论文部分内容阅读
在食用菌制种过程中,菌种试管和菌种瓶都用棉塞封口,棉塞的松紧程度以及塞入试管中的长度均难掌握,且棉塞易受潮而引起杂菌孳生。为了简化菌种生产操作,笔者试用橡皮塞打孔填海绵作封口塞,取得了
During the process of edible fungus breeding, both the strain test tube and the seed germ bottle are sealed with a cotton tampon. The tightness of the tampon and the length of the test tube are hard to be grasped, and the cotton tampon is easily affected by the tide and causes the bacteria to breed. In order to simplify the production of bacteria, I tried rubber plug perforated sponge sealing plug, made