|Table of Contents|

Correlation of Fatty Acid with Major Agronomic Characters of Soybean in Different Environments(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年03期
Page:
403-407
Research Field:
Publishing date:

Info

Title:
Correlation of Fatty Acid with Major Agronomic Characters of Soybean in Different Environments
Author(s):
XIE Dong-wei;  HAN Ying-peng;  LI Wen-bin
Key Laboratory of Soybean Biology in Chinese Ministry of Education, Soybean Research Institute of Northeast Agricultural University, Harbin 150030，Heilongjiang，China
Keywords:
Linolenic acid; Fatty acids; Agronomic traits; Correlation coefficients; Path-coefficients
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.03.0403
Abstract:
The 126 F6 Recombinant Inbred Lines(RILs) derived from a cross between Hefeng 25, a soybean cultivar with regular linolenic content, and L-5, a soybean mutant line with only 2.66% linolenic acid, were planted in three ecological environment in Heilongjiang Province, and the five main fatty acid contents of RILs as well as their parents were measured by fatty acid sodium hydroxide-methanol using gas chromatography, to investigate the correlation among the five kind of fatty acids content and with the major agronomic traits. The five major fatty acids of RILs showed steady relationship in different environments. Linoleic acid had significant positive correlation with linolenic acid, while oleic acid had significant negative correlation with both linoleic acid and linolenic acid. Linolenic acid showed significant positive correlation with 100-seed weight, indicating that 100-seed weight can be used for selecting soybean germplasm with proper linolenic acid content indirectly. Path coefficients between fatty acids content and 100-seed weight varied with the planting environments, suggesting that 100-seed weight could only be used as an assistant for selecting low linolenic soybean.

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Last Update: 2014-09-13