp. unknown A
16 VITVI Vitis vinifera Xf subsp. unknown A
17 AMBSS Ambrosia sp. Xf subsp. unknown B
18 CC135A Periwinkle (common name) Xf subsp. unknown B
19 ACRSS Acer sp. Xf subsp. unknown C
20 CYAIL Carya illinoinensis Xf subsp. unknown C
21 CIDSS Citrus sp. Xf subsp. unknown C
22 PRNDU Prunus dulcis Xf subsp. unknown C
23 PRNSC Prunus salicina Xf subsp. unknown C
24 PYUSS Pyrus sp. Xf subsp. unknown C
25 TLNMO Teline monspessulana Xf subsp. unknown C
26 VACDA Vaccinium darrowii Xf subsp. unknown C
27 VACSS Vaccinium sp. Xf subsp. unknown C
28 PRNAN Prunus angustifolia Xf subsp. unknown D
29 VITLA Vitis labrusca Xf subsp. unknown D
30 MORSS Morus sp. Xf subsp. unknown E
31 NIOTA Nicotiana tabacum Xf subsp. unknown E
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 AMBEL Ambrosia artemisiifolia Xf subsp. fastidiosa A
2 LUPSS Lupinus sp. Xf subsp. fastidiosa A
3 PRNDU Prunus dulcis Xf subsp. fastidiosa A
4 SAMSS Sambucus sp. Xf subsp. fastidiosa A
5 VITRF Vitis rotundifolia Xf subsp. fastidiosa A
6 VITSS Vitis sp. Xf subsp. fastidiosa A
7 VITVI Vitis vinifera Xf subsp. fastidiosa A
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 AMBTR Ambrosia trifida Xf subsp. multiplex A
2 MORSS Morus sp. Xf subsp. multiplex A
3 PLTSS Platanus sp. Xf subsp. multiplex A
4 PRNCF Prunus cerasifera Xf subsp. multiplex A
5 PRNDO Prunus domestica Xf subsp. multiplex A
6 PRNDU Prunus dulcis Xf subsp. multiplex A
7 PRNSC Prunus salicina Xf subsp. multiplex A
8 QUESS Quercus sp. Xf subsp. multiplex A
9 RUBFR Rubus fruticosus Xf subsp. multiplex A
10 RUBSS Rubus sp. Xf subsp. multiplex A
11 VACCO Vaccinium corymbosum Xf subsp. multiplex A
12 CC225A Vaccinium corymbosum x V. angustifolium hybrid Xf subsp. multiplex A
13 VINSS Vinca sp. Xf subsp. multiplex A
14 LIQST Liquidambar styraciflua Xf subsp. multiplex C
15 QUELA Quercus laevis Xf subsp. multiplex C
16 QUERU Quercus rubra Xf subsp. multiplex C
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 CIDSI Citrus sinensis Xf subsp. pauca A
2 CIDSS Citrus sp. Xf subsp. pauca A
3 COFSS Coffea sp. Xf subsp. pauca A
4 HIBFR Hibiscus fragilis Xf subsp. pauca A
5 HIBSS Hibiscus sp. Xf subsp. pauca A
6 NEROL Nerium oleander Xf subsp. pauca A
7 PRNDO Prunus domestica Xf subsp. pauca A
8 PRNSS Prunus sp. Xf subsp. pauca A
N Plant EPPO Code Plant Species Pest Category A Category B Category C Category D Category E
1 COFAR Coffea arabica Xf subsp. sandyi A
2 NEROL Nerium oleander Xf subsp. sandyi C

Appendix D – Xylella fastidiosa multilocus sequence types

Number of records for each plant species natural, artificial and infected in not specified conditions by different multilocus sequence types (STs). The records for natural infection are divided per country. In general, the subspecies and the STs are reported as in the publication. If the subspecies and/or the STs are inferred from another publication or obtained from personal communication of the author of the publication, a note is added in the genotyping comment column of the Excel file available in Zenodo in the EFSA Knowledge Junction community (doi: 10.5281/zenodo.1339343). Abbreviations: AR (Argentina), BR (Brazil), CR (Costa Rica), EC (Ecuador), FR (France), HN (Honduras), IT (Italy), MX (Mexico), PT (Portugal), ES (Spain), US (United States of America).

