First, choose the varieties of disease resistance varieties Yuhua 7 and Luhua 11 and other varieties with strong resistance. Prior to sowing, grain selection was performed to remove mildew seeds and batch seeds. Second, a reasonable crop rotation can be made every year in the light of sick fields, and it can be used in wheat, corn and other crops for three years. Third, seed treatment with 50% carbendazim WP according to the seed amount of 0.25% to 0.5% seed dressing, or with 50% carbendazim WP 100 ~ 200 times liquid soaking for 24 hours. Fourth, the drug prevention and treatment of the early stage, with 50% carbendazim 600 times plus 100% mixture of ethyl allicin spray, every 5 to 6 days spray 1, even spray 2 to 3 times. Fifth, increase the application of organic fertilizer planting seedlings during the seedling period, found that diseased plants in a timely manner, and bring it out of the field buried deep after burning.
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