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在分离和转接母种时,一般是用棉花做塞,但用棉花做塞有如下弊端:①技术性高,太松太紧都不行;③棉塞如受潮,母种就会受污染Z③保存菌种室内若湿度大,也会因棉花受询而感染杂菌。笔者在实践中用包装箱的填充杨泡沫塑料板来代替棉塞,收到了满意效果。具体做法:将泡沫板割成条,浸在
In the separation and transfer of mother species, the general use of cotton plug, but with cotton plugs have the following disadvantages: ① high technology, too loose too tight will not work; ③ tampons such as damp, the mother will be contaminated Z ③ save If the bacteria indoor humidity, but also due to cotton interrogation and miscellaneous bacteria. In practice, the author filled the foam plastic board with packing boxes to replace the cotton plug, and received satisfactory results. Specific approach: the foam board cut into strips, immersed in