Table 1.
Disease incidence of potyviruses infecting cucurbits in 2016–2017 from the Pothwar region of Pakistan.
| Location | Crop | D.I. % in 2016 | D.I. % in 2017 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Potyvirus a | ZYMV b | WMV c | PRSV d | Potyvirus | ZYMV | WMV | PRSV | ||||
| Samples * | D.I. % | Samples * | D.I. % | ||||||||
| Attock | Cucumber | 18 (40) | 45.0 | 40.0 | 0.0 | 5.0 | 17 (41) | 41.5 | 41.5 | 0.0 | 2.4 |
| Round gourd | 17 (32) | 53.1 | 50.0 | 0.0 | 3.13 | 18 (33) | 54.5 | 54.5 | 0.0 | 0.0 | |
| Watermelon | 8 (21) | 38.1 | 28.6 | 0.0 | 9.5 | 9 (21) | 42.9 | 33.3 | 0.0 | 9.5 | |
| Melon | 6 (21) | 28.6 | 19.0 | 0.0 | 9.5 | 8 (22) | 36.3 | 22.7 | 0.0 | 13.6 | |
| Pumpkin | 3 (10) | 30.0 | 30.0 | 0.0 | 0.0 | 5 (13) | 38.5 | 38.5 | 0.0 | 0.0 | |
| Bitter gourd | 2 (20) | 10.0 | 10.0 | 0.0 | 0.0 | 3 (21) | 14.3 | 14.3 | 0.0 | 0.0 | |
| Ridge gourd | 30 (38) | 78.9 | 78.9 | 0.0 | 0.0 | 32 (39) | 82.1 | 82.1 | 0.0 | 0.0 | |
| Smooth gourd | 5 (6) | 83.3 | 83.3 | 0.0 | 0.0 | 7 (8) | 87.5 | 87.5 | 0.0 | 0.0 | |
| Chakwal | Cucumber | 6 (25) | 24.0 | 24.0 | 0.0 | 0.0 | 7 (22) | 31.8 | 31.8 | 0.0 | 0.0 |
| Round gourd | 6 (17) | 35.3 | 35.3 | 0.0 | 0.0 | 4 (16) | 25.0 | 25.0 | 0.0 | 0.0 | |
| Watermelon | 4 (19) | 21.1 | 21.1 | 5.3 | 0.0 | 5 (18) | 27.8 | 27.8 | 0.0 | 5.6 | |
| Melon | 1 (11) | 9.1 | 0.0 | 0.0 | 9.1 | 2 (12) | 16.7 | 8.3 | 0.0 | 8.3 | |
| Pumpkin | 2 (13) | 15.4 | 15.4 | 0.0 | 0.0 | 3 (13) | 23.1 | 23.1 | 0.0 | 0.0 | |
| Bitter gourd | 1 (16) | 6.3 | 6.3 | 0.0 | 0.0 | 2 (16) | 12.5 | 12.5 | 0.0 | 0.0 | |
| Ridge gourd | 15 (25) | 60.0 | 60.0 | 0.0 | 0.0 | 19 (26) | 73.1 | 73.1 | 0.0 | 0.0 | |
| Smooth gourd | 4 (10) | 40.0 | 40.0 | 0.0 | 0.0 | 5 (8) | 62.5 | 62.5 | 0.0 | 0.0 | |
| Jhelum | Cucumber | 5 (21) | 23.8 | 23.8 | 0.0 | 0.0 | 6 (25) | 24.0 | 24.0 | 0.0 | 0.0 |
| Round gourd | 3 (7) | 42.9 | 42.9 | 0.0 | 0.0 | 4 (9) | 44.4 | 44.4 | 0.0 | 0.0 | |
| Watermelon | 4 (21) | 19.0 | 0.0 | 0.0 | 19.0 | 5 (21) | 23.8 | 9.5 | 0.0 | 14.3 | |
| Melon | 0 (5) | 0.0 | 0.0 | 0.0 | 0.0 | 0 (8) | 0.0 | 0.0 | 0.0 | 0.0 | |
| Pumpkin | 1 (14) | 7.1 | 7.1 | 0.0 | 0.0 | 2 (15) | 13.3 | 13.3 | 0.0 | 0.0 | |
