秦岭巴山地区,为左北界到东洋界的过渡地带,属亚热带至温带的过渡气候。气候湿润,雨量充沛,是黑木耳、香菇生长的良好基地。自八十年代初推广人工段木栽培及代料栽培以来,发展迅速,已成为该地经济收入的一个重要途径。但随之而来的是杂菌的种类及数量也越来越多,为害也越来越重。为了有效防治,从1988年到90年,我们对 Bashan area of ​​Qinling Mountains, the transition zone from the left boundary to the eastern boundary, is a subtropical to temperate transitional climate. Humid climate, abundant rainfall, is a black fungus, a good base for mushroom growth. Since the early 1980s, the promotion of artificial section of wood cultivation and substituting cultivation, the rapid development has become an important way of economic income. However, the accompanying species and the number of bacteria are also more and more, the damage is also more and more heavy. In order to effectively prevent and control, from 1988 to 1990, we are right