Submitted by padmavathi_dor on Sat, 13/02/2010 - 12:55
Posted in
Capsule Borer (Helicoverpa armigera)
Nature of Damage:
- During early stages of crop growth, it damages leaves and shoot apices.
- Then it is often noticed on capitula at later stage.
- Typical symptoms are perforated leaves and involucral bracts, partially or completely eaten capitula.
- Dried black excreted pellets are seen on the infested parts and the larvae is seen on the holes of the capsule
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Cultural Control:
- Avoid chickpea as intercrop.
- Hand pick and destroy caterpillars.
Chemical Control:
- Spray dimethoate (0.07%) or endosulfan (0.07%) at the rate of 500 litres of spray mixture per ha.
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