Identification of the pest-
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Eggs – are spherical in shape and creamy white laid singly.
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Pupa – brown in colour, occurs in soil, leaf, pod and crop debris
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Adult – light pale brownish-yellow stout moth. Forewing grey to pale brown with V-shaped speck.
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the outer wings are pale smoky white with a broad blackish outer margin.
Symptoms of damage
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The larva starts eating the green part (chlorophyll) present in the leaf, so that, in the end, only the veins of the leaf are visible, after which these larvae start eating the flowers and green pods. The larva enters the pod by piercing it and eats all the parts present inside the pod and making it hollow.
Management:
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For chemical control, spray Profenofos 40 % + Cypermethrin 4% Ec @ 400ml/acre or Emamectin Benzoate 5% SG @ 100 gm/acre or Chlorantraniliprole 18.5% SC @ 60ml/acre.
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Apply 20-25 splints per acre of “T” shape in the field. It is beneficial to put these splints 10 – 20 cm higher than the height of the gram. Friendly insects like birds, myna, heron etc. come and sit on these splints, which eat the pod borer and save the crop from damage.
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Use pheromone trap Helicoverpa armigera @ 10 per acre.
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Use Bavaria bassiana 250 gm per acre.
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