X. fastidiosa subspecies/sequence type Natural Artificial infection Infection not specified Grand Total
AR BR CR EC FR HN IT MX PT ES US Unknown Total Total Total
fastidiosa 22 20 5 79 134 260 179 9 448
ST1 18 79 104 201 173 2 376
Acer sp. 1 1 1
Amaranthus blitoides 1 1
Ambrosia acanthicarpa 2 2
Calicotome spinosa 4 4 4
Catharanthus roseus 2 2
Cercis occidentalis 1 1 1
Chenopodium quinoa 2 2
Cistus monspeliensis 2 2 2
Citrus sinensis 1 1 1
Conium maculatum 2 2
Convolvulus arvensis 1 1
Cyperus esculentus 1 1
Datura wrightii 1 1
Echinochloa crus‐galli 1 1
Erigeron canadensis 1 1
Eriochloa gracilis 1 1
Erodium moschatum 2 2
Eucalyptus camaldulensis 2 2
Eucalyptus globulus 1 1
Ficus carica 1 1 1
Genista lucida 3 3 3
Helianthus annuus 3 3
Ipomoea purpurea 2 2
Juglans regia 4 4 4
Lactuca serriola 3 3
Malva parviflora 2 2
Medicago sativa 3 3 11 14
Metrosideros sp. 1 1 1
Nicotiana glauca 2 2
Nicotiana tabacum 1 1
Olea europaea 1 1
Pluchea odorata 1 1 1
Polygala myrtifolia 3 3 1 4
Portulaca oleracea 1 1
Prunus avium 11 2 13 13
Prunus domestica 1 1
Prunus dulcis 19 23 42 39 1 82
Rhamnus alaternus 6 6 6
Rubus ursinus 2 2
Rumex crispus 1 1
Ruta chalepensis 3 3 3
Sambucus canadensis 2 2 2
Sambucus sp. 1 1 1
Simmondsia chinensis 2 2
Solanum lycopersicum 1 1
Solanum melongena 1 1
Sonchus oleraceus 1 1
Sorghum halepense 1 1
Spartium junceum 1 1 1
Teucrium capitatum 3 3 3
Vaccinium corymbosum 2 2 2 4
Vaccinium sp. 5 5
Vicia faba 1 1
Vicia sativa 1 1
Vitis aestivalis 2 2 2
Vitis girdiana 1 1 1
Vitis sp. 2 31 33 1 34
Vitis vinifera 16 20 31 67 56 123
Vitis vinifera hybrid 9 9
Xanthium strumarium 3 3
ST2 5 24 29 5 7 41
Ambrosia artemisiifolia 2 2 1 3
Citrus limon 1 1 1
Citrus paradisi 1 1 1
Coffea sp. 1 1 1
Elaeagnus angustifolia 1 1 1
Myrtus communis 1 1 1
Polygala myrtifolia 1 1
Prunus domestica 1 1
Quercus petraea 1 1
Salix alba 1 1
Ulex europaeus 1 1 1
Vitis hybrids 2 2 2
Vitis rotundifolia 6 6 1 7
Vitis sp. 5 5 5
Vitis vinifera 8 8 1 5 14
ST3 1 1 1
Lupinus aridorum 1 1 1
ST4 5 5 1 6
Medicago sativa 1 1
Vitis sp. 4 4 4
Vitis vinifera 1 1 1
ST17 1 1 1
Coffea arabica 1 1 1
ST18 1 1 1
Vitis sp. 1 1 1
ST19 1 1 1
Coffea arabica 1 1 1
ST20 1 1 1
Coffea arabica 1 1 1
ST21 1 1 1
Coffea arabica 1 1 1
ST33 1 1 1
Coffea arabica 1 1 1
ST47 2 2 2
Coffea arabica 1 1 1
Vitis sp. 1 1 1
ST52 1 1 1
Coffea arabica 1 1 1
ST54 1 1 1
Coffea arabica 1 1 1
ST55 1 1 1
Coffea arabica 1 1 1
ST56 1 1 1
Coffea arabica 1 1 1
ST57 1 1 1
Coffea arabica 1 1 1
ST59 1 1 1
Vitis vinifera 1 1 1
ST60 1 1 1
Vitis vinifera 1 1 1
ST61 3 3 3
Citrus sinensis 1 1 1
Coffea arabica 2 2 2
ST72 1 1 1
Coffea arabica 1 1 1
ST75 2 2 2
Coffea canephora 2 2 2
ST76 2 2 2
Coffea arabica 2 2 2
ST77 1 1 1
Coffea arabica 1 1 1
fastidiosa/sandyi 3 1 4 4
ST72 2 2 2
Coffea arabica 2 2 2
ST75 1 1 1
Coffea canephora 1 1 1
ST76 1 1 1
Coffea arabica 1 1 1
morus 25 25 25
ST29 10 10 10
Morus alba 4 4 4
Morus rubra 4 4 4
Morus sp. 2 2 2
ST30 5 5 5
Morus alba 4 4 4
Nandina domestica 1 1 1
ST31 6 6 6
Morus sp. 6 6 6
ST62 4 4 4
Morus alba 4 4 4
multiplex 5 111 91 101 235 217 760 125 16 901
