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Agricultural crops :: Pulses :: Cowpea

Cowpea mosaic: Virus

Symptom
  • Symptoms vary and include rapid death of young succulent plants.
  • Discoloration of taproots, longitudinal cracks of the stems, stunting, wilting and poor yields.
  • Complete control of root rot and damping off is difficult, and no variety of cowpea is resistant to root rot.
  • Persistent damp weather prior to development of the first true leaf and also the crowding of seedlings due to poor seed spacing may increase damping off.

Management

  • Roguing out of cowpea mosaic virus diseased plants in the early stage of growth up to 30 days and spraying twice at fortnightly intervals with Methyldemeton 25 EC 500 ml/ha.

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