Two edible mushrooms of cap fungus (Pleurotus ostreatus) and yellow elm fungi (Pleurotus citrinopileatus) were cultivated based the main medium of crushed cassava stem and wood sawdust.The different mediums were subjected to observe on bacteria days of fungi,mycelium growth rate and yield,in order to determine the optimal cultivation matrix formula.The results show that adding 30％ cassava rod and 60％ sawdust cultivation of Pleurotus ostreatus and Pleurotus citrinopileatus formula,spawn running days were 25 days and 27 days,the mycelial growth rate were 0.49 mm/d and 0.48 mm/d,the total yield were 1.77,1.51 kg/pockets,respectively.In order to choice a optimal medium for cultivate mushrooms,we have analyzed the effects of two kinds of edible fungi based different substrates by the principal component analysis method.They showed there were two components can be divided into,which the cumulative contribution is 90.3％ and 88.0％ respectively.For this results,the evaluation model was established on the basis of the comprehensive evaluation to evaluate the formula 3 was the best formula for the cap fungus,and formula 1 was suitable for the Pleurotus citrinopileatus,which were based it's highest value.%以粉碎后木薯茎杆和木屑为主要培养基质栽培平菇、榆黄蘑两种食用菌,观察不同配比基质对两种食用菌的发菌天数、菌丝生长速度、产量情况,确定栽培基质最优配方.结果表明,配方中添加30％木薯杆和60％木屑栽培的平菇和榆黄蘑,发菌天数分别为25、27 d,菌丝生长速度分别为0.49、0.48 mm/d,总产量分别为1.77、1.51kg/袋.进一步主成分分析表明,不同配比基质对平菇和榆黄蘑两种食用菌生长特性影响可分为两个成分,其累积贡献分别90.3％、88.0％,在此基础上建立的评价模型表明配方3适合于平菇栽培,配方1适合于榆黄蘑栽培.
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