为使黑木耳生产拥有良好的种源供应，防止因菌种退化而挫伤栽培者的积极性，我们进行了辽宁东部山区野生黑木耳的采集工作，并利用这些试材进行黑木耳优良菌种选育。经过近４年的选育试验，初步选出了０９号优良菌株。１野生耳木的采集、分离与纯化１．１野生耳木的采集　我们 In order to make the black fungus production have a good supply of provenances and prevent the enthusiasm of cultivators due to the degradation of the fungi, we carried out the collection of the wild black fungus in the mountainous area of ​​eastern Liaoning and used these materials to carry out the breeding of the excellent fungus of black fungus . After nearly 4 years of breeding test, initially selected 09 good strain. 1 Wild ear wood collection, isolation and purification 1.1 Wild ear wood collection us