黑龙江省伊春市友好食用菌研究所分离选育的黑木耳菌种“Ａｕ9”于 2 0 0 1年 2月 9日通过省科学院组织的省级专家鉴定。该菌种是该所在小兴安岭林区采集的野生耳经分离后栽培驯化选育出来的。该品种从 1996年开始推广 ,栽培区域由东三省扩大到浙江、湖北、甘肃省部分地区 ,取 The black fungus strain “Au9” isolated and bred by Institute of Friendly Edible Fungus in Yichun City, Heilongjiang Province was appraised by provincial experts organized by the Provincial Academy of Sciences on February 9, 2001. The strain is located in the small Xing’an Mountains collected wild wild ear after cultivation and domestication breeding out. The variety has been popularized since 1996, and the cultivation area has been expanded from the three northeastern provinces to parts of Zhejiang, Hubei and Gansu provinces.