|Table of Contents|

Study on Genetic Diversity of Huang-Huai-Hai and Southern Soybean Cultivars by SCoT Markers(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年05期
Page:
717-722
Research Field:
Publishing date:

Info

Title:
Study on Genetic Diversity of Huang-Huai-Hai and Southern Soybean Cultivars by SCoT Markers
Author(s):
GAO Xiao-ling WU Hui CHEN Qi GONG Gui-ru XIONG Dong-jin
(College of Life Science, Nanchang University, Nanchang 330031, China)
Keywords:
SoybeansReleased cultivar SCoT markers Genetic diversity
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.05.0717
Abstract:
In this research, SCoT markers were applied to detect the genetic diversity among 159 cultivated soybeans released during 1923-2005 in China from Huang-Huai-Hai and southern region.Twenty seven primers were selected from 80 SCoT primers, 130 DNA bands were produced by 27 primers including 110 polymorphic bands,with an average of 84.62%.Nei′s range of gene diversity ranged from 0.24 to 0.49, and the average was 0.37. The average value of locus polymorphism information contents 0.27. Dendrograms generated from coefficient of genetic distance between species on the basis of SCoT markers showed that 99 cultivated soybeans were mainly from Huang-Huai-Hai in Cluster I, 60 cultivated soybeans of Group II were mainly from Nanfang. From 1923, the genetic diversity of cultivated soybean accessions is increasing, reached the highest in 1971-1990 and unchanged in the next two periods. This showed that the genetic diversity of cultivated soybean increased from 1970s.The results indicated that SCoT markers were feasible and effective to analyze the genetic diversity of cultivated soybean and provided an important reference for broadening the genetic base of soybean cultivars

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Last Update: 2016-09-24