节点文献
紫云英根瘤菌培养基的选择与优化
Selection and Optimization of Medium for Rhizobium astragali
【摘要】 以中慢生华癸根瘤菌13004#菌株为供试菌株,进行YMAS、M、63#、TY和BSE 5种培养基筛选、碳氮源利用试验和正交设计试验。结果表明:该根瘤菌株在YMA中生长良好,最佳碳源为蔗糖,最佳氮源为酵母粉,最佳培养基成分配方为:蔗糖10 g/L,酵母粉3 g/L,K2HPO4 0.5 g/L,MgSO4.7H2O 0.02 g,NaCl 0.1 g/L,CaSO4 0.2 g/L,Rh微量元素液4 mL/L,pH 6.8~7.0。
【Abstract】 The middle-low growing strain Mesorhizobium huakuii 13004# was taken as experimental strain to conduct medium selection with five media(YMA medium,SM medium,63# medium,TY medium and BSE medium),utilizing experiments of carbon source and nitrogen source and orthogonal experiment.The results showed that the Mesorhizobium huakuii 13004# grew greatly in the YMA medium;the optimum carbon source is sucrose;the optimum nitrogen source is yeast powder;the optimum ingredients of medium is as follows: sucrose 10 g/L,yeast powder 3 g/L,K2HPO4 0.5 g/L,MgSO4·7H2O 0.02 g/L,NaCl 0.1 g/L,CaSO4 0.2 g/L,microelement liquid of Rh 4 mL/L and pH 6.8~7.0.
【Key words】 Rhizobium astragali; medium selection; medium optimization; orthogonal experiment; validation;
- 【文献出处】 湖南农业科学 ,Hunan Agricultural Sciences , 编辑部邮箱 ,2011年01期
- 【分类号】S551.9;S541.3
- 【被引频次】7
- 【下载频次】301