ST6 16 128 16 160 53 1 214
Acacia saligna 4 4 4
Asparagus acutifolius 1 1 1
Calicotome spinosa 5 5 5
Catharanthus roseus 1 1
Cistus albidus 4 4 4
Cistus monspeliensis 2 2 2
Cistus salviifolius 2 2 2
Genista scorpius 1 1 1
Helichrysum italicum 10 10 10
Helichrysum stoechas 4 4 4
Laurus nobilis 1 3 4 4
Lavandula angustifolia 2 2 2
Lavandula dentata 3 3 3
Lavandula latifolia 2 2 2
Lavandula x intermedia 1 1 1
Medicago sativa 4 4
Nicotiana tabacum 1 1
Olea europaea 2 3 5 31 36
Phagnalon saxatile 4 4 4
Polygala myrtifolia 2 6 8 1 9
Prunus armeniaca 5 5 5
Prunus cerasifera 1 1
Prunus domestica 5 5 5
Prunus dulcis 48 13 61 9 1 71
Quercus petraea 1 1
Rhamnus alaternus 6 6 6
Rubus ursinus 1 1
Salix alba 1 1
Salvia rosmarinus 6 6 6
Santolina chamaecyparissus 1 1 1
Spartium junceum 11 11 11
Spartium sp. 1 1 1
Ulex parviflorus 2 2 2
Vitis vinifera 2 2
ST6 and ST7 1 1 1
Cistus monspeliensis 1 1 1
ST6 and/or ST7 76 76 76
Acacia dealbata 1 1 1
Acer pseudoplatanus 2 2 2
Anthyllis hermanniae 1 1 1
Artemisia arborescens 2 2 2
Asparagus acutifolius 2 2 2
Calicotome villosa 1 1 1
Cercis siliquastrum 1 1 1
Cistus creticus 1 1 1
Cistus monspeliensis 2 2 2
Cistus salviifolius 2 2 2
Coronilla valentina 2 2 2
Cytisus scoparius 1 1 1
Cytisus sp. 2 2 2
Cytisus villosus 1 1 1
Euryops chrysanthemoides 1 1 1
Genista corsica 1 1 1
Genista ephedroides 2 2 2
Genista x spachiana 2 2 2
Hebe sp. 2 2 2
Helichrysum italicum 3 3 3
Lavandula angustifolia 2 2 2
Lavandula dentata 2 2 2
Lavandula sp. 3 3 3
Lavandula stoechas 2 2 2
Lavandula x heterophylla 2 2 2
Lavandula x intermedia 3 3 3
Medicago sativa 1 1 1
Metrosideros excelsa 2 2 2
Myrtus communis 2 2 2
Pelargonium graveolens 2 2 2
Pelargonium sp. 2 2 2
Phagnalon saxatile 1 1 1
Polygala myrtifolia 7 7 7
Polygala sp. 1 1 1
Prunus cerasifera 2 2 2
Prunus dulcis 1 1 1
Quercus suber 2 2 2
Rosa canina 1 1 1
Salvia rosmarinus 2 2 2
Spartium junceum 3 3 3
Westringia fruticosa 1 1 1
ST7 8 101 8 25 142 23 165
Acacia longifolia 2 2 2
Acacia melanoxylon 1 1 1
Adenocarpus lainzii 2 2 2
Artemisia arborescens 2 2 2
Artemisia sp. 2 2 2
Asparagus acutifolius 1 1 1
Athyrium filix‐femina 1 1 1
Berberis thunbergii 1 1 1
Calluna vulgaris 1 1 1
Catharanthus roseus 1 1
Cistus inflatus 2 2 2
Cistus salviifolius 1 1 1
Coprosma repens 3 3 3
Cytisus scoparius 3 3 3
Dimorphotheca ecklonis 1 1 1
Dodonaea viscosa 2 2 2
Echium plantagineum 1 1 1
Elaeagnus x submacrophylla 1 1 1
Erica cinerea 1 1 1
Erigeron canadensis 1 1 1
Erodium moschatum 1 1 1
Euryops chrysanthemoides 1 1 1
Frangula alnus 1 1 1
Gazania rigens 2 2 2
Genista corsica 1 1 1
Genista tridentata 1 1 1
Hebe sp. 3 3 3
Hibiscus syriacus 1 1 1
Hypericum androsaemum 1 1 1
Hypericum perforatum 1 1 1
Ilex aquifolium 2 2 2
Laurus nobilis 1 1 1
Lavandula angustifolia 2 2 2
Lavandula dentata 6 6 6
Lavandula sp. 1 1 1
Lavandula stoechas 1 1 1
Lavatera cretica 1 1 1
Magnolia grandiflora 3 3 3
Magnolia x soulangeana 1 1 1
Medicago sativa 2 2 2 4
Metrosideros excelsa 2 2 2
Metrosideros sp. 1 1 1
Myrtus communis 2 2 2
Nerium oleander 1 1 2 1 3
