Mo17及其衍生系氮素利用效率研究  

Study on Nitrogen Use Efficiency of Mo17 and Its Derived Lines

作　　者：孔令杰[1] 董树亭[1] 张吉旺[1] 刘鹏[1] 冯素飞[1] 

机构地区：[1]作物生物学国家重点实验室/山东农业大学农学院,山东泰安271018

出　　处：《山东农业科学》2009年第7期42-44,共3页Shandong Agricultural Sciences

基　　金：国家"973"计划项目(2006BAD0Z909);国家自然科学基金(30871476;30771282)项目;山东省农业良种工程(鲁科2008;167号)项目;山东省农业重大应用技术创新课题

摘　　要：通过对Mo17及15个衍生系的产量统计与氮素含量的测定,研究其氮素利用变化规律。结果表明:Mo17的衍生系产量与氮素收获指数提高不明显;氮素积累的变异较大,Mo17及其衍生系在提高氮素利用效率方面有一定的挖掘潜力。通过对产量、氮素积累总量、氮素收获指数、氮素利用效率进行聚类分析,可将Mo17及其衍生系分为5类,其中Mo17、齐35、吉1037、获唐黄17、412为产量高、氮素积累总量高、氮素收获指数高、氮素利用效率高的类型。The yields and nitrogen contents of Mo17 and its 15 derived lines were tested in order to discuss the nitrogen accumulation and nitrogen use efficiency. The results showed that the yields and nitrogen harvest indices of the derived lines didn＇ t increase evidently, while the variation of nitrogen accumulation was larger. As a result, Mo17 and its derived lines had the potential in improving the nitrogen use efficiency. Mo17 and its derived lines could be divided into 5 categories by cluster analysis on yield, total nitrogen accumulation, nitrogen harvest index and nitrogen use efficiency; of which Mo17, Qi35, Ji1037, Huotanghuang17 and 412 possessed high yield, high total nitrogen accumulation, large nitrogen harvest index and high nitrogen use efficiency.

关 键 词：玉米 MO17 衍生系 氮素利用效率 

分 类 号：S513.01[农业科学—作物学]