甘蔗联合固氮的回顾与展望

被引:4
作者
林丽 [1 ]
李杨瑞 [1 ]
安千里 [2 ]
机构
[1] 广西壮族自治区农业科学院甘蔗研究所
[2] 浙江大学生物技术研究所
基金
浙江省自然科学基金;
关键词
固氮; 非豆科植物; 内生细菌; 根瘤菌; 核心微生物菌群; 合成功能菌群;
D O I
10.13560/j.cnki.biotech.bull.1985.2019-0901
中图分类号
S566.1 [甘蔗];
学科分类号
0901 ;
摘要
在巴西,某些甘蔗品种能通过生物固氮获得生长所需氮素。对甘蔗根际固氮菌和内生固氮菌的研究曾引领了非豆科植物联合固氮的研究。内生固氮菌Gluconacetobacter diazotrophicus表现出很多特性,与Herbaspirillum seropedicae、H.rubrisubalbicans、Nitrospirillum amazonense和Paraburkholderia tropica组成的固氮菌剂能联合甘蔗固氮并促进甘蔗生长。近年来的研究发现分类上属于Bradyrhizobium和Rhizobium等属的根瘤菌在与甘蔗联合的核心固氮菌群之中,以不结瘤的方式在甘蔗体内活跃地表达固氮酶基因。综述了这些甘蔗联合固氮菌的特色研究并探讨优化甘蔗联合固氮的策略。
引用
收藏
页码:46 / 56
页数:11
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