Control Of Downy Mildew in Cauliflower

Control Of Downy Mildew in Cauliflower:-

  • The stem shows dark brown, depressed lesions which later develop downy growth of the fungus.
  • On leaves, purplish-brown spots appear on the under surface followed by appearance of downy growth on such lesions.
  • It causes damage to curd, producing curd-rot.

Control:-

  • Give hot water treatment to seed at 50°C for 30 min with Thiram(0.3%).
  • Remove the diseased portions of the curd and apply copper oxychloride 50% WP @ 3 Gm/ litre to the cut surface.
  • Spray the crop with Mancozeb 75% WP@ 400 Gm/Acre at 10-15 days intervals, first spray be given on the appearance of symptoms.
  • Follow crop rotation and sanitation practices.

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