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White backed plant hopper – Kisan Suvidha
4107
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White backed plant hopper

White backed plant hopper

White backed plant hopper: Sogatella furcifera

Symptom of damage:

  • Suck the sap and cause stunted growth
  • “Hopper burn” is caused in irregular patches
  • Ovipositional marks exposing the plant to fungal and bacterial infections
  • Ragged stunt or grassy stunt virus disease plant may be observed

Identification of insect pest:

  • Egg: Cylindrical eggs are laid in groups when the rice plant is small but in the upper part of the rice plant when the plant is large. (They are laid with the micropylar end protruding from the tissue, the operculum is long and narrow. The eggs in a group are not sealed together by the material secreted by female.)
  • Nymph: White to a strongly mottled dark grey or black and white in colour and 0.6 mm size when young. Fifth instar nymph with a narrow head and white or creamy white body. Dorsal surface of the thorax and abdomen marked with various amounts of grey and white markings.
  • Adult: The adult hopper is 3.5-4.0 mm long. The forewings are uniformly hyaline with dark veins. There is a prominent white band between the junctures of the wings. Macropterous males and females and brachypterous females are commonly found in the field.

Management:

  • Apply any one of the following insecticides
    • Phosphamidon 40 SL 1000 ml/ha
    • Azadirachtin 0.03% 1000 ml/ha
    • Buprofezin 25% SC 800 ml/ha
    • Carbosulfan 25 EC 800-1000 ml/ha
    • Chlorantraniliprole 18.5% SC 150 g/ha
    • Dichlorvos 76%SC 470 ml/ha
    • Fipronil 5% SC 1000-1500 ml/ha
    • Fipronil 0.3% GR 16670-25000 g/ha
    • Imidacloprid 70% WG 30-35 kg/ha
    • Imidacloprid 17.8 SL 100-125 ml/ha
    • Phosalone 1428 ml/ha
    • Phosphomidon 875 ml/ha
    • Quinalphos 25 EC 1500 ml/ha
    • Triazophos 40% EC 625-1250 ml/ha

 

Source-

  • TNAU Agritech Portal

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