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Cut worm – Kisan Suvidha
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Cut worm

Cut worm

Cut worm: Spodoptera litura 

Symptoms of damage:

  • Young larvae feed by scrapping the leaves from ventral surface
  • Later on feed voraciously at night on the foliage.

Identification of pest:

  • Larva:Pale greenish or brown with dark marking
  • Adult:Yellow and purplish spots in the sub marginal areas. Fore wings have wavy white markings, hind wings are whitish with brown patch along the margin.

Management:

  • Hand pick and destroy the caterpillar
  • Collect and destroy the damaged plant parts
  • Summer ploughing to expose to the pupae
  • Use light trap
  • Spray azinphosethyl or chlorphyriphos
  • In severe infestation applyBacillus thuringenesis
  • Foliar spray with avanthe 1 ml in 100 ml of water
  • Field release of egg parasitoid such as Telenomus spodopterae and Telenomus remus
  • Field release of entomopathogenic fungus Nomuraea rileyi

 

Source-

  • TamilNadu Agritech Portal

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