Sclerotinia sclerotiorum ( Lib) de Bary-a filamentous Ascomycete fungus with a wide host range and geographical distribution, which is one of the most non-specific, omnivorous and successful plant pathogens. 核盘菌SclerotiniaSclerotiorum(Lib)debary是一种放线状子囊真菌,其寄主范围和地理分布十分广泛,是一种相当严重的世界性植物真菌病害。