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1、建立无病苗繁殖基地,提供无病种植材料; 2、对已染病种苗进行彻底清毒除害处理,消毒除理方法如下:
1, the establishment of disease-free seedling breeding base to provide disease-free planting materials; 2, the infected seedlings have been thoroughly detoxification, disinfection in addition to the following method: