Table 1.
Occurrence and ecology of non-cassava plant species sampled for Cassava brown streak viruses in Mozambique 2014.
| Local name | Botanical name | Plant family | CBSV/UCBSV Testing results |
Disease severity (1–5 scale) | Collection environment and ecology | Sample location | Frequency occurrence and distribution |
|---|---|---|---|---|---|---|---|
| Tree cassava | Manihot carthaginensis subsp. glaziovii (Müell-Arg.) Allem. | Euphorbiaceae (perennial shrub tree) | CBSV and UCBSV | 4 | Nearby cassava fields along boundaries and homestead | Zambezia, Nampula, Niassa |
High |
| Velvet-fruited zanha | Zanha africana (Radlk.) Exell. | Sapindaceae (perennial shrub tree) | CBSV | 3 | Within cassava fields and uncultivated areas | Nampula | High |
| Camel bush | Trichodesma zeylanicum (Burm.f.) R.Br. | Boraginaceae (annual/perennial weed) | CBSV | 3 | Within cassava fields and uncultivated areas | Nampula, Niassa | Very high |
| Velvet bean | Mucuna pruriens | Fabaceae (creeping vine legume) | – | 4 | Within cassava fields and uncultivated areas | Nampula | Low |
| Pigeon pea | Cajanus cajan (L.) Millsp. | Fabaceae (annual/perennial legume) | – | 2 | In the cassava fields | Zambezia | High |
| Paederia bojeriana | Paederia bojeriana (A.Rich.) Drake subsp. foetens (Hiern) | Rubiaceae | – | 3 | In cassava fields and within cassava fields | Zambezia | Low |
| Benghal dayflower | Commelina benghalensis | Commelinaceae (annual/perennial herb) | – | 2 | In cassava fields and within cassava fields | Nampula | High |
| Billygoat weed | Ageratum conyzoides (L.) | Asteraceae (perennial weed) | – | 3 | In cassava fields and within cassava fields | Zambezia, Niassa, C.Delgado |
High |
| – | Vernonia petersii Oliv. & Hiern ex Oliv. | Compositae (annual weed) | – | 3 | Within cassava fields and uncultivated areas | Zambezia, Nampula | Low |
| Zebrawood or Msasa | Brachistegia spiciform Benth | Fabaceae (perennial shrub tree) | – | 3 | Within cassava fields and uncultivated areas | Nampula | Very high |
| Lemon basil | Ocimum africanum Lour. | Lamiaceae (annual weed) | – | 4 | Nearby cassava fields and in the cassava field | Nampula | Very high |
| Cofeeweed/cassia | Senna obtusifolia (L.) H.S.Irwin & Barneby | Caesalpinioideae (annual/perennial herb) | – | 3 | Nearby cassava fields and in the cassava field | Nampula, Zambezia | Very high |
| Morning glory | Ipomea tenuipes Verdc. | Convolvulaceae (perennial) | – | 2 | Nearby cassava fields | Zambezia, Cabo Delgado | Low |
| Dandotapala | Vernonia cinerea (L.) Less | Asteraceae (annual shrub) | – | 3 | Within cassava fields and uncultivated areas | Zambezia, Nampula | Low |
| – | Nidorela sp. | – | 2 | Nearby cassava fields | Niassa | Low |