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近几年来,我省菇农纷纷反映平菇因菌种退化而直接影响到经济收入.多数人认为,这与菌种厂多次进行母种转接有关.为此,我们对几个生产上常用的平菇菌种,进行了转管次数与产量的相关性对比试验,现将结果报道如下:(一)供试菌种①佛罗里达,引自上海农科院食用菌研究所,经多孢分离,做出菇试验后备用,简称佛多.②佛罗里达,引种单位同上,经单孢分离,做出菇试验,选较好单株备用,简称佛单.③濉平,引自安徽省生物研究所.④低温凤尾菇,引自北京农业大学.(二)培养条件将供试材料全部用PDA培养基转接,培养温度为22~25℃.每次转管8~10天长满
In recent years, mushroom farmers in our province have one after another reflect the degradation of Pleurotus a direct impact on economic income due to strain degradation. Most people think that this is with the plant species transfer multiple mother-related. To this end, we on several production Commonly used mushroom strains, the number of tubes and yield correlation test, the results reported below: (A) test species ① Florida, cited from the Shanghai Academy of Agricultural Sciences Institute of Edible Fungi, Separation, making mushroom test reserve, referred to as the Buddha more. ② Florida, the introduction of the same units, the separation of monosodium glutamate, mushroom test, choose a better plant stand-alone, referred to the Buddha single. Institute.④Low temperature Pleurotus ostreatus, citedBeijing Agricultural University. (B) of the culture conditions All materials to be tested with PDA medium transfer, culture temperature is 22 ~ 25 ℃. Each transfer tube over 8 to 10 days