Nicotiana tabacum 1 1
Olea europaea 1 7 8 4 12
Olea sp. 1 1 1
Pelargonium graveolens 1 1 1
Plantago lanceolata 1 1 1
Polygala myrtifolia 6 3 9 2 11
Prunus avium 1 1
Prunus cerasifera 1 1
Prunus domestica 2 2
Prunus dulcis 5 10 15 4 19
Prunus laurocerasus 1 1 1
Prunus persica 1 1 1
Prunus sp. 1 1 1
Pteridium aquilinum 1 1 1
Quercus petraea 1 1
Quercus robur 2 2 2
Quercus rubra 1 2 3 3
Quercus suber 3 3 3
Rosa sp. 1 1 1
Rubus fruticosus 1 1
Rubus ulmifolius 2 2 2
Salix alba 1 1
Salvia mellifera 3 3 3
Salvia officinalis 1 1 1
Salvia rosmarinus 2 2 2
Sambucus nigra 1 1 1
Santolina chamaecyparissus 4 4 4
Santolina sp. 1 1 1
Spartium junceum 1 1 1
Strelitzia reginae 1 1 1
Ulex europaeus 2 2 2
Ulex minor 2 2 2
Ulex sp. 2 2 2
Vinca major 2 2 2
Vinca sp. 1 1 1
Vitis vinifera 1 1
ST7 and ST88 1 1 1
Polygala myrtifolia 1 1 1
ST8 13 13 13
Alnus rhombifolia 1 1 1
Carya illinoinensis 2 2 2
Platanus occidentalis 7 7 7
Platanus sp. 1 1 1
Quercus palustris 1 1 1
Ulmus americana 1 1 1
ST9 28 28 4 32
Polygala myrtifolia 1 1
Quercus coccinea 2 2 2
Quercus falcata 1 1 1 2
Quercus laevis 2 2 2
Quercus nigra 1 1 1
Quercus palustris 11 11 11
Quercus petraea 1 1
Quercus phellos 1 1 1
Quercus robur 1 1 1
Quercus rubra 5 5 5
Quercus shumardii 1 1 1
Quercus sp. 3 3 3
Rubus fruticosus 1 1
ST10 9 9 4 13
Polygala myrtifolia 1 1
Prunus domestica 3 3 1 4
Prunus persica 3 3 3
Prunus sp. 3 3 3
Quercus petraea 1 1
Salix alba 1 1
ST15 3 3 3
Prunus cerasifera 3 3 3
ST22 3 3 1 4
Ambrosia psilostachya 1 1 1
Ambrosia trifida 2 2 1 3
ST23 12 12 12
Acer rubrum 1 1 1
Ambrosia trifida 2 2 2
Helianthus sp. 3 3 3
Iva annua 2 2 2
Quercus rubra 1 1 1
Ratibida columnifera 2 2 2
Solidago virgaurea 1 1 1
ST24 5 5 3 8
Cercis occidentalis 1 1 1
Liquidambar styraciflua 3 3 2 5
Prunus dulcis 1 1
Ulmus crassifolia 1 1 1
ST25 4 4 4
Encelia farinosa 4 4 4
ST26 2 12 14 8 22
Alnus rhombifolia 1 1 1
Bidens pilosa 1 1
Lepidium ruderale 1 1
Prunus cerasifera 2 2 1 3
Prunus domestica 2 1 3 3
Prunus dulcis 1 1
Prunus persica 1 1
Prunus sp. 8 8 8
Raphanus sativus 1 1
Rubus fruticosus 1 1
Solanum americanum 1 1
ST27 7 7 2 9
Ginkgo biloba 1 1 1
Lagerstroemia sp. 1 1 1
Prunus cerasifera 1 1
Prunus dulcis 2 2 1 3
Prunus sp. 3 3 3
ST28 4 4 1 5
Ambrosia trifida 2 2 1 3
Helianthus sp. 1 1 1
Iva annua 1 1 1
ST32 2 2 1 3
Rubus fruticosus 1 1
Rubus sp. 2 2 2
ST34 1 1 1
Prunus cerasifera 1 1 1
ST35 1 1 1
Xanthium strumarium 1 1 1
ST36 1 1 1 2
Prunus cerasifera 1 1
Prunus sp. 1 1 1
ST37 2 2 2
Lupinus aridorum 1 1 1
Lupinus villosus 1 1 1
ST38 1 1 1
Platanus occidentalis 1 1 1
ST39 6 6 6
Koelreuteria bipinnata 1 1 1
Liquidambar styraciflua 4 4 4
Prunus sp. 1 1 1
ST40 4 4 1 5
Prunus cerasifera 3 3 1 4
Sambucus sp. 1 1 1
ST41 8 8 2 10
Prunus domestica 1 1
Prunus salicina 2 2 1 3
Prunus sp. 2 2 2
Ulmus americana 2 2 2
Ulmus sp. 2 2 2
ST42 18 18 3 21
Ambrosia trifida 2 2 1 3
Sapindus saponaria 1 1 1
Vaccinium ashei 6 6 6
Vaccinium corymbosum 3 3 1 4
Vaccinium corymbosum x V. angustifolium hybrid 1 1
Vaccinium sp. 6 6 6
ST43 7 7 2 9
Vaccinium corymbosum 2 2 1 3
