Pest Management: Symptoms
Bhendi - Bhendi fruit borer: Helicoverpa armigera
- Symptoms of Damage:
Feed on the flowers
Circular boreholes on fruits
Larva thrust only part of their body inside the fruit feed
- Identification of Pest:
Eggs: Are spherical in shape and creamy white in colour, laid singly
Larva: Shows colour variation from greenish to brown
Pupa: Brown in colour, occurs in soil, leaf, and pod
Adult: Female brownish yellow stout moth, Male is pale greenish in colour with V shaped markings
Collect and destroy the infected fruits and grown up larvae
Grow simultaneously 40 days old American tall marigold and 25 days old tomato seedling at 1:10 rows to attract Helicoverpa adults for egg laying.
Setup pheromone trap with Helilure at 15/ha
Six releases of T. chilonis @ 50,000/ha per week coinciding with flowering time
Release Chrysoperla carnea at weekly interval at 50,000 eggs or grubs/ha from 30 DAS
Spray carbaryl 50 WP 2g/lit or B. thuringiensis 2g/lit
Do not spray insecticides after maturity of fruits.
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