Table 2.
Incidence of begomovirus and criniviruses on fall cucurbits in Georgia in 2019 and 2020. The number of samples in which a virus was detected and their percentages (in parenthesis) are presented. The numbers for the virus detected at the highest frequency on a crop in a particular year are shown in bold.
| Virus a | Cantaloupe | Cucumber | Squash | Zucchini | Total Number of Samples | ||||
|---|---|---|---|---|---|---|---|---|---|
| 2019 | 2020 | 2019 | 2020 | 2019 | 2020 | 2020 | |||
| Single infections | CuLCrV | 6 (29) | 21 (53) | 36 (53) | 66 (69) | 195 (92) | 274 (85) | 52 (87) | 650 (76) |
| CCYV | 21 (100) | 20 (50) | 53 (78) | 71 (74) | 38 (18) | 263 (82) | 23 (38) | 489 (60) | |
| CYSDV | 12 (57) | 36 (90) | 6 (9) | 78 (81) | 31 (15) | 161 (50) | 25 (42) | 349 (43) | |
| Mixed infections | CuLCrV + CCYV | 6 (29) | 10 (25) | 31 (46) | 43 (45) | 41 (19) | 219 (68) | 13 (22) | 363 (44) |
| CuLCrV + CySDV | 4 (19) | 14 (35) | 2 (3) | 49 (51) | 27 (13) | 154 (48) | 18 (30) | 268 (33) | |
| CYSDV + CCYV | 12 (57) | 18 (45) | 6 (9) | 58 (60) | 9 (0.5) | 128 (40) | 17 (28) | 248 (30) | |
| CuLCrV + CYSDV + CCYV | 4 (19) | 9 (23) | 2 (3) | 32 (33) | 9 (0.5) | 122 (38) | 13 (21) | 191 (23) | |
| Total number of samples tested | 21 | 40 | 68 | 96 | 213 | 322 | 60 | 820 | |
a Virus acronyms used: Cucurbit leaf crumple virus (CuLCrV), cucurbit yellow stunting disorder virus (CYSDV), and cucurbit chlorotic yellows virus (CCYV). All samples collected in 2020 were also tested for cucurbit aphid borne yellows virus (CABYV), squash vein yellowing virus (SqVYV), and sida golden mosaic virus (SiGMV) but were not detected in any of the samples.