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Pink bollworm – Kisan Suvidha
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Pink bollworm

Pink bollworm

Pink bollworm: Pectinophora gossypiella

Symptoms of damage

  • Rosetted flowers
  • Excreta observed at the point of bore holes by larval feeding. When bolls are opened, damaged seed kernel would be observed.
  • They cut window holes (interlocular burrowing) in the two adjoining seeds thereby forming “double seeds
  • The attacked buds and immature bolls drop off
  • Discoloured lint and burrowed seeds

Identification of the pest

Larva

  • Shows colour variation. Young larva are white and late instar becomes almost black, brown or green to pale or pink
  • Several dark and light alternating bands running the entire length

Adult

  • Small moth
  • Forewingare brown or dull yellow olive-grey with dark spots
  • Hind wings margins are deeply fringed.

 

Source-

  • TamilNadu Agritech Portal

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