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Heredity of Lodging and Its Correlation with Agronomic Traits in Soybean Germplasm(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年05期
Page:
703-706
Research Field:
Publishing date:

Info

Title:
Heredity of Lodging and Its Correlation with Agronomic Traits in Soybean Germplasm
Author(s):
ZHONG Kai-zhen; LIANG Jiang; WEI Qing-yuan; CHEN Wen-jie; ZENG Wei-ying; TANG Fu-yue; CHEN Yuan
Maize research Institute,Guangxi Academy of Agricultural Sciences,Nanning 530227,Guangxi,China
Keywords:
Soybean; Germplasm; Heredity; Agronomic traits
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.05.003
Abstract:
This experiment analyzed the genetic regularity of soybean lodging and the correlations with main agronomic characters,using 270 soybean germplasm collected from south of China.The results indicated that both additive effect and dominance effect were significant,and dominance effect was more important than additive effect.The narrow-sense heritability and broad-sense heritability of lodging were 14.3% and 90.3%,respectively.The correlation analysis showed that lodging was positively correlated(P＜0.01)with plant height,bottom pods height,nodes on main stem and branch number,and negatively with yield per unit area(P＜0.05),100-seed weight and grain weight per plant(P＜0.01),respectively.The improvement of lodging would be effective by selecting plant height early generation,which had higher narrow and broad sense heritability.The germplasm was divided into four groups according to the correlated agronomic traits with lodging resistance,using the method of cluster analysis.And the materials of the fourth group had weak lodging and higher feed yield potential.

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Last Update: 2014-08-18