Agritech Archive
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Agritech Archive

Production · Protection · Nutrients · Water
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Symptoms of damage:

  • The larvae feed on the tender leaves, shoots, bracts and petals
  • Later, the larvae spread in the field causing defoliation
  • The larvae also feeds on the developing seeds in capitulum

Identification of the pest :

  • Egg: Egg masses appear golden brown
  • Larva: Pale greenish with dark markings, gregarious in the early stages
  • Adult: Forewings are brown colour with wavy white marking. Hind wings are white in colour with a brown patch along the margin

Management:

  • Hand pick the Helicoverpa larvae and destroy
  • Spray any of the following insecticides
  • Insecticidal application at the time of bee visit is toxic to honey bees. So, apply the insecticides after 4 pm when the bee activity is minimum.
  • Do not spray insecticides on the same day when NAA is sprayed