食用菌母种转管次数的多少,对菌种特性无明显影响,不会引起菌种退化,这一论点不少科学工作者在试验中均已得到证实,笔者在试验中也得出了同样的结论。但菌种保藏与菌种退化的关系如何?为此,我们做了些小试验,进行了一些探讨。 Edible mushroom mother tube number of times, no significant effect on the characteristics of bacteria, does not cause strain degradation, this argument many scientists have been tested in the experiment, the author also came to the same experiment Conclusion. However, the relationship between strain preservation and strain degeneration? For this reason, we have done some small trials, conducted some discussions.