柏树火焰层孔菌菌丝体的液体培养

柏树火焰层孔菌是柏树的病原菌物,是中国和亚洲的新记录属中的新记录种。本文采用液体发酵的方法对菌丝体生长的营养条件等生物学特性进行了研究。结果表明,柏树火焰层孔菌菌丝体生长最适碳源为淀粉,最适氮源为麸皮,P、K、Mg对其菌丝的生长具有促进作用,Fe、Zn对其菌丝生长具有显著抑制作用。通过生长曲线试验得到Logistic方程:y=0.22/(1+ 1.019 e^-0.013x),菌丝体干质量为0.22 g·100 mL^-1。

The Liquid Cultivation of the Mycelia of Pyrofomes demidoffii

Pyrofomes demidoffii is a new recorded species of the new recorded genus in the China and Asia, and a pathogenic fungus of juniper. Adopting the liquid fermentation to study its biological characteristics such as vegetal nutrition condtion of mycelia, the results indicated that the mycelia of P. demidoffii could be produced by liquid fermentation process. Starch and bran were the optimum carbon and nitrogen source, and P, K, Mg had the effection of acceleration to the growth of mycelia, Fe, Zn inhibited its growth. The growth curve of the logistic equation was deduced: y=0.22/(1+1.019e^-0.013x), the weight of the dry mycelia was 0.22 g·100 mL^-1.