Vaccinium corymbosum x V. angustifolium hybrid 1 1
Vaccinium sp. 5 5 5
ST44 2 2 2
Quercus palustris 1 1 1
Quercus rubra 1 1 1
ST45 6 6 6
Acer griseum 1 1 1
Ampelopsis cordata 1 1 1
Cercis canadensis 3 3 3
Gleditsia triacanthos 1 1 1
ST46 3 3 3
Celtis occidentalis 1 1 1
Chionanthus sp. 1 1 1
Prunus armeniaca 1 1 1
ST48 1 1 1
Sapindus saponaria 1 1 1
ST49 1 1 1
Prunus sp. 1 1 1
ST50 2 2 2
Fraxinus americana 1 1 1
Fraxinus sp. 1 1 1
ST51 4 4 1 5
Periwinkle (common name) 1 1 1
Vinca sp. 3 3 1 4
ST58 1 1 1 2
Ambrosia trifida 1 1 1 2
ST63 1 1 1
Prunus domestica 1 1 1
ST67 2 2 8 10
Bidens pilosa 1 1
Lepidium ruderale 1 1
Prunus domestica 2 2 2
Prunus salicina 4 4
Raphanus sativus 1 1
Solanum americanum 1 1
ST71 4 4
Bidens pilosa 1 1
Lepidium ruderale 1 1
Raphanus sativus 1 1
Solanum americanum 1 1
ST79 1 1 1
Polygala myrtifolia 1 1 1
ST81 99 1 100 16 116
Acacia saligna 2 2 2
Acacia sp. 1 1 1
Calicotome spinosa 1 1 1
Cistus albidus 4 4 4
Clematis cirrhosa 3 3 3
Ficus carica 8 8 8
Fraxinus angustifolia 3 3 3
Genista valdes‐bermejoi 2 2 2
Helichrysum stoechas 4 4 4
Lavandula angustifolia 3 3 3
Lavandula dentata 3 3 3
Nerium oleander 1 1 1
Olea europaea 11 1 12 15 27
Olea europaea subsp. sylvestris 3 3 3
Phagnalon saxatile 1 1 1
Phillyrea angustifolia 3 3 3
Phlomis italica 2 2 2
Polygala myrtifolia 4 4 4
Prunus domestica 3 3 3
Prunus dulcis 14 14 1 15
Rhamnus alaternus 5 5 5
Salvia officinalis 3 3 3
Salvia rosmarinus 4 4 4
Santolina chamaecyparissus 5 5 5
Santolina magonica 2 2 2
Spartium junceum 2 2 2
Vitex agnus‐castus 2 2 2
ST82 2 2 2
Vaccinium ashei 2 2 2
ST83 2 2 2
Vaccinium ashei 2 2 2
ST87 91 91 1 92
Acacia dealbata 2 2 2
Asparagus acutifolius 2 2 2
Calicotome spinosa 3 3 3
Calicotome villosa 2 2 2
Cercis siliquastrum 3 3 3
Cistus monspeliensis 3 3 3
Cistus salviifolius 3 3 3
Cistus sp. 5 5 5
Clematis vitalba 1 1 1
Cytisus scoparius 3 3 3
Elaeagnus angustifolia 3 3 3
Ficus carica 3 3 3
Helichrysum italicum 2 2 2
Helichrysum sp. 3 3 3
Laurus nobilis 2 2 2
Lavandula angustifolia 3 3 3
Lavandula dentata 2 2 2
Lavandula sp. 2 2 2
Lonicera implexa 2 2 2
Myrtus communis 2 2 2
Olea europaea 1 1
Phagnalon saxatile 2 2 2
Polygala myrtifolia 8 8 8
Prunus dulcis 8 8 8
Rhamnus alaternus 7 7 7
Rosa canina 1 1 1
Salvia rosmarinus 5 5 5
Scabiosa atropurpurea var. maritima 1 1 1
Spartium junceum 8 8 8
ST88 6 6 6
Coronilla valentina subsp. glauca 1 1 1
Dimorphotheca ecklonis 1 1 1
Euryops chrysanthemoides 1 1 1
Hebe sp. 1 1 1
Lavandula x intermedia 1 1 1
Polygala myrtifolia 1 1 1
ST89 2 2 2
Myoporum sp. 1 1 1
Viburnum tinus 1 1 1
pauca 8 127 10 6 4 460 38 4 657 247 23 927
ST11 52 52 14 3 69
Catharanthus roseus 2 2
Citrus sinensis 22 22 4 3 29
Citrus sp. 29 29 29
Coffea arabica 4 4
Coffea sp. 1 1 1
Nicotiana tabacum 4 4
ST12 3 3 3 6
Citrus sinensis 2 2 2 4
Citrus sp. 1 1 1 2
ST13 12 12 89 3 104
Arabidopsis thaliana 1 1
Bidens pilosa 3 3
Catharanthus roseus 14 14
Citrus reticulata 3 3
Citrus sinensis 6 6 23 3 32
Citrus sp. 6 6 21 27
Medicago sativa 3 3
Nicotiana clevelandii 1 1
Nicotiana tabacum 12 12
