Red gram sterility mite

Red gram sterility mite: Aceria cajani

Symptoms of damage

  • Infected plants develop light green or chlorotic leaves which have mosaic patterns.
  • Most infected plants do not bear flowers.

Identification of the pest

  • Eggs: Milky white eggs are found on vegetative terminals.
  • Adult: The mites are difficult to see with the naked eye.They are 0.2 mm long, light pink, spindle-shaped, and are normally found feeding on the underside of leaflets. Many nymphs are found on young folded leaflets. Plant – to-plant infestation occurs by the wind dispersal of infective mites.


  • Use resistant pigeonpea varieties.
  • Spray dicofol 18.5 EC 1.0 L or wettable sulphur 40 WP 3.0 kg or dimethoate 30 EC 1.0 L or phosalone 35 EC 1.0 L in 700 L water per ha
  • Avoid synthetic pyrethroids as they cause resurgence after repeated spray.



  • TNAU Agritech Portal
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