Management of Downy Mildew in watermelon crop 

  • Plucking and destroying affected leaves helps in reducing Downy Mildew in watermelon crop.
  • Plant seeds of disease-resistant varieties.
  • Crop rotation and sanitation reduces the severity of the disease.
  • Drench with thiophenate methyl 70% WP at the rate of 300 gm/acre.
  • Spray Metalaxyl 8%+Mancozeb 64% WP at the rate of  500 gm/acre.
  • Spray pseudomonas fluorescens @ 500 gram/acre.
Share

How to identify Downy Mildew in watermelon crop 

  • Water-soaked lesions appear under the surface of leaf lamina.
  • Angular spots appear on the upper surface similar to water-soaked lesions.
  • Lesions appear first on the older leaves and progressive on the younger leaves.
  • As the lesions expand, they may remain yellow or become dry and brown.
  • Affected vines do not bear fruits properly.
Share