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利用高代回交重组自交系群体定位玉米部分农艺性状的QTL 被引量:2

Mapping QTLs of some agronomic traits in maize with a population of advanced backcrossing RILs
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摘要 以141份玉米高代回交重组自交系群体(RIL)及受体亲本黄早四于2011年在黄冈市农业科学院试验基地、2011和2012年在武汉市华中农业大学校内试验基地进行田间试验,对穗长、穗粗、株高、穗位高、吐丝期、散粉期、雄穗分枝数等7个农艺性状进行QTL分析。结果表明:7个农艺性状共检测到18个主效QTL,单个QTL的贡献为9.79%~37.35%,其中4个QTL在多个环境下同时检测到,5个QTL与前人的报道结果一致。 Plant height,ear height,ear length,ear diameter,tassel branch number,date to silk and date to pollen shedding are important agronomical traits in maize.In this study, a population of 141 RIL lines was used to map quantitative trait locus (QTL) of seven agronomic traits under three di{ferent en- vironments.A total of 18 QTLs associated with the seven traits were detected.Individual locus explained 9.79% to 37.35 % of phenotypic variance.Four of them were detected under more than one environment, and 5 QTLs were the same as those reported previously. It will provide basis for improving these agro- nomic traits in maize.
出处 《华中农业大学学报》 CAS CSCD 北大核心 2015年第4期8-12,共5页 Journal of Huazhong Agricultural University
基金 国家自然科学基金项目(J1103510)
关键词 玉米 农艺性状 QTL maize (Zea rnays L.) agronomic trait quantitative trait locus (QTL)
作者简介 李文振,硕士研究生.研究方向:玉米分子遗传学.E—mail:wenzhenli1789@yeah.net 通信作者:岳兵,博士,副教授.研究方向:玉米分子遗传学.E-mail:yuebing@mail.hzau.edu.cn
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