Chemical management
- Apply any one of the following insecticides to manage the early instar (1st to 3rd instar) larvae
- Carbaryl 50 WP @ 2.0 kg/ha
- Quinalphos 25 EC @ 750 ml/ha
- Dichlorvos 76 WSC @ 750 ml/ha
- Diflubenzuron 25 WP @ 300-400g/ha
- Spray neem oil (2%) @ 20 lit /ha
- Prepare a poison bait with the following materials to cover one ha. Rice bran 12.5 kg, Molasses or jaggary 1.25 kg and carbaryl 50 WP 1.25 kg. Mix the ingredients to obtain a homogeneous mixture, Sprinkle water (7 lit.) gradually and bring the bait to a dough consistency. Distribute the above bait by broadcasting in the field during evening hours immediately after preparation.
- Apply Nuclear Polyhedrosis Virus @ 3 x 1012 POBs/ha
- Inter crop lablab bean with groundnut at 1:4 ratio
- Spray any one of the following insecticides for late instar larvae:
- Imidacloprid 17.8% SL @ 100 -125 ml/ha
- Quinalphos 25% EC @ 1400 ml/ha