Control of Root Aphid in Wheat

  • This insect is active from November to February.
  • Damage is more in rainfed and late sown crop.
  • Yellowing of young plants is observed due to root aphids. In this case minute yellowish brown aphids may be present near the base or on the roots of the plant.
  • Aphids also vector a viral disease named barley yellow dwarf virus (BYD). Yield of infected wheat plants can be reduced by 50%.


  • Avoid late sowing.
  • Avoid use excess nitrogen fertilizers.
  • If the infestation in standing crop, Spray imidacloprid 17.8% SL @ 60-70 ml/acre.
  • Or apply thiamethoxam 25% WG @ 100 gm/acre in soil with fertilizer/Sand/soil before irrigation.

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