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| 天然蒙古栎群体遗传多样性的RAPD分析 | |
| 引用本文： | 夏铭,周晓峰,赵士洞.天然蒙古栎群体遗传多样性的RAPD分析[J].林业科学,2001,37(5):126-133. |
| 作者姓名： | 夏铭 周晓峰 赵士洞 |
| 作者单位： | 1. 浙江大学生命科学学院 2. 东北林业大学森林资源与环境学院 3. 中国科学院地理科学与资源研究所 |
| 基金项目： | 国家自然科学基金重大项目 ( 39899370 )，国家林业局重点课题 ( 96 -2 8)的资助 |
| 摘 要： | 蒙古栎 (ＱｕｅｒｃｕｓｍｏｎｇｏｌｉｃａＦｉｓｃｈ)为壳斗科、栎属植物 ,主要分布区包括中国的华北、东北、内蒙古东部 ,朝鲜半岛 ,俄罗斯远东和蒙古的连续分布区及日本桦太、北海道的间断分布区 (吴晓春 ,1 993)。蒙古栎是我国东北的典型植被类型———红松阔叶林的主要伴生树种之一 ,同时在红松林被干扰破坏后是形成次生阔叶林面积较大的主要树种 ,也是分布区超过北纬 45°的唯一栎属植物。近年来 ,蒙古栎的分布区和群体数量呈扩张趋势 ,其原因除人为干扰外 ,可能涉及气候变化、物种特性、种内遗传多样性、种间互作等等。对蒙古栎群体… |
| 关 键 词： | 蒙古栎 群体 RAPD 遗传多样性 遗传分化 栎树 |
| 修稿时间： | 2000年3月9日 |
RAPD ANALYSIS ON GENETIC DIVERSITY OF NATURAL POPULATIONS OF QUERCUS MONGOLICA |
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| Xia Ming.RAPD ANALYSIS ON GENETIC DIVERSITY OF NATURAL POPULATIONS OF QUERCUS MONGOLICA[J].Scientia Silvae Sinicae,2001,37(5):126-133. | |
| Authors: | Xia Ming |
| Abstract: | Genetic diversity and differentiation of four natural populations of \%Quercus mongolica \%in Northeast China were studied with the method of RAPD.Through the amplification with 48 random primers,344 repeatable loci were detected and 245 loci were polymorphic.Percentage of polymorphic loci was 71.22%.According to the measurement of Shannon index,genetic diversity of \%Quercus mongolica\% was on relative high level and genetic variation mainly distributed within population (64.50%).In the studied populations of \%Quercus mongolica,\%the level of genetic diversity of OLJ was the highest,that of OHH was the lowest, and that of OSZ and OHL were the middle.The average genetic distance within populations was 0.0962 ,that among populations was 0.1290.Abundant genetic diversity of Quercus mongolica assured the steady existence and development of its populations. |
| Keywords: | Quercus mongolica\% Population RAPD Genetic diversity Genetic differentiation |
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