Efficacy of entomopathogenic nematodes against the cabbage butterfly (Pieris brassicae (L.) (Lepidoptera: Pieridae) infesting cabbage under field conditions

Table 3 Efficacy of Heterorhabditis pakistanensis alone and in combination with insecticides and neem product against Pieris brassicae infesting cabbage under field condition

Treatments	Mean mortality (%) of Pieris brassicae larvae at different intervals (h)
Treatments	24	48	72
Heterorhabditis pakistanensis @ 3.0 lakh IJs/m²	52.42	59.70	61.16
H. pakistanensis @ 3.0 lakh IJs/m². + Quinalphos 25 EC @ 0.035%	64.48	73.36	74.53
H. pakistanensis @ 3.0 lakh IJs/m²+ Dichlorvos 76 EC @ 0.025%	69.36	77.20	79.65
H. pakistanensis @ 3.0 lakh IJs/m²+ Azadirachtin @ 0.25%	66.17	74.26	76.22
Untreated control	3.30	4.0	4.0

CD (P ≤ 0.05) Treatment: 2.45; Duration: NS (non-significant); Treatment × Duration: 4.25; Variety: Golden Acre; Plot size: 2 × 2 m; Design: RBD: Replication: four