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核桃肉瘤菌也叫胡桃肉状菌或菜花菌,生物学分类属于子囊菌亚门的裸囊菌科德氏菌属的小孢德氏菌也叫狄氏裸囊菌,学名(Diehiomyces microsporus(Diehl.&Lambert)Gilkey),是一种土生霉菌,原来主要在双孢菇菌床或堆肥上发生,是一种竞争性的恶性杂菌,现在据报道可以侵染多种食用菌,近年来,在平菇栽培中时有发生,核桃肉瘤菌即狄氏裸囊菌(以下简称狄氏菌)一旦发生,很难根除,如果在发菌初期感染此菌可以造成绝收,采收期发病一般在第二潮菇以后发生,可造成减产三分之一以上。狄氏菌菌丝白色粗壮、多分枝、有隔膜,可以与多种食用菌菌丝混合竞争生长,特别与平菇菌
Walnut sarcoma also known as Walnut fungus or cauliflower, the biological classification belongs to the Ascomycete nucifera Corynebacterium ssp. Parvum, also known as Dictyosarcoma dysentery, scientific name (Diehlomyces microsporus (Diehl . & Lambert) Gilkey, an indigenous mold that originally occurred mainly on the Agaricus bisporus bed or compost, is a competing malignant bacterium that is now reported to infect many edible mushrooms. In recent years, In case of cultivation, walnut sarcoma bacteria, ie, Dictyostelium discoideum (hereinafter referred to as D2 bacteria), are hard to be eradicated. If the bacteria in the early stage of germination can cause absolute failure, harvesting usually occurs in the second tide Mushroom occurred later, can cause more than one-third reduction. Drosophila mycelium white stout, multi-branched, with diaphragm, can compete with a variety of edible fungus mycelium growth, especially with mushroom