为筛选适于黑龙江省冷凉气候条件生产的优良双孢菇生产菌株，本研究从双孢菇产区引进5个主栽品种，以稻草、牛粪为原料经二次发酵，棚室内进行栽培对比试验，对各双孢菇菌株菌丝长势、出菇周期、子实体经济性状和产量进行比较分析。结果表明：双孢菇2796在冷凉气候下栽培萌发吃料快，出菇早，菇形洁白圆整，产量高，生物转化率达60.9%，可在我省推广应用。%To optimize the production strain of Agaricus bisporus which are suitable to grow at low temperature in Heilongjiang, five major cultivars form production areas of Agaricus bisporus were used for cultivation experiment in the greenhouse. Some properties,such as mycelial growth,fruiting period,the economic character and the yield of sporocarp,were analyzed during cultivation process using secondary fermented rice straw and cow dung as raw material. Results showed that Agaricus bisporus 2796 was the optimal cultivar. It could convert 60. 9 % of raw material to sporocarp. Moreover,the mycelia grew fast,the sporocarp formed early,the shape of sporocarp was white,round and tidy,and the yield was the highest.
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