PESTS OF CASTOR :: Integrated Pest Management
Integrated Pest Management of Castor Crop
I. Cultural Method
- Resistant varieties: (a) Variety C3 Pakistan is tolerant. R.C.1098 and R.C.1096 coonoo are resistant to jassid attack. (b) Varieties R.C.1066, R.C.1067, R.C.1092, R.C.1069, R.C.1071 and R.C.1072 are resistant to mite infestation.
- Summer ploughing: Deep summer ploughing should be followed, so that the larvae of semilooper, hairy caterpillar pupated in the soil will be killed due to scorching sunlight.
II. Mechanical Method
- Set up light trap to attract and kill lepidopteran moths
- Collect and destroy the egg masses of Spodoptera litura and slug caterpillar.
- Collect and destroy the early instar larvae of Spodoptera litura, semilopper and hairy caterpillar.
III. Microbial Method
- Use of bacteria: Spraying of thuricide (Bacillus thuringiensis1%) is found to be effective in controlling the larvae of A. janata and other lepidopterous larvae.
- Use of virus: Nuclear polyhedrosis, Cytoplasmic polyhedrosis and pox-like virus has been found effective against A. moorei and Euproctis spp.
- Use of nematodes: Mermis submigrescens have been found effective against A.moorei.
- Use of antifeedants: Triphenyl tin compound 45% WP @ 0.06% and other fentin compounds will protect the crop from the attack of Spodoptera mauritia, Spodoptera littoralis, Pericallia ricini, Spodoptera litura.
- Apply NSKE 3% + neem oil 2% for the control of semilooper.
- Apply dimethoate 500 ml/ha or methyl demeton 25 EC 1500 ml/ha to control sucking pests.
- Apply endosulfan 4D 25 kg/ha to control semilooper and other pests.
- Spray any one of the following insecticides/ha thrice from flowering at three weeks interval to control capsule and shoot borer. Malathion 2 L, and carbaryl 50 WP 2 kg in 1000 L of water.