Table 2 Parameter estimates of paired t-test applied to the ovicidal effect of insecticides against cotton pink bollworm as influenced by the age of eggs (< 8 h old and ~ 72 h old)
Treatment No | Treatment details | Parameter estimates of paired t-test for egg hatching /% | ||
|---|---|---|---|---|
df | t value | Significance (P) | ||
T1 | Profenophos 50% EC | 10 | 40.90 | < 0.000 01 |
T2 | Lambda-cyhalothrin 5% EC | 10 | -0.64 | 0.55# |
T3 | Emamectin benzoate 5% SG | 10 | -13.48 | 0.000 04 |
T4 | Ethion 50% EC | 10 | 8.30 | 0.000 4 |
T5 | Cypermethrin 25% EC | 10 | -3.02 | 0.03 |
T6 | Neem seed kernel extract (NSKE) 0.15% EC | 10 | 7.08 | 0.000 9 |
T7 | Profenophos 40% + Cypermethrin 4% EC | 10 | 0.88 | 0.42# |
T8 | Chlorpyrifos 50% + Cypermethrin 5% EC | 10 | 3.16 | 0.025 |
T9 | Ethion 40% + Cypermethrin 5% EC | 10 | -7.29 | 0.000 8 |
T10 | Control (water spray) | 10 | 0.04 | 0.97# |