| 普通小麦对仓储害虫玉米象的抗性QTL分析 |
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| 引用本文： | 陈振鸿,李俊,魏会廷,刘亚西,李朝苏,邓梅,李净琼,王际睿,魏育明,杨武云,郑有良.普通小麦对仓储害虫玉米象的抗性QTL分析[J].作物学报,2012,38(2):369-373. |
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| 作者姓名： | 陈振鸿 李俊 魏会廷 刘亚西 李朝苏 邓梅 李净琼 王际睿 魏育明 杨武云 郑有良 |
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| 作者单位： | 1四川农业大学小麦研究所，四川成都 611130；2四川省农业科学院作物研究所，四川成都 610066 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)项目(2011CB100100)资助 |
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| 摘 要： | 以普通小麦品种川农16与人工合成小麦衍生品种川麦42为亲本构建了含有127个株系的重组自交系(RIL)群体，将2008和2009年收获的种子用玉米象(Sitophilus zeamais)虫卵进行接种，并于2009年11月开始储藏，次年8月和10月进行虫害调查。利用复合区间作图法(CIM)对RIL群体的抗虫性进行QTL定位分析。利用2008年收获群体检测到位于3B、2D和3D染色体的3个QTL，贡献率依次为10.2%、8.5%和8.3%；利用2009年收获群体检测到位于3D和4B的2个QTL，贡献率分别为8.5%和11.3%。位于3D染色体Xbarc6–Xgwm112标记区间内的QTL在年度间重复检测到，贡献率为8.3%~8.5%，抗性位点来自川农16。
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| 关 键 词： | 普通小麦 QTL定位 玉米象抗性 |
| 收稿时间： | 2011-06-16 |
Resistance QTL Mapping Analysis for Storage Pest Sitophilus zeamais in Wheat |
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| CHEN Zhen-Hong,LI Jun,WEI Hui-Ting,LIU Ya-Xi,LI Chao-Su,DENG Mei,LI Jing-Qiong,WANG Ji-Rui,WEI Yu-Ming,YANG Wu-Yun,and ZHENG You-Liang.Resistance QTL Mapping Analysis for Storage Pest Sitophilus zeamais in Wheat[J].Acta Agronomica Sinica,2012,38(2):369-373. |
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| Authors: | CHEN Zhen-Hong LI Jun WEI Hui-Ting LIU Ya-Xi LI Chao-Su DENG Mei LI Jing-Qiong WANG Ji-Rui WEI Yu-Ming YANG Wu-Yun and ZHENG You-Liang |
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| Institution: | 1.Triticeae Research Institute, Sichuan Agricultural University, Chengdu 611130, China;2.Crop Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China |
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| Abstract: | Quantitative trait loci(QTLs) associated with Sitophilus zeamais resistance were identified using a population(127 re-combined inbred lines) from wheat cross Chuannong 16×Chuanmai 42.In a stimulated storage environment,adult,larva,and egg of S.zeamais were artificially fed with wheat seeds harvested in 2008 and 2009,respectively.Five QTLs located on chromosomes 3B,2D,3D,and 4B were detected with phenotypic contributions of 10.2%,8.5%,8.3%,8.5%,and 11.3%,respectively.The QTLs lo-cated between Xbarc6 and Xgwm112 on chromosome 3D were identified in seeds from both growing years,which explained 8.3-8.5% of the phenotypic variance.The positive allele on this locus was from parent Chuannong 16. |
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| Keywords: | Common wheat QTL mapping Resistance to Sitophilus zeamais |
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