This year, the incidence of garlic leaf blight in Sheyang County occurred later than last year. The incidence was lighter. However, if the temperature in the future is high and the humidity in the field is relatively high, garlic leaf blight may still occur moderately. In early May, the incidence of leaf blight after garlic convulsions is in the peak period. It is a critical period for the prevention and treatment of drugs, and farmers should promptly implement prevention and treatment.
In the prevention and treatment of garlic leaf blight, field management should be strengthened, timely drainage after the rain, reduce the humidity in the field, improve the plant growth environment, and improve their ability to resist disease. In early May, use 25% Prochloraz EC 50ml per acre, add 50 kg of water or spray 25-30 kg of water to spray mist manually, prevent and treat once every 7-10 days, prevent and treat 2-3 times in a row, even in case of rainy weather Spray protection in time. When the drug is used, add 80 ml garlic per acre to enhance the disease resistance of garlic. Pay attention to avoid the use of gibberellin, so as not to reduce the plant disease resistance.
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