WU De-peng,ZHAO Yue,SHENG Bi-han,et al.Genetic Model Analysis on Resistance of cv. Dongnong L-10 to Race 3 of SoybeanCyst Nematode[J].Soybean Science,2016,35(03):367-372.[doi:10.11861/j.issn.1000-9841.2016.03.0367]
东农L-10 对大豆胞囊线虫3 号生理小种的遗传模型分析
- Title:
- Genetic Model Analysis on Resistance of cv. Dongnong L-10 to Race 3 of SoybeanCyst Nematode
- 分类号:
- S565. 1
- 文献标志码:
- A
- 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F2∶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。
- Abstract:
- Abstract: 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) populationwere 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 SCNresistance to three populations was carried out by acid magenta dying method and the analysis of the genetic model of the SCNresistance were conducted by using main gene and multi gene mixed genetic model methods. This study provide a theoreticalfoundation for the cultivation of high resistant of SCN race 3 soybean varieties to choose the right breeding methods.
参考文献/References:
[1] 靳学慧,辛惠普,郑雯,等. 长期轮作和连作对土壤中大豆胞囊线虫数量的影响[J]. 中国油料作物学报,2006,28 ( 2) : 189-193. ( Jin X H,Xin H P,Zheng W,et al. The influence of soilon the long - term rotation and continuous cultivation on soybeancyst nematode[J]. Chinese Journal of Oil Crop Sciences,2006,28( 2) : 189-193. )[2] Natarajan S,Tavakolan M,Alkharouf N,et al. SCNProDB: Adatabase for the identification of soybean cyst nematode proteins[J]. Bioinfomation,2014,10( 6) : 387-389.
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备注/Memo
基金项目: 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) 。