拟青霉(Paecilomyces·sp)是自然界广泛分布的土壤微生物,也是引起多种菇类食用菌发病的土传真菌病害之一。近年来随着我市菜田和果园间作套种食用菌面积扩大,重茬增多,加之土壤、原料、用具等消毒不严,平菇(Piurotus·spp)、草菇(Voluariellauoluacea)鸡腿蘑(coprimus comatus muel-jexFr)等间套作菇床的拟青霉屡有发生,蔓延迅速,严重时成片覆盖于培养基表面,侵染 Paecilomyces sp. Is widely distributed in nature, soil microorganisms, but also caused a variety of fungus mushroom pathogens one of the diseases. In recent years, with the intercropping of vegetable fields and orchards in our city, the area of ​​edible mushrooms has increased, and the number of stubble increased. Besides, the soil, raw materials and utensils were not sterilized. Piurotus spp, copumatozus comatus muel -jexFr) and other intercropping mushroom bed often occur, spread rapidly, when in serious form a film covered on the surface of the medium, infection