Ocimum basilicum 3 3
Periwinkle (common name) 1 1
Solanum americanum 4 4
ST14 8 8 4 12
Coffea arabica 1 1 1
Coffea sp. 6 6 2 8
Prunus domestica 1 1
Prunus sp. 1 1 1 2
ST16 40 40 15 1 56
Citrus sinensis 1 1
Coffea arabica 2 2 7 9
Coffea sp. 17 17 1 18
Nicotiana tabacum 6 6
Olea europaea 21 21 1 22
ST53 8 4 460 3 475 106 6 587
Acacia saligna 3 3 3
Amaranthus retroflexus 3 3 3
Asparagus acutifolius 3 3 3
Catharanthus roseus 2 2 9 11
Chenopodium album 5 5 1 6
Cistus creticus 1 1 1
Coffea arabica 3 2 5 1 6
Coffea sp. 1 1 1 2 4
Dimorphotheca fruticosa 1 1 1
Dodonaea viscosa 2 2 2
Eremophila maculata 1 1 1
Erigeron bonariensis 3 3 3
Erigeron sp. 6 6 6
Erigeron sumatrensis 1 1 1
Euphorbia chamaesyce 2 2 2
Euphorbia terracina 1 1 1
Grevillea juniperina 1 1 1
Hebe sp. 1 1 1
Heliotropium europaeum 3 3 3
Jasminum azoricum 2 2
Laurus nobilis 2 2 2
Lavandula angustifolia 3 3 3
Lavandula sp. 1 1 1
Lavandula stoechas 2 2 2
Medicago sativa 1 1
Myoporum insulare 1 1 1
Myrtus communis 2 2 2
Nerium oleander 5 18 23 8 4 35
Nicotiana tabacum 5 5
Olea europaea 1 328 329 52 381
Pelargonium fragrans 1 1 1
Pelargonium sp. 1 1 1
Periwinkle (common name) 1 1 1
Phillyrea latifolia 2 2 2
Pistacia vera 1 1 1
Polygala myrtifolia 1 22 23 9 32
Prunus avium 9 9 4 13
Prunus domestica 2 2
Prunus dulcis 10 10 4 14
Prunus persica 1 1 1
Quercus ilex 1 1 1
Quercus petraea 1 1
Rhamnus alaternus 4 4 4
Salix alba 1 1
Salvia rosmarinus 5 5 5
Spartium junceum 2 2 2
Vinca minor 1 1 1
Vitis vinifera 5 5
Westringia fruticosa 4 4 4
Westringia glabra 1 1 1
ST64 1 1 1
Citrus sinensis 1 1 1
ST65 1 1 2 3
Catharanthus roseus 2 2
Citrus sinensis 1 1 1
ST66 1 1 1
Coffea arabica 1 1 1
ST68 1 1 1
Coffea arabica 1 1 1
ST69 6 6 1 7
Citrus sinensis 4 4 1 5
Olea europaea 2 2 2
ST70 2 2 2 2 6
Catharanthus roseus 2 2
Hibiscus fragilis 1 1
Hibiscus rosa‐sinensis 1 1 1
Hibiscus sp. 1 1 1 2
ST71 1 1 1
Prunus domestica 1 1 1
ST73 1 1 2 4 6
Catharanthus roseus 1 1
Coffea arabica 1 1 2 2
Nerium oleander 1 1
Nicotiana tabacum 1 1
Polygala myrtifolia 1 1
ST73 and ST53 1 1 1
Coffea arabica 1 1 1
ST74 6 6 6
Coffea arabica 6 6 6
ST78 2 2 2
Olea europaea 1 1 1
Prunus dulcis 1 1 1
ST80 38 38 15 53
Acacia saligna 2 2 2
Acacia sp. 1 1 1
Cistus albidus 4 4 4
Elaeagnus angustifolia 1 1 1
Genista hirsuta 2 2 2
Lavandula angustifolia 2 2 2
Lavandula dentata 3 3 3
Olea europaea 5 5 15 20
Olea europaea subsp. sylvestris 2 2 2
Polygala myrtifolia 3 3 3
Prunus dulcis 6 6 6
Salvia officinalis 1 1 1
Salvia rosmarinus 3 3 3
Thymus vulgaris 1 1 1
Ulex parviflorus 2 2 2
ST84 3 3 3
Olea europaea 3 3 3
ST85 1 1 1
Olea europaea 1 1 1
ST86 1 1 1
Olea europaea 1 1 1
sandyi 4 1 1 25 1 32 9 1 42
ST5 25 25 4 29
Hemerocallis sp. 1 1 1
Jacaranda mimosifolia 1 1 1
Magnolia grandiflora 1 1 1
Nerium oleander 22 22 1 23
Prunus dulcis 1 1
Vinca major 2 2
ST72 2 1 1 4 5 1 10
Coffea arabica 2 1 3 1 1 5
Coffea sp. 1 1 1
Nerium oleander 1 1
Olea europaea 3 3
ST76 2 1 3 3
Coffea arabica 1 1 1
Coffea sp. 1 1 1
Polygala myrtifolia 1 1 1
Grand Total 8 132 39 6 116 1 551 21 106 352 401 5 1,738 560 49 2,347

