Prevention of Botrytis cinerea
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Control methods: (1) Agricultural control: After removing the diseased fruit leaves with a plastic bag, prevent the spread of germs;
(2) Chemical control: Use 50% fast-acting l000-fold, or 20% pyrimethanil 1000-fold, or 65% triamcinolone wettable powder 1000-1500 times, or 75% chlorothalonil 800 times Liquid, the above agents are used alternately, sprayed once every 5 days, continuous spraying 2-3 times.
(3) fitness training measures: increase phosphorus, potassium fertilizer or spray fertilizer, to enhance the plant's resistance to stress.