How to identify downy mildew in pumpkin crop?

The major symptoms of downy mildew in pumpkin crop are as follows-

  • Water-soaked lesions are formed on the lower surface of the leaves.
  • Lesions appear first on the older leaves and then progress on the younger leaves.
  • As the lesions expand, they may remain yellow or become dry and brown.
  • Affected vines do not bear fruit properly. 
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