Table 2 The corrected larval mortality percentage of the 2nd and 4th instar larvae of the cotton leafworm S. littoralis after treatment with the tested compounds during 2019 growing season in Beheira governorate
Tested compounds | Instar larvae | Corrected mortality % | |||
|---|---|---|---|---|---|
Initial kill | Residual effect | Mean | |||
1Â day | 7-days | 10-days | |||
Heater® (Lufenuron + Emamectin benzoate) | 2nd | 79.7 | 97.4 | 100.0 | 92.3 |
4th | 67.3 | 95.7 | 98.8 | 87.2 | |
Pasha® (Emamectin benzoate) | 2nd | 85.6 | 90.0 | 93.3 | 89.6 |
4th | 83.4 | 86.5 | 90.7 | 86.8 | |
Cymax® (Lufenuron) | 2nd | 81.4 | 85.8 | 92.3 | 86.5 |
4th | 77.3 | 82.7 | 90.0 | 83.3 | |
Control | 2nd | 0 | 0 | 0 | 0 |
4th | 0 | 0 | 0 | 0 | |