在冬季栽培平菇，管理不善容易产生各种畸形菇，降低商品价值，从而降低经济效益。瘤盖菇菌盖表面出现瘤状或颗粒状突起物，在菇内称之为“起泡”或“起皱”，菌体表现生长缓慢。严重时，菌盖僵缩，菇体停止生长。预防措施：冬季栽植平菇时，必须弄清栽培品种的菇体正常生长发 Cultivating Pleurotus ostreatus in winter, mismanagement is easy to produce all kinds of miscellaneous mushrooms, reducing the value of commodities, thus reducing economic benefits. Capular mushroom cap appearance of tumorous or granular protrusions, called mushrooms in the “blistering” or “wrinkling”, the growth of bacteria showed slow. Serious, cap stiff, mushroom body to stop growing. Preventive measures: Planted mushrooms in winter, we must clarify the normal growth of cultivated mushroom body hair