草菇在出菇期间，经常出现幼小菇蕾萎缩、变黄、最后死亡的现象。现将死菇原因及其防止措施介绍如下：一、用水不当死菇。在高温下大量喷水，使幼菇蕾表面蒙上一层水膜，呼吸代谢受阻而萎蔫死菇。尤其在通气不良和二氧化碳过浓的情况下更为严重。防止措施：（１）从调好料的水 Mushroom in the fruiting period, often young mushroom buds shrink, yellowing, the final death phenomenon. The reasons for the dead mushroom and its prevention measures are described below: First, improper use of water dead mushrooms. A large number of water spray at high temperatures, so that the surface of young mushrooms covered with a layer of water film, respiratory metabolism blocked wilting dead mushrooms. Especially in the case of poor ventilation and carbon dioxide is too serious. Preventive measures: (1) from the good material water