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1 提高原种纯度原种生产人员必须具有一定的专业知识和丰富的实践经验,使用的工具进行彻底消毒,以免病毒的侵入。原种生产田必须与外界其他易杂交的蔬菜植株严格隔离。生产的原种要饱满,色泽亮丽,为生产F_1种子做好前期准备。苗床内的两个亲本品种,若发现异株应及时清除,保证两个亲本的苗保持一致。
1 to increase the purity of the original seed production workers must have some of the professional knowledge and rich practical experience, the use of tools for thorough disinfection to prevent the invasion of the virus. The original production field must be strictly isolated from the other easily crossed vegetable plants. Production of the original species to full, bright color, for the production of F_1 seeds well prepared. Seedlings within the two parental varieties, if found different strains should be promptly removed, to ensure that the two parents of the same vaccine.