| Bitter gourd | 1 (16) | 6.3 | 6.3 | 0.0 | 0.0 | 2 (16) | 6.3 | 6.3 | 0.0 | 0.0 | |
| Ridge gourd | 14 (26) | 53.8 | 53.8 | 0.0 | 0.0 | 15 (25) | 60.0 | 60.0 | 0.0 | 0.0 | |
| Smooth gourd | 3 (9) | 33.3 | 33.3 | 0.0 | 0.0 | 3 (9) | 33.3 | 33.3 | 0.0 | 0.0 | |
| Rawalpindi | Cucumber | 23 (68) | 33.8 | 32.4 | 1.5 | 0.0 | 25 (69) | 36.2 | 36.2 | 1.4 | 1.4 |
| Round gourd | 13 (26) | 50.0 | 50.0 | 0.0 | 0.0 | 15 (29) | 51.7 | 51.7 | 0.0 | 0.0 | |
| Watermelon | 11 (29) | 37.9 | 27.6 | 3.4 | 6.9 | 12 (30) | 40.0 | 30.0 | 3.3 | 10.0 | |
| Melon | 3 (18) | 16.7 | 5.6 | 5.6 | 5.6 | 4 (21) | 19.0 | 9.5 | 0.0 | 9.5 | |
| Pumpkin | 3 (15) | 20.0 | 20.0 | 0.0 | 0.0 | 4 (14) | 28.6 | 28.6 | 0.0 | 0.0 | |
| Bitter gourd | 3 (28) | 10.7 | 10.7 | 0.0 | 0.0 | 4 (29) | 13.8 | 13.8 | 0.0 | 0.0 | |
| Ridge gourd | 30 (37) | 81.1 | 81.1 | 0.0 | 0.0 | 33 (38) | 86.8 | 86.8 | 0.0 | 0.0 | |
| Smooth gourd | 8 (12) | 66.7 | 66.7 | 0.0 | 0.0 | 10 (15) | 66.7 | 66.7 | 0.0 | 0.0 | |
| Islamabad | Cucumber | 5 (13) | 38.5 | 38.5 | 0.0 | 0.0 | 2 (11) | 18.2 | 18.2 | 0.0 | 0.0 |
| Round gourd | 4 (9) | 44.4 | 44.4 | 0.0 | 0.0 | 6 (12) | 50.0 | 50.0 | 0.0 | 0.0 | |
| Watermelon | 2 (8) | 25.0 | 0.0 | 0.0 | 25.0 | 3 (8) | 37.5 | 12.5 | 0.0 | 25.0 | |
| Melon | 0 (7) | 0.0 | 0.0 | 0.0 | 0.0 | 0 (6) | 0.0 | 0.0 | 0.0 | 0.0 | |
| Pumpkin | 2 (7) | 28.6 | 28.6 | 0.0 | 0.0 | 3 (8) | 37.5 | 37.5 | 0.0 | 0.0 | |
| Bitter gourd | 2 (15) | 13.3 | 13.3 | 0.0 | 0.0 | 3 (15) | 20.0 | 20.0 | 0.0 | 0.0 | |
| Ridge gourd | 15 (23) | 65.2 | 65.2 | 0.0 | 0.0 | 18 (24) | 75.0 | 75.0 | 0.0 | 0.0 | |
| Smooth gourd | 7 (9) | 77.8 | 77.8 | 0.0 | 0.0 | 7 (9) | 77.8 | 77.8 | 0.0 | 0.0 | |
| Total % D. I. | 290 (767) | 37.8 | 35.2 | 0.5 | 2.2 | 331 (795) | 41.6 | 39.7 | 0.3 | 2.4 | |
* Samples: no. of +ive samples (Total tested samples); a Disease incidence of Potyvirus = (no. of Potyvirus +ive samples/Total tested samples) × 100; b Disease incidence of ZYMV = (no. of ZYMV +ive samples/Total tested samples) × 100; c Disease incidence of WMV = (no. of WMV +ive samples/Total tested samples) × 100; d Disease incidence of PRSV = (no. of PRSV +ive samples/Total tested samples) × 100.