蘑菇褐斑病又名干泡病,分布较为普遍,在菇床上常有发生,危害很大。症状发病时多在菌柄、菌伞、菌褶上形成褐色斑点,并凹陷,病菇往往失去坚韧性,呈畸形。严重时蘑菇可以腐烂。幼菇发病多产生变形现象,菌伞边缘呈锯齿状缺刻,或菌柄弯曲,有的形如葱头,菌柄粗于菌盖。在大菇上发病 Mushroom brown spots, also known as dry foam disease, the distribution is more common in mushroom bed often occur, a great harm. Symptoms of onset in the stipe, bacteria umbrella, plaque formed brown spots, and depression, mushrooms tend to lose tenacity, was deformed. Mushrooms can rot in severe cases. Mushrooms produce more deformation phenomenon, serrated mushroom edge was serrated nicks, or stipe bending, and some shaped like onions, stipe stout than the cover. On the big mushroom disease