Cercospora leaf spot disease causes dark brown spots on leaves with dark to reddish brown outer margins. These spots are more clearly visible on the upper surface of the leaf. Infection of the disease starts from old leaves. Under favourable conditions, these spots become large in size and eventually, the diseased leaves fall.
Control: To control this, treat the seeds with a fungicide called Captan or Thiram (at the rate of 2.5 gm/kg) before sowing or if the Disease appears 10-15 days after sowing, then we should mix Dhanustin (Carbendazim 50% WP) at 200 gm/Acre or M-45 (Mancozeb 75% WP) 400 gm/acre at the beginning and after 10 days of the disease appearance.
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