Table 4 Control methods for the two ( A . acerata and Cylas spp.) most important insect pests of sweetpotato (% households)
Control strategy for A. acerata and Cylas spp. | % households | Overall mean | |||||
|---|---|---|---|---|---|---|---|
Gulu | Kabale | Kasese | Masindi | Soroti | Wakiso | ||
a) for A. acerata | |||||||
Chemical insecticides | 2 | 20 | 14 | 50 | 0 | 56 | 24 |
Ash application | 0 | 0 | 7 | 8 | 0 | 0 | 3 |
Hand-picking | 0 | 0 | 0 | 8 | 0 | 6 | 2 |
Chemical insecticides and hand-picking | 0 | 0 | 0 | 8 | 0 | 0 | 1 |
Chemical insecticides and ash application | 0 | 0 | 0 | 0 | 0 | 13 | 2 |
Hand-picking and ash application | 0 | 0 | 0 | 8 | 0 | 0 | 1 |
Chemical insecticides, hand-picking and ash application | 0 | 0 | 0 | 0 | 0 | 6 | 1 |
None | 98 | 80 | 79 | 17 | 100 | 19 | 65 |
b) for Cylas spp. | |||||||
Chemical insecticides | 0 | 0 | 0 | 6 | 0 | 8 | 2 |
Chemical insecticides and re-hilling | 7 | 0 | 7 | 6 | 0 | 0 | 3 |
Crop rotation | 7 | 8 | 0 | 0 | 0 | 0 | 3 |
Early harvesting | 0 | 0 | 7 | 0 | 7 | 8 | 4 |
Mulching and re-hilling | 0 | 0 | 0 | 0 | 0 | 8 | 1 |
None | 87 | 92 | 87 | 88 | 93 | 77 | 87 |