Cylindrocarpon distructans(Zins)广泛分布于国外人参产区土壤中,严重引起人参锈腐病(国外称为根腐病)。辽宁省是人参主产区之一,一般发病率在90％以上,造成减产30％左右,危害以吉林、 Cylindrocarpon distructans (Zins) are widely distributed in the soil of ginseng producing areas in the world, which cause serious ginseng rust (known as root rot in foreign countries). Liaoning Province is one of the main producing areas of ginseng, the general incidence of more than 90%, resulting in about 30% reduction in output, endangering the Jilin,