Management of Downy mildew in Sorghum
06 January 2023, New Delhi: The most conspicuous symptom is the appearance of vivid green and white stripes on the leaves and white patches of oospores on the lower surface of infected leaves. Systemically infected plants become chlorotic and such plants usually fail to throw panicles. Even if panicles are exerted, they are small and have little or no seed set.
Control measures for Downy mildew in Sorghum
Deep summer plowing before planting to reduce soil-borne oospores is much helpful. Seed dressing with Metalaxyl or Ridomil 25 WP@ 1g a.i./kg followed by foliar spray with Ridomyl-MZ @ 3g/L water is recommended.
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