A: No, it is the black spot disease caused by Trichoderma rosacea. It usually appears after continuous alternating high temperature and high humidity. It can evenly spray evenly before bagging, with 120 wettable powder 800 times liquid plus 80% Dasheng M-45 wettable powder 800 times liquid or 68.75% Yibao water dispersible granule 1200 times liquid. If it rains during the bagging period, make up the spray and continue to bag.
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