Agritech Archive
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Agritech Archive

Production · Protection · Nutrients · Water
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Symptoms of damage:

  • Central shoot dries leading to dead heart
  • Young larva feeds tender folded leaves causing “shot hole” symptom.
  • Old larvae bores stem and feeds on internal tissues.
  • Bore holes and tunneling noticed on stem.

Identification of the pest:

  • Yellowish brown larva with brown head
  • Straw coloured moths
  • Inter-crop maize with cowpea in 2:1 ratio.
  • Release egg parasitoid, Trichogramma chilonis @ 2,50,000 /ha thrice at weekly intervals.
  • When infestation crosses 10%, spray dimethoate 30EC 660 ml/ha or chlorantraniliprole 18.5 SC @150 ml/ha
Elongated windowsBore holeDead heart
Larva and PupaMoth
Egg massLarva
Larva and PupaFemale and male moth