Symptom of damage:
- Larva folds the leaves longitudinally and larva remains inside
- Larva scrapes the green tissues of the leaves, which later becomes white and dry
- During severe infestation the whole field exhibits scorched appearance
Identification of insect pest:
- Egg: Flat, oval in shape and yellowish white in colour
- Larva: Greenish translucent
- Adult: Moth is yellowish brown with many dark wavy lines in centre and dark band on margin of wings.
Management:
ETL: 10% leaf damage at vegetative phase and 5% of flag leaf damage at flowering
- Release Trichogramma chilonis @2 cc (40,000/ac) thrice at 37, 44 and 51 days
- Avoid excessive nitrogenous fertilizers
- Keep the bunds clean
- Spray NSKE 5 % or Azadirachtin 0.03% 400 ml/ac
- Spray any one of the following insectcides
- Phosalone 35 EC 600 ml/ac
- Chlorpyriphos 20 EC 500 ml/ac
- Acephate 75 % SP 267-400 ml/ac
- Carbosulfan 6% G 6.7 kg/ac
- CartapHydrochloride 50 % SP 400 g/ac
- Chlorantraniliprole 18.5% SC 60 g/ac
- Chlorantraniliprole 0.4% G 4 kg/ac
- Fipronil 80%WG 20-25 g/ac
- Flubendiamide 39.35% M/M SC 20 g/ac
- Flubendiamide 20% WG 50-100 g/ac
- Thiamethoxam 25% WG 40 g/ac
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| white and dried leaves |
Larva inside leaf fold |
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