在食用菌菌种生产中,经常可见到杂菌污染。特别是高温季节,以麸皮、米糠配合的培养料制作香菇、银耳、黑木耳等菌种时,如果掌握不当,污染率更高。造成菌种污染的原因很多,其中以培养料灭菌过程中瓶口棉塞受潮而导致污染的现象最为常见。受湖的棉花纤维,经高温分解成糖类 In the production of mushroom species, bacteria can often be seen contamination. Especially in the hot season, bran, rice bran with the training materials produced mushrooms, white fungus, black fungus and other species, if not properly controlled, the pollution rate is higher. Cause bacteria pollution for many reasons, of which the sterilization material in the process of tamponade tampon caused by pollution is most common. By the lake cotton fiber, the high temperature decomposition into sugars