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一、菌种未成活。播种后二个月左右,如发现种穴内菌种发黑,并且已经沤烂,说明菌种已经死亡。发生这个问题的原因主要是菌种质量低劣,播种质量差,穴盖未盖紧、盖严,雨水进入了种穴。防治办法:一是要选用优良菌种。凡未经科研部门筛选试验的品种,不能推广种植。生产菌种时不能用霉变、腐烂变黑、木耳生长不好的木屑。据试验,单一的杂木屑比混杂木屑好,黄栎树比枫木树木屑好,不用松、杉木屑。栽培种配料按杂木屑78％、油糠20％、石膏1％、白糖
First, the strain is not living. About two months after sowing, if it is found that the germ in the germ is black and has been rotten, it indicates that the species has died. The main reason for this problem is the poor quality of the strain, poor sowing quality, tightness of the hole cover, tight cover and rainwater entering the seed hole. Control measures: First, we must choose good strains. Where without the scientific research departments to test the varieties, can not promote the planting. Production strains can not be mildewed, decay black, poor growth fungus sawdust. According to the test, a single hybrid sawdust better than mixed sawdust, yellow oak trees maple better than pine, pine litter. Cultivated species ingredients by 78% sawdust, oil bran 20%, 1% gypsum, sugar