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黑胫病又叫腰烂病。病原是一种真菌。主要为害烟草根部和茎部。幼苗发病时,首先在茎基部发生黑斑,逐渐向上扩展而使幼苗枯死。防治方法:用95%敌克松,每亩用药350克,加细干土15～20
Black shank is also called bad waist disease. The pathogen is a fungus. Mainly harmful tobacco roots and stems. Seedling incidence, the first occurrence of dark spots in the base of the stem, gradually expanding upward and seedlings withered. Prevention and treatment methods: 95% of the enemy Kesi, 350 grams per mu medication, add fine dry soil 15 to 20