The best prevention or treatment of viral diseases is "prevention." The prevention and treatment of cabbage virus disease is recommended as follows:
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First, the second choice of disease-resistant varieties, the best place to pay attention and radish so staggered.
Third, strengthen seedling management. High temperature and drought, not conducive to the growth and development of cabbage, but conducive to the propagation of aphid breeding activities, will expand the incidence area. Do a good job loose soil, water and fertilizer seedlings, generally susceptible to disease before the 8 leaf stage.
Fourth, treat squats. When sowing, 1% dimethoate granules or 1% quebrachopane granules are sprayed with the plow to kill aphids that flew to the cabbage early. 5 to 6 leaf stage re-spray 4O% dimethoate EC 1 000 times or pyrethroid acaricide to prevent caries.
Fifth, remove diseased plants in a timely manner.