东农L-10对大豆胞囊线虫3号生理小种的遗传模型分析  

Genetic Model Analysis on Resistance of cv. Dongnong L-10 to Race 3 of Soybean Cyst Nematode

作　　者：吴德鹏[1] 赵月[1] 盛碧涵 刘兵[1] 韩英鹏[1] 赵雪[1] 李文滨[1] 

机构地区：[1]东北农业大学农学院/大豆生物学教育部重点实验室/大豆生物学与遗传育种农业部重点实验室,黑龙江哈尔滨150030

出　　处：《大豆科学》2016年第3期367-372,共6页Soybean Science

基　　金：国家自然科学基金(31201227;31301339);国家"十二五"科技支撑计划(2011BAD35B06-1);国家现代农业产业技术体系(CARS-04-PS04);中国博士后项目(20110491024);黑龙江省教育厅科学技术研究项目(12541049)

摘　　要：为明确非小种特异性抗病大豆种质东农L-10对大豆胞囊线虫3号生理小种的抗性遗传模式,以东农L-10为共同父本,分别以感病品种黑农37、绥农10号和绥农14为母本,构建了3个F_（2∶10）重组自交系群体,利用酸性品红染色法对3个群体进行SCN 3号生理小种的抗性鉴定,结果表明：亲本间雌虫指数均存在较大差异,群体雌虫指数符合连续正态分布,后代中抗病株系不存在显著的超亲效应。利用主基因＋多基因混合遗传模型对抗性鉴定数据进行遗传模型解析,发现东农L-10对抗大豆胞囊线虫3号生理小种的抗性符合主基因＋多基因遗传模型,在不同遗传背景条件下,均存在2~3个主基因控制3号生理小种的抗性,以上研究结果为挖掘东农L-10的主效抗病位点和分子辅助选育高抗SCN 3号生理小种的大豆品种提供理论依据。Soybean cultivar Dongnong L-10 was resistant to many soybean cyst nematode（ SCN） races such as the race 1,3,4 and 14. In order to mine the resistance loci of soybean Dongnong L-10,three recombinant inbred line（ RIL） population were constructed by using Dongnong L-10 as common male parent and using the susceptible varieties（ cultivars） Heinong 37,Suinong 10 and Suinong 14 as the female parents and were advanced by single-seed-descent. Resistance identification of SCN resistance to three populations was carried out by acid magenta dying method and the analysis of the genetic model of the SCN resistance were conducted by using main gene and multi gene mixed genetic model methods. This study provide a theoretical foundation for the cultivation of high resistant of SCN race 3 soybean varieties to choose the right breeding methods.

关 键 词：大豆胞囊线虫 遗传分析 遗传模型 

分 类 号：S435.651[农业科学—农业昆虫与害虫防治]