甜菜枯萎病在吉林省甜菜产区均有发生,尤以老区为重。该病于1957年在公主岭市农科院甜菜地里首次发现,以后又在其它甜菜种植区发现,受害甜菜面积波及全省。从1976年开始,对吉林省5个县调查,发病率在27—98％;1977年中西部甜菜产区在70.3％;1983年调查了六个县,平均发病率在27.49％,严重地块高达96％。该病严重的影响产量,可使甜菜产量降低29.2—89.9％,严重地块造成绝产。其发病 Sugar beet wilt occurred in sugar beet producing areas in Jilin Province, especially in the old areas. The disease was first discovered in the beet field of Gongzhuling Academy of Agricultural Sciences in 1957, and later found in other beet planting areas, the affected beet area spread throughout the province. Since 1976, the survey of 5 counties in Jilin Province has seen an incidence rate of 27-98%. In 1977, the sugar beet production area in central and western China was 70.3%. In 1983, six counties were surveyed with an average incidence rate of 27.49% Up to 96%. The serious impact of the disease yield, sugar beet yield can be reduced 29.2-89.9%, resulting in serious mass of barren land. Its incidence