- A pink bollworm or caterpillar begins to damage the cotton plant’s leaves first.
- In the early stages of the crop they are found on the flowers, and attack on the pollen of flowers of cotton crops.
- As the cotton boll formation starts the worm goes inside and starts feeding on the cotton inside the boll.
- Resulting in an ill-formed cotton boll and stains in cotton.
- Three sprays are very crucial for the control of this pest as a chemical treatment.
- First spray: – in 40 to 45 days of cotton sowing. when 20 to 30% of the flowering starts in cotton, at that time, use FENPROPATHRIN 10% EC @ 400 ml/acre.
- Second spray: – Second spray should be done after 13 to 15 days of first spray, QUINALPHOS 25% EC @ 300 ml / acre PROFENOFOS 40 % + CYPERMETHRIN 4% EC@ 400 ml / acre.
- Third spray: – Third spray is to be done 15 days after the second spray.NOVALURON 5.25 %+ EMAMECTIN BENZOATE 0.9 SC @ 600 ml / acre.
- Pheromone trap can be used as a biological treatment for the management of pink bollworm
- For a biological treatment use BEAUVERIA BASSIANA @250 gram/acre along with all three sprays
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