| 濒危植物白桂木的遗传多样性研究 |
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| 引用本文： | 范繁荣.濒危植物白桂木的遗传多样性研究[J].浙江林学院学报,2010,27(2):266-271. |
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| 作者姓名： | 范繁荣 |
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| 作者单位： | 福建三明林业学校,福建,三明,365001 |
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| 基金项目： | 福建省林业厅资助项目 |
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| 摘 要： | 利用随机扩增多态DNA（RAPD）分子标记技术对濒危植物白桂木Artocarpus hypargyreus 5个天然种群进行遗传多样性分析。结果表明：白桂木种群具有较高的遗传多样性，总的多态位点频率为81.08%，平均Shannon指数为0.231 9，Nei指数为0.166 0，种群的遗传分化系数（GST）为0.737 8，基因流（Nm）为0.125 1。说明白桂木种群间的基因流受限严重，其遗传变异有73.78%存在于种群间，只有26.22%发生于种群内。图4表4参21
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| 关 键 词： | 林木育种学 濒危植物 白桂木 随机扩增多态DNA 遗传多样性 |
Genetic diversity of endangered Artocarpus hypargyreus |
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| FAN Fan-rong.Genetic diversity of endangered Artocarpus hypargyreus[J].Journal of Zhejiang Forestry College,2010,27(2):266-271. |
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| Authors: | FAN Fan-rong |
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| Institution: | FAN Fan-rong(Fujian Sanming Forestry School,Sanming 365001,Fujian,China) |
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| Abstract: | Genetic diversity of 5 populations of endangered Artocarpus hypargyreus was studied by random amplified polymorphic DNA(RAPD) . The results showed that there was great genetic diversity within A. hypargyreus,the total percentage of polymorphic loci was 81.08%,and the average Shannon's index of diversity was 0.231 9,Nei's index of genetic diversity was 0.166 0,the coefficient gene differentiation index(GST) was 0.737 8,gene flow(Nm) was 0.125 1. The gene flow between populations was very low,variation among ... |
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| Keywords: | forest tree breeding endangered species Artocarpua hypargyreus random amplified poly-morphic DNA(RAPD) genetic diversity |
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