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Agricultural crops :: Oilseeds :: Safflower

Mosaic: Cucumber mosaic virus (CMV)

Symptom

  • In CMV infected safflower plants young leaves show irregular yellow or light patches alternating with normal green areas.
  • Leaves may become blistered and distorted and infected plants are stunted.
  • In few plants primary leaves are produced, forming a rosette of leaves exhibiting mosaic mottling and from the centre of this, the axis bearing secondary leaves is produced.
  • It is transmitted by aphids.
Management
  • The disease can be controlled by roguing and destruction of the  infected plants.
  • Remove and destroy the diseased plants.
  • Do not delay irrigation until the crop exhibits moisture stress symptoms.
  • Spraying of systemic insecticides, Dimethoate 2ml, for the control of aphid vectors.

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