Powdery mildew disease is a major disease in cucumber crops which spreads through the fungus. Powdery mildew appears as a white powder on leaves and stems. On touching the parts affected by powdery mildew, the fingers get powdery. Due to powdery mildew disease, the process of photosynthesis is interrupted and flowers and fruits are not formed in the crop. When the problem of powdery mildew disease is high, there is a decrease in production.
Control: Powdery mildew can be controlled by spraying M-45 (Mancozeb 75% WP) 400 gm/Acre or Jatayu Chlorothalonil 75% WP at 400 gm/acre mixed in 200 litres of water twice at 10 days intervals.
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