| 洪湖微齿眼子菜种群遗传多样性研究 |
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| 引用本文： | 夏立群,李群强,李伟.洪湖微齿眼子菜种群遗传多样性研究[J].广东海洋大学学报,2006,26(1):7-11. |
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| 作者姓名： | 夏立群 李群强 李伟 |
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| 作者单位： | 1. 中国科学院武汉植物研究所,武汉,430072;广东海洋大学水产学院,广东,湛江,524025
2. 中国科学院武汉植物研究所,武汉,430072 |
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| 摘 要： | 采用RAPD方法研究了洪湖微齿眼子菜种群的遗传多样性,并初步探讨了它的遗传结构及影响因素。在97个RAPD标记中有28条(28.87%)是多态性标记,Shannon信息多样性指数分析表明该种群总的遗传多样性为0.193,说明洪湖微齿眼子菜种群的遗传多样性水平较低。研究发现距离和种群发展历史对洪湖微齿眼子菜种群的遗传结构有重要影响。
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| 关 键 词： | 微齿眼子菜 遗传多样性 种群发展历史 RAPD 洪湖 |
| 文章编号： | 1007-7995(2006)01-0007-05 |
| 修稿时间： | 2005年4月20日 |
Genetic Diversity of Potamogeton maackianus A.Benn.In Honghu Lake |
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| XIA Li-qun,LI Jian-qiang,LI Wei.Genetic Diversity of Potamogeton maackianus A.Benn.In Honghu Lake[J].Journal of Zhanjiang Ocean University,2006,26(1):7-11. |
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| Authors: | XIA Li-qun LI Jian-qiang LI Wei |
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| Abstract: | The genetic diversity of Potamogeton maackianus A.Benn.in Honghu Lake was studied using random amplified polymorphic DNA(RAPD),and the genetic structure and its influence factors were discussed.Totally,97 bands were amplified and 28 bands(28.87%) were polymorphic.The Shannon index was used to measure genetic diversity,and the genetic diversity was 0.193.The population of Potamogeton maackianus A.Benn.in Honghu Lake showed relatively low level of genetic diversity.Distance and the development history of population were found significantly affected the genetic structure in population. |
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| Keywords: | Potamogeton maackianus RAPD genetic diversity development history of population Honghu Lake |
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