LI Hai-yan,CAI De-li,DUAN Yu-xi,et al.Genetic Analysis of Resistance to Soybean Cyst Nematode (SCN) Race 3 in Soybean Germplasm Wuzhaiheidou[J].Soybean Science,2017,36(01):12-16.[doi:10.11861/j.issn.1000-9841.2017.01.0012]
五寨黑豆对大豆胞囊线虫3号生理小种的抗性遗传分析
- Title:
- Genetic Analysis of Resistance to Soybean Cyst Nematode (SCN) Race 3 in Soybean Germplasm Wuzhaiheidou
- 文献标志码:
- A
- 摘要:
- 大豆胞囊线虫3号生理小种是东北大豆产区分布最广、危害最大的生理小种,五寨黑豆对包括大豆胞囊线虫3号生理小种在内的7个生理小种具有高抗性。以黑龙江省主栽品种合丰35为母本,与五寨黑豆进行杂交,通过鉴定F2、F3代对大豆胞囊线虫3号生理小种的抗性,研究了五寨黑豆对大豆胞囊线虫抗性遗传。结果表明:在以合丰35为遗传背景下,五寨黑豆对SCN 3号生理小种的抗、感分离比例符合孟德尔遗传规律中1∶3的分离比例,表明五寨黑豆对SCN 3号生理小种的抗性是由1对隐性基因控制。
- Abstract:
- Soybean cyst nematode (SCN) race 3 is widely distributed and severely harmed soybean yield in the main soybean producing area of northeastern of China. Wuzhaiheidou can resist 7 races containing SCN races 3. In this study, genetic resistance of soybean germplasm to SCN race 3 was studied with the populations of F2 and F3 lines in crosses of Hefeng 35 and Wuzhaiheidou. The results showed that the separation ratio of Wuzhaiheidou resistance to SCN race 3 was 1∶3 in according with Mendel laws. It was cleared that the resistance of Wuzhaiheidou to SCN races 3 was controlled by one recessive gene.
参考文献/References:
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备注/Memo
基金项目:农业部公益性行业科研专项(201103018,200903040-03);国家自然科学基金(31171823);国家现代农业产业技术体系(CARS-04-PS13)。第一作者简介:李海燕(1966-),女,博士,教授,主要从事植物病理学教学和研究工作。E-mail: byndlihy@126.com。