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Biotic stress

Chemical Control of Cotton Whitefly

Chemical Control of Cotton  Whitefly

  • Apply fish oil + Teepol @ 3-3.5 litre + 500 ml/ha.
  • Apply fish oil resin soap @ 1.4-1.5 kg/ha.

Cultural Control of Cotton Whitefly

       Cultural Control of Cotton Whitefly

  • Avoid late sowing and adopt crop rotation with crop which is not the host of whitefly wherever crop rotation is recommended.

Cotton Whitefly

Cotton Whitefly

Cotton thrips

Cotton thrips

Polyphagous and very widely distributed. Occurs at all stages of crop growth starting from seedling stage. Also attack soybean, tobacco and some flower crops.

Appearance:

Chemical Control of Spotted Bollworm in Cotton

Chemical Control of Spotted Bollworm in Cotton

  • Use neem based insecticides like 5% neem seed kernel extract (NSKE) and commercial neem based formulations @ 500-600 ml/ha, starting from 45 days age of the crop.

Mechanical Control of Spotted Bollworm in Cotton

     Mechanical Control of Spotted Bollworm in Cotton

  • Collection and destruction of infested bolls.
  • Collection and destruction of plant debris and trash before sowing.

 

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