A Study on Correlation and Variability of Fatty Acid Composition Contents of Soybean Cultivars

doi:10.7668/hbnxb.2010.S2.016

Abstract

Abstract: "In this paper,314 samples of soybean germplasm resources in China and foreign were studied for their correlation and variability of fatty acid composition contents and protein,fat.The results showed that the content of linoleic acid is high and the variation range is small,Linolenic acid content variation is large in domestic varieties;The correlativity between five kinds of fatty acids and protein,fat,is existed.The variation of unsaturated fatty acids is mainly come from eco-types.In the average content of oleic acid,South spring soybean is highest,and Yangtze River spring soybean is lowest;In the average content of linoleic acid,Yangtze River spring soybean is highest and Southern spring soybean is lowest;In the average content of linolenic acid,Yangtze River spring soybean is highest and Southern summer soybean is lowest;The variability from Nation bred variety is smaller.There is no close contact between average content of saturated fatty acids and ecological types or varieties of sources.By studying,we selected a group of valuable resource such as high oleic acid or high linoleic acid,or low-linolenic variety.The results can provide scientific basis for evaluation and utilization of soybean germplasm. "

Key words: Fatty acid composition, Varieties varied, Correlation analysis, Germp lasm resources

CLC Number:

S565.1

SONG Xiao-kun, ZHANG Ying-jun, YAN Long, YANG Chun-yan, ZHENG Yan-yan, JIANG Chun-zhi, JING Hui-xian, ZHANG Meng-chen, HUANG Zhan-jing. A Study on Correlation and Variability of Fatty Acid Composition Contents of Soybean Cultivars[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(S2): 68-73. doi: 10.7668/hbnxb.2010.S2.016.

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