小麦茵核性根腐病Sclerotium rolfsii Sacc,为半知菌亚门小核菌属,白绢病菌。从文献看,我国山东、江苏两省均有发生,但目前国内外研究不多。近年来,在冀东地区发病面积逐年上升,是目前生产上急需解决的问题。本文对该病的症状、病原、发病规律、分级标准和防治方法进行了初步的探讨。 Sclerotium rolfsii Sacc, a fungus belonging to the genus Semperucidium, is a member of the family of Sclerotium rolfsii. From the literature, China’s Shandong and Jiangsu provinces have occurred, but few studies at home and abroad. In recent years, the incidence of Jidong area increased year by year, is the urgent need to solve the production problem. In this paper, the disease symptoms, pathogens, pathogenesis, grading standards and prevention methods were discussed.