Pink Bollworm: Pectinophora gossypiella
Symptoms of damage:
1. Rosette flowers
2. Tiny entry holes on bolls
3. Webbing inside the boll
4. Black larval frass inside bolls
5. Damaged or hollow seeds
6. Premature dropping of flowers and bolls
Life Cycle of Pink Bollworm:
Destructive Stage: Larva
Early Stage Identification:
Use pheromone traps to monitor the adult moth activity @ 10 / acre.
Pest Management:
Biological Management:
Early Sowing – Before June 15
Deep Ploughing – Expose Pupae
Rosette Removal – Remove Infested Flowers
Crop Rotation – Change Crop 2–3 Years
Burn Residues – Burn cotton sticks & bolls
Chemical Treatment:
1.Emamectin benzoate 5% SG @70 to 90g /acre
Some Available Brands
2. Chlorantraniliprole 18.5% SC @60 to 80ml/acre
Some Available Brands
3. Cypermethrin 25% EC@2ml/litre
Some Available Brands
4. Fenpropathrin 30% EC @1ml/litre
Some Available Brands
5.Thiodicarb 75%wp @1 to 1.5g/litre
Some Available Brands
