近年来我省段木栽培毛木耳发展很快,炭球(Dal-dinia concentrica)的危害也日趋严重,造成毛木耳减产10～40%。笔者进行了调查和防治方法试验,现简报如下:(一)形态识别菌体生长在毛木耳段木表面,有灰褐色、紫褐色球形、半球形或块状的子座,无柄或 In recent years, our province wood cultivation fungus rapid development, charcoal ball (Dal-dinia concentrica) also increasingly serious harm, resulting in 10% to 40% reduction of hair fungus. The author conducted a survey and prevention and control methods test, are briefed as follows: (a) morphological identification of bacteria growing in the wood surface of the fungus, with brown, purple brown spherical, hemispherical or massive seat, no handle or