1 Do a good job of field fertilizer management, remove excess buds, and increase plant disease resistance. 2 timely application of pesticides, with 50% of carbendazim WP 1000 times spray, spraying liquid about 60 kg per acre, 10-15 days once, and even spray 3-4 times. Powder rust has a significant role in the treatment of powdery mildew. And the long period of efficacy can be maintained for more than half a month. In general, use 15% wettable powder 40 grams per mu, or 25% wettable powder 25 grams, or 20% cream 30 ml, water 60 kg, spray.
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