Appendix E – References included in this update

List of the 30 references included in this sixth update of the Xylella spp. host plant database. Informative data listed in Table 5 were extracted from those references and added to the database.

  1. Girelli CR, Hussain M, Verweire D, Oehl MC, Massana‐Codina J, Avendaño MS, Migoni D, Scortichini M and Fanizzi FP, 2022. Agro‐active endo‐therapy treated Xylella fastidiosa subsp. pauca‐infected olive trees assessed by the first 1H‐NMR‐based metabolomic study. Scientific Reports, 12, 5973.

  2. De Souza‐Neto RR, Carvalho IGB, Martins PMM, Picchi SC, Tomaz JP, Caserta R, Takita MA and e Souza AA, 2022. MqsR toxin as a biotechnological tool for plant pathogen bacterial control. Scientific Reports, 12, 2794.

  3. Anguita‐Maeso M, Ares‐Yebra A, Haro C, Román‐Écija M, Olivares‐García C, Costa J, Marco‐Noales E, Ferrer A, Navas‐Cortés JA and Landa BB, 2022. Xylella fastidiosa infection reshapes microbial composition and network associations in the xylem of almond trees. Frontiers in Microbiology, 13, 866085.

  4. Velasco‐Amo MP, giraldo LF, garcía C, Denancé N, Jacques MA and Landa BB, 2022. Use of traC gene to type the incidence and distribution of pXFAS_5235 plasmid‐bearing strains of Xylella fastidiosa subsp. fastidiosa ST1 in Spain. Plants, 11, 1562.

  5. Cunty A, Legendre B, e Jerphanion P, Dousset C, Forveille A, Paillard S and Olivier V, 2022. Update of the Xylella fastidiosa outbreak in France: two new variants detected and a new region affected. European Journal of Plant Pathology, 163, 505–510.

  6. Müller C, Esteves MB, Kleina HT, e Melo Sales T, Liva KB, Balbinote J and Lopes JRS, 2022. Weeds as alternative hosts of Xylella fastidiosa in Brazilian plum orchards. Journal of Plant Pathology, 104, 487–493.

  7. Scala V, Salustri M, Loreti S, Pucci N, Cacciotti A, Tatulli G, Scortichini M and Reverberi M, 2022. Mass spectrometry‐based targeted lipidomics and supervised machine learning algorithms in detecting disease, cultivar, and treatment biomarkers in Xylella fastidiosa subsp. pauca‐infected olive trees. Frontiers in Plant Science, 13, 833245.

  8. Cervantes K, Hilton AE, Stamler RA, Heerema RJ, Bock C, Wang X, Jo YK, Grauke LJ and Randall JJ, 2022. Evidence for seed transmission of Xylella fastidiosa in Pecan (Carya illinoinensis). Frontiers in Plant Science, 13, 780335.

  9. Oleary ML, Arias‐Giraldo LF, Burbank LP, De La Fuente L and Landa BB, 2022. Complete genome resources for Xylella fastidiosa strains AlmaEM3 and BB08‐1 reveal prophage‐associated structural variation among blueberry‐infecting strains. PHYTOPATHOLOGY, 112, 732–736.

  10. Waliullah S, Di Genova D, Oliver JE and Ali ME, 2022. Development of a CAPS Marker and a LAMP assay for rapid detection of Xylella fastidiosa subsp. multiplex and differentiation from X. fastidiosa subsp. fastidiosa on blueberry. International Journal of Molecular Sciences, 23, 1937.

