| 烟草Ti245抗烟草花叶病毒的遗传分析及抗性基因定位 |
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| 引用本文： | 许石剑,李永平.烟草Ti245抗烟草花叶病毒的遗传分析及抗性基因定位[J].湖南农业大学学报(自然科学版),2011,37(2):123-126. |
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| 作者姓名： | 许石剑 李永平 |
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| 作者单位： | 1. 中国烟草育种研究(南方)中心云南省烟草农业科学研究院,云南,玉溪,653100;湖南农业大学农学院,湖南长沙,410128
2. 中国烟草育种研究(南方)中心云南省烟草农业科学研究院,云南,玉溪,653100 |
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| 基金项目： | 云南省农业科技攻关计划项目 |
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| 摘 要： | 以含抗烟草花叶病毒(TMV)基因的烟草Ti245为抗病亲本,以K326为感病亲本,经杂交得到F1,F1自交得到F2群体,分析了Ti245抗TMV的遗传规律,并对抗性基因进行SSR标记定位.结果表明:Ti245对TMV的抗性由1对隐性基因控制;基因定位发现,Ti245抗TMV的位点位于LG9连锁群,标记*Tp217200...
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| 关 键 词： | 烟草 烟草花叶病毒 遗传分析 基因定位 |
| 收稿时间： | 2010/5/8 0:00:00 |
| 修稿时间： | 2010/6/23 0:00:00 |
Genetic Analysis and Mapping of Resistance to TMV for Tobacco Variety Ti245 |
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| Xu Shijian and Li Yong-ping.Genetic Analysis and Mapping of Resistance to TMV for Tobacco Variety Ti245[J].Journal of Hunan Agricultural University,2011,37(2):123-126. |
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| Authors: | Xu Shijian and Li Yong-ping |
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| Abstract: | Group F1 and F2 were constructed through hybridization and selfing by using Ti245 as the resistant parents and K326 as the susceptible parent. The inheritance of resistance to TMV from tobacco variety Ti245 was analyzed, and then SSR markers linked to the resistant gene were identified. The results showed the resistance of Ti245 to TMV was controlled by one pair of recessive genes. The region of the resistance of Ti245 to TMV was mapped on LG9; The distance between the *Tp217200 and the objective gene was the nearest, and the genetic distance was 3.3cM from the region of resistance to TMV. |
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| Keywords: | Tobacco Tobacco Mosaic Virus Genetic Analysis Gene Mapping |
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