- The damage to the fruits starts soon after transplanting and continues till harvesting of the fruits.
- It can reduce yield by as much as 70%.
- Multiple overlapping generations occur in warm climates.
- The short pinkish larva of the pest initially bore into the terminal shoots resulting in withering and drying of the shoot.
- In the later stage, it bores into the young fruits by making holes and feeds inside and lose their market value fruits plugged with excreta.
Management:
- Install pheromone trap @ 5 /acre .
- Continuous cropping of brinjal on the same piece of land should be avoided.
- Fruits showing boring should be picked and destroyed.
- Spray the crop with Cypermethrin 10% EC @ 300ml/acre or Lambda Cyhalothrin 5% EC @ 200-250 ml/acre at fortnight intervals starting from 35 days after transplanting to control the pest.
- Best results are obtained when all the affected fruits are removed before spraying.
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