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Study on Phenotypic Diversity of Wild Soybean in Huang-Huai Populations(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2015年05期
Page:
741-751
Research Field:
Publishing date:

Info

Title:
Study on Phenotypic Diversity of Wild Soybean in Huang-Huai Populations
Author(s):
LI Jian-dong; JING Xiao-yuan; YAN Xue-fei
College of Agronmy, Shenyang Agricultural University, Shenyang 110866, China
Keywords:
Wild soybean; Agronomic traits; Population variation; Phenotypic diversity; Nest design; Hierarchical cluster analysis; Correlation analysis.
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2015.05.0741
Abstract:
A set of 114 Glycine.soja covering 4 populstions of Huang-Huai were selected to study the phenotype variability and relationships.Twelve morphological characteristics such as 100-seed weight, maturity, pod length, pod width, plant height, seeds number per pod, branch number, pubescence color, main stem, seed coat color, germination time, leaf shape were discussed by comparing and analyzing with the methods of nest design, multi-comparsion, related analysis and hierarchical cluster analysis .The results indicated that there were significant differences in phenotypic variation among/within populations. In different individuals,simpson index ranged from 0.220 5 to 0.951 2, Shannon-Weaver index ranged from 0.067 7 to 3.591 6, and the F value varying from 0.53 to 18.68.In different individuals,the variation coefficient of seed colour was 68.93%,while the variation coefficient of maturity was only 5.52%. Most phenotypic traits were significiantly correlated. 100-seed weight and maturity were significantly positive correlated with latitude, the correlation coefficient were respectively 0.984* and 0.929*.Seed color was significantly correlated with longitude and annual precipitation (0.981* and 0.968*). It also showed that there was no significant correlation of Glycine-soja between phenotypic characteristics and geographic distance.100-seed weight, pod length, pod width, pubescence color and leaf shape were the main morphological characters of phenotypic differences. The Huang-Huai populations could be divided into three groups according to the UPGMA cluster analysis when the educlidean distance was 4.67 and two groups when the euclidean distance was 5.12.Phenitypic variation within populations was greatly smaller than that between populations.Compared to other characters,the stability of seed was higher than that of other traits.

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Last Update: 2015-11-07