TABLE 1.
The natural and experimental host range of Xanthomonas hortorum pathovars and unassigned strains
| X. hortorum pv. | Isolated from a | Host range type b | Disease c | References | ||
|---|---|---|---|---|---|---|
| Family | Plant genus | Plant species | ||||
| carotae | Apiaceae | Daucus | carota | N | BLB | Kendrick (1934); Myung et al. (2014); du Toit et al. (2014) |
| cynarae | Asteraceae | Cynara | scolymus | N | BBS | Trébaol et al. (2000) |
| Solanaceae | Capsicum | annuum | E | NA | Timilsina et al. (2019) | |
| gardneri | Asteraceae | Cynara | scolymus | E | NA | Timilsina et al. (2019) |
| Euphorbiaceae | Euphorbia | heterophylla | N | BS | Araújo et al. (2015) | |
| Solanaceae | Solanum | lycopersicum | N | BS | Jones et al. (2004); Quezado‐Duval et al. (2004); Timilsina et al. (2019) | |
| Capsicum | annuum | N | BS | Jones et al. (2004); Timilsina et al. (2019) | ||
| Solanum | americanum | E | BS | Araújo et al. (2015) | ||
| Nicandra | physaloides | E | BS | Araújo et al. (2015) | ||
| Brassicaceae | Arabidopsis | thaliana | E | NA | Cândido et al. (2008) | |
| hederae | Araliaceae | Hedera | helix | N | BLS | Arnaud (1920); Trantas et al. (2016) |
| canariensis | N | BLS | Suzuki et al. (2002) | |||
| nepalensis (var. sinensis) | N | BLS | Zhang et al. (2015) | |||
| rhombea | E | NA | Suzuki et al. (2002) | |||
| colchica | E | NA | Leyns et al. (1984) | |||
| Schefflera | atinophylla | N | BLS | Chase (1984); Norman et al. (1999); Tolba (2017) | ||
| arboricola | N | BLS | Chase (1984); Norman et al. (1999) | |||
| Fatsia | japonica | N | BLS | Chase (1984) | ||
| Polyscias | spp. | N | BLS | Norman et al. (1999) | ||
| Plerandra | elegantissima | E | NA | Chase (1984) | ||
| pelargonii | Geraniaceae | Pelargonium | capitatum | N | BB | Knauss and Tammen (1964) |
| peltatum | N | BB | Starr et al. (1955) | |||
| quercifolium | N | BB | Knauss and Tammen (1964) | |||
| radens | N | BB | Knauss and Tammen (1964) | |||
| scandens | N | BB | Knauss and Tammen (1964) | |||
| zonale | N | BB | Leyns et al. (1984) | |||
| × domesticum | N | BB | Stapp (1958) | |||
| × fragrans | N | BB | Knauss and Tammen (1964) | |||
| × hortorum | N | BB | Starr et al. (1955) | |||
| × ignescens | N | BB | Knauss and Tammen (1964) | |||
| Geranium | maculatum | N | BB | Stapp (1958) | ||
| pratense | N | BB | Starr et al. (1955) | |||
| sanguineum | N | BB | Starr et al. (1955) | |||
| sylvaticum | N | BB | Stapp (1958) | |||
| Euphorbiaceae | Euphorbia | pulcherrima | E | NA | Rockey et al. (2015) | |
| taraxaci | Taraxacum | kok‐saghyz | N | BLS | Niederhauser (1943) | |
| vitians | Asteraceae | Lactuca | sativa | N | BLS | Brown (1918); Morinière et al. (2020) |
| serriola | N | BLS | Toussaint et al. (2012); Morinière et al. (2020) | |||
| biennis | E | NA | Toussaint et al. (2012) | |||
| Taraxacum | officinale | E | NA | Toussaint et al. (2012); Morinière et al. (2020) | ||
| Sonchus | oleraceus | E | NA | Toussaint et al. (2012) | ||
| asper | E | NA | Toussaint et al. (2012) | |||
| Artemisia | biennis | E | NA | Toussaint et al. (2012) | ||
| Matricaria | discoidea | E | NA | Toussaint et al. (2012) | ||
| Arctium | minus | E | NA | Toussaint et al. (2012) | ||
| Gnaphalium | uliginosum | E | NA | Toussaint et al. (2012) | ||
| Ambrosia | artemisiifolia | E | NA | Toussaint et al. (2012) | ||
| Galinsoga | quadriradiata | E | NA | Toussaint et al. (2012) | ||
| Senecio | vulgaris | E | NA | Toussaint et al. (2012) | ||
| Solanaceae | Nicotiana | tabacum | E | NA | Toussaint et al. (2012) | |
| Solanum | lycopersicum | E/N? | BLS | Sahin et al. (2003); Al‐Saleh et al. (2011); Morinière et al. (2020) | ||
| Capsicum | annuum | E | NA | Sahin et al. (2003); Al‐Saleh et al. (2011) | ||
| “nigromaculans” | Arctium | lappa | N | BLS | Parkinson et al. (2009); Dehghan‐Niri and Rahimian (2016) | |
| Unassigned | Asteraceae | Artemisia | annua | N | BLS | Ssekiwoko et al. (2009) |
| Cichorium | intybus | N | BLS | Zacaroni et al. (2012) | ||
| Calendula | officinalis | NA | NA | Parkinson et al. (2009) | ||
| Lamiaceae | Lavandula | dentata | N | BLS | Koike et al. (1995) | |
| angustifolia | N | BLS | Koike et al. (1995); Roberts and Parkinson (2014) | |||
| × intermedia | N | BLS | Rotondo et al. (2020) | |||
| × ginginsii | E | NA | Rotondo et al. (2020) | |||
| Oleaceae | Olea | europaea | NA | NA | Young et al. (2010) | |
| Primulaceae | Primula | vulgaris | N | BLS | Nejad et al. (2012) | |
| Hydrangeaceae | Hydrangea | quercifolia | N | BLS | Cottyn et al. (2021); Uddin et al. (1996) | |
| arborescens | N | BLS | Cottyn et al. (2021) | |||
| Paeoniaceae | Paeonia | spp. | N | BB | Oliver et al. (2012); Klass et al. (2019) | |
| Poaceae | Triticum | sp. | E | NA | Egorova et al. (2014) | |
| Poaceae | Hordeum | vulgare | E | NA | Egorova et al. (2014) | |
| Poaceae | Secale | cereale | E | NA | Egorova et al. (2014) | |
| Poaceae | Avena | sativa | E | NA | Egorova et al. (2014) | |
| Lauraceae | Persea | americana | NA | NA | Parkinson et al. (2009) | |
a
To ensure consistent botanical taxonomy, plant species nomenclature was checked on the World Flora Online database (WFO, 2021).
b
N, natural host; E, experimental host; NA, not applicable.
c
Disease type is only mentioned in the event of a natural host. BLS, bacterial leaf spot; BBS, bacterial bract spot; BLB, bacterial leaf blight; BS, bacterial spot; BB, bacterial blight; NA, not applicable.