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将从甜菜根腐病病株上分离并经鉴定的典型菌株 ,采用离体、室内盆栽、田间土壤接菌、田间伤根等不同方法做接种试验。结果表明 ,几种方法都可使甜菜表现出根部腐烂或维管束变色等类似根腐病的症状。其中离体和田间伤根两种接种方法的发病率最高 ,其余两种接种方法较果较差 ,但也有部分甜菜表现了维管束变色和块根腐烂的根腐病症状。
The typical strains isolated from beet root rot disease and identified by in vitro, indoor potted, field soil inoculation, field wounds and other different methods of vaccination. The results show that several methods can make beet root rot or vascular discoloration and other symptoms of root rot. Among them, the two inoculation methods in vitro and in the field were the highest, and the other two inoculation methods were inferior, but some of them also showed the symptoms of vascular root discoloration and root rot.