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Crop Protection :: Pest of Chilli
Chilli thrips: Scirtothrips dorsalis

Symptoms of damage:

  • The infested leaves develop crinkles and curl upwards
  • Elongated petiole
  • Buds become brittle and drop down
  • Early stage, infestation leads to stunted growth and flower production, fruit set are arrested

Identification of pest:

  • Nymph: Are small, linear, easily fragile abdomen with straw yellow colour
  • Adult: Fringed wings
Chilli thrips infestation - upward curling Adult

Management:

  • Inter crop with agathi (Sesbania grandiflora) to provide shade which regulate the thrips population
  • Do not grow chilli after sorghum
  • Do not follow chilli and onion mixed crop
  • Sprinkle water over the seedlings to check the multiplication of thrips
  • Treat seeds with imidacloprid 70% WS @ 12 g/kg of seed
  • Apply carbofuran 3% G @ 33 kg/ha or phorate 10 % G  @ 10 kg/ha or
  • Spray any one of the following insecticide
Insecticide Dose
Imidacloprid 17.8 % SL 3.0 ml/10 lit.
Dimethoate 30 % EC 1.0 ml/lit.
Emamectin benzoate 5 % SG 4 g/10 lit.
Ethion 50 % EC 2.0 ml/lit.
Fipronil 5 % SC 1.5 ml/lit.
Oxydemeton –Methyl 25 % EC 1.0 ml/lit.
Phosalone 35 % EC 2.0 ml/lit.
Spinosad 45 % SC 3.2 ml/10 lit.
Thiacloprid 21.7 % SC 6.0 ml/10 lit.

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