A New QTL for Plant Height in Barley (Hordeum vulgare L.) Showing No Negative Effects on Grain Yield
文献类型： 外文期刊
作者： Wang, Junmei 1 ; Yang, Jianming 1 ; Jia, Qiaojun 1 ; Zhu, Jinghuan 1 ; Shang, Yi 1 ; Hua, Wei 1 ; Zhou, Meixue 2 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Crop & Nucl Technol Utilizat, Hangzhou, Zhejiang, Peoples R China
2.Univ Tasmania, Tasmanian Inst Agr, Kings Meadows, Tas, Australia
3.Univ Tasmania, Sch Land & Food, Kings Meadows, Tas, Australia
期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）
ISSN： 1932-6203
年卷期： 2014 年 9 卷 2 期
页码：
收录情况： SCI
摘要： Introduction: Reducing plant height has played an important role in improving crop yields. The success of a breeding program relies on the source of dwarfing genes. For a dwarfing or semi-dwarfing gene to be successfully used in a breeding program, the gene should have minimal negative effects on yield and perform consistently in different environments. Methods: In this study, 182 doubled haploid lines, generated from a cross between TX9425 and Naso Nijo, were grown in six different environments to identify quantitative trait loci (QTL) controlling plant height and investigate QTL 6 environments interaction. Results: A QTL for plant was identified on 7H. This QTL showed no significant effects on other agronomic traits and yield components and consistently expressed in the six environments. A sufficient allelic effect makes it possible for this QTL to be successfully used in breeding programs.
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