  11. El Handi K, Hafidi M, Sabri M, Frem M, El Moujabber M, Habbadi K, Haddad N, Benbouazza A, Kubaa RA and Achbani EH, 2022. Continuous pest surveillance and monitoring constitute a tool for sustainable agriculture: case of Xylella fastidiosa in Morocco. Sustainability (Switzerland), 14, 1485.

  12. Johnson MA, Liu H, Bush E, Sharma P, Yang S, Mazloom R, Heath LS, Nita M, Li S and Vinatzer BA, 2022. Investigating plant disease outbreaks with long‐read metagenomics: sensitive detection and highly resolved phylogenetic reconstruction applied to Xylella fastidiosa. Microbial Genomics, 8, mgen000822.

  13. De Pascali M, Vergine M, Negro C, Greco D, Vita F, Sabella E, De Bellis L and Luvisi A, 2022. Xylella fastidiosa and drought stress in olive trees: a complex relationship mediated by soluble sugars. Biology, 11, 112.

  14. Tolocka PA, Giolitti F, Guzmán FA, Mattio MF, Nome CF, Ortega LI, Paccioretti MA, Roca ME, Otero ML and Haelterman RM, 2021. Characterisation of Xylella fastidiosa from plant materials and isolated strains of olive (Olea europaea L.) and implementation of a serological diagnostic system in Argentina. Revista de Investigaciones Agropecuarias, 47, 380–389.

  15. Johnson KA, Bock C, Vinson EL and Brannen P, 2022. Prevalence and distribution of Phony Peach Disease (caused by Xylella fastidiosa) in the United States. Plant Disease.

  16. Olawole O, Uribe P, Rodriquez NA, Gonzalez CF and Ong K, 2022. First report of Bacterial Leaf Scald of plum caused by Xylella fastidiosa in Texas. Plant Disease.

  17. Ge Q, Zhu X, Cobine PA and e la Fuente L, 2022. The copper‐binding protein CutC is involved in copper homeostasis and affects virulence in the xylem‐limited pathogen Xylella fastidiosa. PHYTOPATHOLOGY, 112, 1620–1629.

  18. Tolocka PA, Guzman FA, Paccioretti MD, Roca ME, Otero ML and Haelterman RM, 2022. Identification of sequence type ST78 Xylella fastidiosa from olive trees in Argentina. PHYTOPATHOLOGY, 112, 16–16.

  19. Feitosa‐Junior OR, Souza APS, Zaini PA, Baccari C, Ionescu M, Pierry PM, Uceda‐Campos G, Labroussaa F, Almeida RPP, Lindow S and Silva AM, 2022. The XadA trimeric autotransporter adhesins in Xylella fastidiosa differentially contribute to cell aggregation, biofilm formation, insect transmission and virulence to plants. Molecular plant‐microbe interactions: MPMI.

  20. Europhyt notification n. ‐124 (Update 31).

  21. Europhyt notification n. ‐228 (Update 26).

  22. Europhyt notification n. 1194 (Update 5).

  23. Europhyt notification n. 501 (Update 13).

  24. Europhyt notification n. 1157 (Update 9).

  25. Europhyt notification n. 718 (Update 11).

  26. Europhyt notification n. 753 (Update 19).

  27. Europhyt notification n. 1255 (Update 2).

  28. Europhyt notification n. 246 (Update 18).

  29. Europhyt notification n. 1528 (Update 2).

  30. Europhyt notification n. 1917 (Update 00).

Annex A – Links to data and interactive reports

Data are available as interactive reports on the Microstrategy platform at the following link:

https://www.efsa.europa.eu/en/microstrategy/xylella

Raw data and related metadata are published in Zenodo in the EFSA Knowledge Junction community, this report refers to version 7 (doi: 10.5281/zenodo.1339343 ).

Suggested citation: EFSA (European Food Safety Authority) , Delbianco A, Gibin D, Pasinato L, Boscia D, Morelli M, 2023. Update of the Xylella spp. host plant database – systematic literature search up to 30 June 2022. EFSA Journal 2023;21(1):7726, 90 pp. 10.2903/j.efsa.2023.7726

Requestor European Commission

Question number EFSA‐Q‐2021‐00776

Acknowledgements EFSA wishes to acknowledge the National Research Council, Institute for Sustainable Plant Protection (CNR‐IPSP), Bari, Italy, for the support provided to this scientific output in the context of grant GP/EFSA/ALPHA/2017/02 Lot 5 GA1 ‐ Specific agreement Nr. 5. EFSA wishes to thank Claude Bragard (Chair of EFSA Panel of Plant Health) for reviewing this scientific report.

Declarations of interest If you wish to access the declaration of interests of any expert contributing to an EFSA scientific assessment, please contact interestmanagement@efsa.europa.eu.

EFSA may include images or other content for which it does not hold copyright. In such cases, EFSA indicates the copyright holder and users should seek permission to reproduce the content from the original source.

Approved: 29 November 2022

Note

References

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