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《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2012年02期

Page:

208-212

Research Field:

Publishing date:

Info

Title:

Genetic Variation,Correlation and Principal Component Analysis on Agronomic Traits of Summer Sowing Soybean(Glycine max Merr.)in Huanghuai Region

Author(s):

WANG Bao-qing; ZHANG Li-feng; DAI Hai-ying; WANG Cai-jie; LI Wei; XU Ran

Crop Science Research Institute,Shandong Academy of Agricaltural Sciences,Jinan 250100,Shandong,China

Keywords:

Huanghuai region; Summer sowing soybean; Correlation analysis; Principal component analysis

PACS:

S565.1

DOI:

10.3969/j.issn.1000-9841.2012.02.010

Abstract:

Genetic variation,correlation and principal component analysis were used to analyze the relationship between yield and related agronomic traits of 87 summer sowing soybeans in Huanghuai region.Results showed that variation of effective branch number was the greatest;variation of growth duration was the least.The variation of lowest pod height,pod number per plant,seed number per plant,seed weight per plant and 100-seed weight ranged from 18.38% to 27.56% in semi-determinate soybeans;in determinate soybeans,the variation of plant height,lowest pod height,pod number per plant,seed number per plant,seed weight per plant ranged from 21.02% to 28.04%.In semi-determinate soybeans,yield had extremely significant positive correlation with seed number per pod,seed weight per plant and 100-seed weight,but significant negative positive correlation with effective branch number and growth duration.While in determinate soybeans,yield had extreme significant positive correlation with stem diameter,and significant positive correlation with lowest pod height.Principal component analysis between different stem termination soybeans showed the first four principal components respectively account for 79.92% and 79.50% of total variation.It should be emphasized according to different stem termination for selecting varieties，especially in Huanghuai region where mainly planted semi-determinate and determinate summer sowing soybean.We should choose semi-determinate varities with moderate plant height and growth duration,fewer effective branch numbers,more seed number per pod and higher 100-seed weight.It also need to select determinate varieties with thicker stem diameter,higher plant height and pod height at bottom,more main stem nodes pods per plant and seeds per pod.

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