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Leafhopper – Kisan Suvidha
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Leafhopper

Leafhopper

Leafhopper:  Amrasca (Biguttula biguttula) devastans

Symptoms of damage:

  • Tender leaves become yellow
  • The margin of the leaves start curling downwards and reddening sets in
  • In the case of severe infestation, leaves get a bronze or brick red colour which is typical “hopper burn” symptom
  • The margin of leaves gets broken and crumbles into pieces when crushed
  • The leaves dry, shed and the crop growth gets retarded

Identification of the pest:

  • Nymph – Light green, translucent, wingless found between the veins of leaves on the under surface
  • Adult – Green, wedge-shaped leafhopper.

Management:

  • ETL: 50 nymphs or adults/50 leaves
  • Apply carbofuran 3% CG 25 kg/ha
  • Spray any one of the following insecticides
  • Imidacloprid 200 SL 100 ml/ha Fipronil 5%SC 1500-2000 ml/ha
    Phosphamidon 40 SL 600 ml/ha Methyl demeton 25% EC 1200 ml/ha
    Acetamiprid 20% SP 50 g/ha Phosalone 35% EC 857 ml/ha
    Azadirachtin 0.03% WSP 500-1000 g/ha Profenofos 50% EC 1000 ml/ha
    Buprofezin 25% SC 1000 ml/ha Thiacloprid 21.7% SC 100-125 ml/ha
    Clothianidin 50% WDG 30-40 kg/ha Thiamethoxam 30% FS 10 kg/ha
    Diafenthiuron 50% WP 600 g/ha Thiamethoxam 25% WG 100 g/ha
    Dimethoate 30% EC 660 ml/ha  NSKE 5% 25 kg/ha
  • Where the leafhopper is a big menace apply neem oil formulation 0.5 % or neem oil 3% thrice at fortnightly 
intervals.

 

Source-

  • TamilNadu Agritech Portal

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