Powdery mildew in Okra

Symptoms-

  • The disease is found mainly on the older leaves and stems of plants.
  • Increased humidity favours the disease and infection is enhanced during periods of heavy dew.
  • The disease symptoms appear as small, round, whitish spots on leaves and sometimes on stems.
  • The spots enlarge and coalesce rapidly and a white mass resembling talcum powder becomes evident on the upper surface of the older leaves or other plant parts.
  • Young leaves are almost immune.
  • Heavily infected leaves become yellow then become dry and brown.
  • Extensive premature defoliation of the older leaves takes place.

Control-

Spray wettable sulphur 80% WP 50gm/15lit of water at fortnight interval.

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