接种内生固氮菌对不同基因型甘蔗农艺特性的效应  

Effects of inoculating nitrogen fixing bacteria on agronomic characters in different sugarcane genotypes

作　　者：吴凯朝[1,2,3,4] 梁俊[1,3] 罗霆[2,4] 邢永秀[2,3] 杨丽涛[2,3] 李杨瑞[3,4] 

机构地区：[1]广西甘蔗研究所,南宁530007 [2]广西大学广西亚热带生物资源保护和利用重点实验室,南宁530005 [3]中国农业科学院甘蔗研究中心,广西南宁530007 [4]广西作物遗传改良生物技术重点开放实验室,南宁530007

出　　处：《广西农业科学》2010年第6期528-530,共3页Guangxi Agricultural Sciences

基　　金：广西自然科学基金项目(桂科基0778006-5);国家自然科学基金项目(30660085);国家科技支撑计划项目(2007BAD30B03);广西科技攻关重点项目(桂科攻0782004-3);广西科技攻关项目(桂科能0815011);现代农业产业技术体系建设专项资金项目(nycyrx-024-01-15)

摘　　要：把内生固氮菌株Y-1a分别接种到6个不同甘蔗材料GT24、GT9、YC84/153、GT18、CP65/357和F172中,在温室无氮栽培条件下,分别调查甘蔗株高、茎径、平均节间长度和单茎重,探讨接种内生固氮菌对不同基因型甘蔗农艺特性的效应。结果表明,与对照相比,接种内生固氮菌可在不同程度上促进不同基因型甘蔗植株的生长,增加株高、茎径、平均节间长度和单茎重。The present study was carried out to investigate the effects of inoculating nitrogen fixing bacteria in greenhouse on agronomic characteristics of different sugarcane genotypes.Six sugarcane varieties,viz.,GT24,GT9,YC84/153,GT18,CP65/357 and F172,were used as the materials and cultured under nitrogen-free culture condition,and the endophytic nitrogen fixing bacterium strain Y-1a was inoculated at 3-leaf stage in greenhouse.The plant height,stalk diameter,average internode length and average stalk weight in six sugarcane varieties were surveyed.The experimental results showed that the inoculation of the nitrogen fixing bacteria promoted the plant growth,and improved the plant height,stalk length,stalk diameter,average internode length and average stalk weight in all sugarcane varieties in certain degree as compared to the control.

关 键 词：甘蔗 生物固氮菌 接种 农艺特性 

分 类 号：S566.101[农业科学—作物学]