|Table of Contents|

Genetic Diversity of Soybean Cultivars Released Based on EST-SSR Marker(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2017年03期
Page:
327-334
Research Field:
Publishing date:

Info

Title:
Genetic Diversity of Soybean Cultivars Released Based on EST-SSR Marker
Author(s):
WU Hui GAO Xiao-ling CHEN Qi GONG Gui-ru XIONG Dong-jin
(College of Life Science Nanchang University, Nanchang 330031, China)
Keywords:
Soybean Cultivar EST-SSR marker Genetic diversity
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2017.03.0327
Abstract:
Study of the genetic diversity and the similarity among cultivars is important for crop genetic improvement.In this study, 26 EST-SSRs were investigated for the genetic diversity, similarity, and specificity of 153 soybean cultivars from Huang-Huai-Hai and Nan-Fang by Power Marker V 3.25.The results showed that there were wholly 238 alleles, averaged in 8.1 per locus, ranging from 3 to 25 with average polymorphism information content 0.61, ranging from 0.15 to 0.87 in the population.Based on EST-SSR marker data cluster analysis indicated that the 153 cultivars were clustered into 7 groups, 13 subgroups, with a tendency that the cultivars in the region inclined to be grouped into a same group.The genetic specificity analysis showed that Huang-Huai-Hai specifically existent alleles more rich alleles than the south, specifically deficient alleles less than the south.And specifically existent alleles the cultivars for the period of 1991-2000 were the most. Which result from some frequent germplasm exchange among the neighboring eco-regions and exotic breeding materials were applied in soybean breeding. The present results indicated that EST-SSRs markers were feasible and effective to analyze the genetic diversity of cultivated soybean and provide a significant reference for broadening the genetic base of soybean cultivars.

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Last Update: 2017-06-24