Fall army worm :- Nature of Damage and Control measures

Damage:-

  • Fall armyworm generally feeds on foliage, but during heavy infestations, larvae will also feed on corn ears. 
  • Foliar damage to corn is usually characterized by ragged feeding and moist sawdust-like frass near the whorl and upper leaves of the plant.
  • They will frequently be near the tip but may feed down the ear creating a track of damaged kernels.

Control:-

  • Set up of light traps.
  • Set up sex pheromone traps at 5 /acre.
  • Apply any one of the following on presence of the pest.
    • Flubendiamide 480 SC @ 60ml/acre
    • Spinosad 45% SC @ 80 ml/acre.
    • Thiodicarb 75% WP @ 400g/acre.
    • Chlorantraniliprole 18.5% SC @ 60 ml/acre.

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