Table 4 Effect of sequential application of certain commercial non-traditional chemical insecticides on Tuta absoluta applied three times (during vegetative stage)
Spray number | Day after treatment | Control | Radiant | Coragen | Emperor | |||
|---|---|---|---|---|---|---|---|---|
Alive | Alive | *R% | Alive | R% | Alive | R% | ||
B-spray | Zero | 6.67 | 7.33 | 0.00 | 7.33 | 0.00 | 7.33 | 0.00 |
1st | 3 days | 10.00 | 1.67 | 84.48 | – | – | – | – |
7 days | 9.33 | 1.33 | 87.01 | – | – | – | – | |
Mean | 1.83 | 1.83 | 85.75 | – | – | – | – | |
2nd | 3 days | 10.33 | 1.00 | 90.91 | – | – | – | – |
7 days | 10.67 | 0.33 | 96.75 | – | – | – | – | |
Mean | 10.50 | 0.67 | 93.83 | – | – | – | – | |
3rd | 3 days | 11.67 | 0.67 | 93.75 | – | – | – | – |
7 days | 13.67 | 0.33 | 96.75 | – | – | – | – | |
Mean | 12.7 | 0.50 | 95.3 | – | – | – | – | |
General average | 8.33 | 1.00 | 91.61 | - | – | – | – | |
4th | 3 days | 13.67 | – | – | 0.00 | 100.0 | – | – |
7 days | 14.67 | – | – | 0.00 | 100.0 | – | – | |
Mean | 14.17 | – | – | 0.00 | 100.0 | – | – | |
5th | 3 days | 13.31 | – | – | 0.33 | 97.73 | – | – |
7 days | 14.67 | – | – | 0.00 | 100.0 | – | – | |
Mean | 13.99 | – | – | 0.17 | 98.87 | – | – | |
6th | 3 days | 13.67 | – | – | 0.00 | 100.0 | – | – |
7 days | 14.00 | – | – | 0.67 | 98.56 | – | – | |
Mean | 13.84 | – | – | 0.34 | 99.28 | – | – | |
General average | 14.00 | - | – | – | 99.38 | – | – | |
7th | 3 days | 13.67 | – | – | – | – | 0.33 | 97.78 |
7 days | 18.00 | – | – | – | – | 0.67 | 96.63 | |
Mean | 15.84 | – | – | – | – | 0.50 | 97.21 | |
8th | 3 days | 21.33 | – | – | – | – | 1.00 | 95.74 |
7 days | 19.33 | – | – | – | – | 1.33 | 93.73 | |
Mean | 20.33 | – | – | – | – | 1.17 | 94.74 | |
9th | 3 days | 18.67 | – | – | – | – | 0.67 | 96.75 |
7 days | 20.67 | – | – | – | – | 0.33 | 98.04 | |
Mean | 19.67 | – | – | – | – | 0.50 | 97.40 | |
General average | 18.61 | – | – | – | – | 0.72 | 96.45 | |
General reduction | 95.81 | |||||||