1986年春,我们试用北京杨树枝条制备木耳原种,收到了较好的效果。其方法是:①将修剪下的杨树枝条(粗细均可),剥去外皮,截成10厘米左右长(视菌种瓶高度而定),再劈成薄的小木条,放在清水中浸24小时,捞出控水,趁湿与少许麸皮掺拌,使其周围沾上麸皮。②将小木条竖直装入培养瓶中,然后在表面覆盖一薄层棉籽壳培养基(棉籽壳93%,麸 In the spring of 1986, we tried Beijing poplar branches to produce fungus seeds and received good results. The method is: ① under pruning poplar branches (thickness can be), stripped of the skin, cut into about 10 cm long (depending on the height of the bacteria bottle), and then split into thin strips, placed in clean water Baptist 24 hours, remove and control the water, while wet and a little bran mix, so that the surrounding stained with bran. (2) Insert the vertical strips into the culture flask and cover the surface with a thin layer of cottonseed shell culture medium (93% cotton seed hull, bran