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TNAU Agritech Portal :: Crop Protection

Whitefly:  Bemisia tabaci

Symptoms of damage:

  • Chlorotic spots
  • Yellowing
  • Downward curling and drying of leaves
  • Vector of tomato leaf curl disease

 


Fruit damage Silvery damage Tomato leaf curling

Identification of pest

  • Egg: Pear shaped, light yellowish, stalked
  • Nymph: On hatching - Oval, scale-like, greenish white
  • Adult: White, tiny, scale-like adults

Management:

  • Install yellow sticky traps @ 12 /ha to attract the adult.
  • Remove alternate weed host Abutilon indicum.
  • Uproot and destroy the diseased leaf curl plants
  • Use nitrogen and irrigation judiciously.
  • Remove alternate weed host Abutilon indicum
  • Use yellow sticky traps at 12/ha to attract and kill insects.
  • Apply carbofuran 3% G @ 40 kg /ha or spray any one of the following insecticides
    Insecticide Dose
    Carbofuran 3 CG 40 kg/ha
    Dimethoate 30 % EC 1.0  ml/lit.
    Malathion 50 % EC 1.5 ml/ lit.
    Methl demeton 25 EC 1.0 ml/ lit.
    Cyantraniliprole 10.26 OD 1.8ml/lit.
    Imidacloprid 17.8 SL 3.0ml/10lit.
    Spiromesifen 22.9 SC 1.25ml/lit.
Nymphs and adult Eggs and Adult
Updated on October, 2022

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