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Characterization of Quantitative Trait Loci for Grain Minerals in Hexaploid Wheat (Triticum aestivum L.)

文献类型： 外文期刊

作者： Shi Rong-li 1 ; Tong Yi-ping 2 ; Jing Rui-lian 3 ; Zhang Fu-suo 1 ; Zou Chun-qin 1 ;

作者机构： 1.China Agr Univ, Ctr Resources Environm & Food Secur, Dept Plant Nutr, Beijing 100193, Peoples R China

2.Chinese Acad Sci, Inst Genet & Dev Biol, Minist Sci & Technol, State Key Lab Plant Cell & Chromosome Engn, Beijing 100101, Peoples R China

3.Chinese Acad Agr Sci, Inst Crop Sci, Beijing 100081, Peoples R China

关键词： grain minerals;nitrogen;QTLs;winter wheat

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2013 年 12 卷 9 期

页码：

收录情况： SCI

摘要： Wheat is an important source of essential minerals for human body. Breeding wheat with high grain mineral concentration thus benefits human health. The objective of present study was to identify quantitative trait loci (QTLs) controlling grain mineral concentration and to evaluate the relation between nitrogen (N) and other essential minerals in winter wheat. Wheat grains were harvested from field experiment which conducted in China and analyzed for this purpose. Forty-three QTLs controlling grain mineral concentration and nitrogen-related traits were detected by using a double haploid (DH) population derived from winter wheat varieties Hanxuan 10 and Lumai 14. Chromosomes 4D and 5A might be very important in controlling mineral status in wheat grains. Significant positive correlations were found between grain nitrogen concentration (GNC) and nutrients Fe, Mn, Cu, Mg concentrations (FeGC, MnGC, CuGC, MgGC). Flag leaf N concentration at anthesis (FLNC) significantly and positively correlated with GNC, FeGC, MnGC, and CuGC. The study extended our knowledge on minerals in wheat grains and suggested which interactions between minerals should be considered in future breeding program.

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