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Green leafhopper – Kisan Suvidha
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Green leafhopper

Green leafhopper

Green leafhopper: Nephotettix virescens

Symptom of damage:

  • Yellowing of leaves from tip to downwards
  • Vector for the diseases viz., Rice tungro virus, rice yellow & transitory yellowing cause direct damage to the rice plant
  • Retarded vigorous and stunted growth
  • Drying up of plant due to sucking up of the leaf

Identification of insect pest:

  • Eggs: Greenish transparent eggs are deposited in the midrib of leaf blade or sheath of rice or green grass. They are laid in batches of 10 to 15 arranged in a single row
  • Nymph: The nymphs are soft-bodied, yellow-white in colour. Gradually the colour changes to green.
  • Adult: Adults are 3-5 mm long, bright green with variable black markings, wedge-shaped with a characteristic diagonal movement. The male insect has a black spot in the middle of the forewings that is absent in females. The insect is active during July to September

Management:

ETL: 60/25 net sweeps or 5/hill at vegetative stage or 10/hill at flowering or 2/hill in tungro endemic area

  • Set up light traps to attract and control the leafhopper vectors as well as to monitor the population
  • Kill the leafhoppers attracted to the light trap by spraying any one of the insecticides every morning.
  • Apply any insecticides on bunds, twice at 15 and 30 days after transplanting
      • Phosphamidon 40 SL 1000 ml /ha
      • Profenophos 50 EC 1000 ml/ha
      • Carbofuran 3 G 17.5 kg/ha
      • Buprofezin 25% SC 800 g/ha
      • Carbosulfan 25% EC 800-1000 ml/ha
      • Fipronil 5% SC 1000-1500 g/ha
      • Imidacloprid 17.8% SL 100 -125 ml/ha
      • Thiamethoxam 25% WG 100 g/ha
      • Triazophos 40% EC 625-1250 ml/ha

 

Source-

  • TNAU Agritech Portal.

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