一株高效溶磷小麦内生菌的筛选与鉴定

被引：5

作者：

蒋国彪

马沁沁

方志轩

雍彬

刘欣林

王一丁

机构：

[1] 四川师范大学生命科学学院

来源：

四川师范大学学报(自然科学版) | 2012年 / 35卷 / 01期

关键词：

溶磷; 土壤芽胞杆菌; 内生菌; 筛选; 鉴定;

D O I：

暂无

中图分类号：

S144.9 [其他];

学科分类号：

摘要：

从小麦根、茎、叶分离出21株溶磷微生物,筛选出溶磷能力最强的菌株JG-22,经形态特征、生理生化分析及16S rDNA序列分析,确定其为土壤芽孢杆菌(Brevibacillus agri strain).研究表明,JG-22对Ca3(PO4)2溶解能力最强;pH值对菌株JG-22溶磷效果影响最明显,在34～36℃和弱碱性环境下,溶磷效果较好;培养72 h后增加培养时间对有效磷的增量影响不大;Ca3(PO4)2含量在5 g/L以上时加大其含量对有效磷的增量几乎无影响.

引用

页码：122 / 126

页数：5

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