Table 4 Effect on yield of cabbage after application of Heterorhabditis pakistanensis alone and in combination with insecticides and neem product against Pieris brassicae infesting cabbage under field conditions
Treatments | Yield of cabbage (q/4 m2 plot) | Yield of cabbage (q/hec) | % increase in yield over untreated control |
|---|---|---|---|
Heterorhabditis pakistanensis @ 3.0 lakh IJs/m2 | 0.081 | 202.5 | 15.71 |
H. pakistanensis @ 3.0 lakh IJs/m2 + Quinalphos 25 EC @ 0.035% | 0.086 | 215.0 | 22.85 |
H. pakistanensis @ 3.0 lakh IJs/m2 + Dichlorvos 76 EC @ 0.025% | 0.092 | 230.0 | 31.42 |
H. pakistanensis @ 3.0 lakh IJs/m2 + Azadirachtin @ 0.25% | 0.089 | 222.5 | 27.14 |
Untreated control | 0.070 | 175.0 | |
CD (P ≤ 0.05) | 0.004 | 7.37 |