|Table of Contents|

Evaluation on Main Agronomic and Yield Characters of Soybean Core Collections in Southern China(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年04期
Page:
580-585
Research Field:
Publishing date:

Info

Title:
Evaluation on Main Agronomic and Yield Characters of Soybean Core Collections in Southern China
Author(s):
WANG Rui-zhen1; ZHAO Chao-sen1; CHENG Chun-ming1; QIU Li-juan2; LIU Zhang-xiong2; ZHAO Xian-wei1
1.Institute of Crop Sciences,Jiangxi Academy of Agricultural Sciences,Nanchang 330200，Jiangxi;
2.Institute of Crop Sciences,Chinese Academy of Agricultural Sciences，Beijing 100081，China
Keywords:
Soybean; Core collection; Diversity; Principal component analysis; Clustering analysis
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.04.0580
Abstract:
Morphological diversity of soybean core collections in southern China were analyzed using 15 main agronomic and yield characters.The results showed that the coefficient variance were higher than 30% for pod height at bottom,plant height and effective branch number,while was higher than 20% for seed number per plant,pod number per plant,100-seed weight,seed weight per plant and yield per unit area.Principal component analysis indicated that the first five components accounted for 88.432% of total variation,and the variation of growth period characters were main factors that arousing difference for other quantity characters.Diversity index varied with characters,and the same character also showed distinction in different ecological region populations.Clustering analysis showed that soybean core collections from seven ecological regions was clustered into three groups.With the increase of latitude,the mean yield per unit area showed increasing and then decreasing trend.Twelve excellent soybean germplasm were selected from 150 accessions,and their utilization in breeding programs were prospected.

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Last Update: 2014-09-14