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黄河三角洲柽柳群体遗传多样性RAPD分析

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2008年05期
Page:
56-60
Column:
研究论文
publishdate:
2008-09-30

Article Info:/Info

Title:
RAPD analysis of population genetic diversity of Tamarix chinensis in Yellow River delta
Article ID:
1000-2006(2008)05-0056-05
Author(s):
ZHAO Jing-kui1 4 XU Li-an1* XIE He-feng2 ZHAO Da-yong3 HUANG Min-ren1
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 2. Seed & Seeding Institute Shandong Forestry Department, Jinan 250014, China; 3. Seed and Seeding Institution Dongying Forestry Department of Shandong, Dongying 257091, China; 4. Yangzhou Forestry Bureau of Jiangsu, Yangzhou 225009, China
Keywords:
Tamarix chinensis Natural populations Genetic diversity Population genetic structure RAPD
Classification number :
S722
DOI:
10.3969/j.jssn.1000-2006.2008.05.011
Document Code:
A
Abstract:
In this paper genetic diversi. ty and differentiation of 3natural populations of Tamarix chinensis, one of the main predominated tree species in Yellow River Delta, were studied using random amplified polymorphic DNA (RAPD) techniques. It was showed that amplifications with 26RAPD primers yielded 105analyzable loci and the proportion of polymorphic loci accouoted for 40. 07%. Nei’s gene diversity (h), Shannon diversity index (I), Coefficient of genetic differentiation (Gst) and gene flow were 0. 4061, 0. 5917, O. 0507and 9. 3564, respectively. AMOVA showed that there was a relatively low level (7. 17%) genetic differentiation among the populations. Therefore, a relatively high level of genetic diversity existed in species. The majority of genetic variation occurred in populations. A high level of gene flow happened among populations. Genetic distance was remarkably correlated with geographic distance.

References

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Last Update: 2013-05-20