人工点种黑木耳,一般定殖率较高,但也有点种不出或少出的。遇到这种情况,应分析原因,采取措施。 (一)原因 1.菌种本身质量不好。分离出的菌种生命力不强,适应自然环境的能力差,萌发力弱,易死亡。也有是由于菌种混有杂菌而降低了菌种质量。 Artificial black fungus point species, the general rate of colonization is higher, but also a little out of species or less. In such a situation, we should analyze the reasons and take measures. (A) reasons 1. Strain itself is not good quality. Isolated strains of vitality is not strong, poor ability to adapt to the natural environment, germination weak, easy to die. There is also due to bacteria mixed with bacteria and reduce the quality of bacteria.