|Table of Contents|

Application of Grey Correlation Analysis in Summer Soybean Breeding(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年01期
Page:
31-35
Research Field:
Publishing date:

Info

Title:
Application of Grey Correlation Analysis in Summer Soybean Breeding
Author(s):
CHENG Xue-feng; ZHANG Feng-yun
Department of Resources and Environment Science of Heze University，Heze 274030，Shandong，China
Keywords:
Gray relevant grade; Soybean; Character indexes; Yield
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.01.0031
Abstract:
Sixteen soybean varieties released in Henan Province during 1985-2005 were used to study the correlation between agronomy indexes and yield，protein and fat content using grey correlation analysis.The results showed that yield correlated to plant height(r=0.69**)，pods per plant(r=0.69**）and 100-seed weight（r=0.65**）significantly，and plant height，pods per plant and 100-seed weight significantly correlated to each other respectively.The correlation between protein，fat content and other agronomy indexes didn′t reach significant level.The grey relevant grade between yield and the other main agronomic characters was as follows：pods number per plant（0.7534)> plant height(0.7449)> 100-seed weight(0.7375)>growing period(0.6981)>branches(0.6517)，that between protein and the other main agronomic characters were as follows：100-seed weight(0.67979)>plant height(0.67743)>branches(0.65838)> pods number per plant(0.64921)> growing period(0.62917)，and that between fat and the other main agronomic characters were as follows：growing period(0.67170)>100-seed weight(0.65976)>plant height(0.65568)> pods number per plant（0.63310)>branches(0.60824).Through the study，conclusion could be draw that choosing the varieties that have more pods，higher plant and large seed size should be the target of summer soybean breeding in Henan province，while the growing period and branches had wide ranges.Choose of agronomic character could promote the good-quality breeding，but the effects are little and harmonize of high yield and good quality has great difficulties.

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Last Update: 2014-09-29