Natural Variation In Fatty Acid Composition Of Diverse World Soybean Germplasms Grown In China
文献类型: 外文期刊
作者: Sun, Junming;Azam, Muhammad;Feng, Yue;Zhang, Shengrui;Abdelghany, Ahmed M.;Shaibu, Abdulwahab S.;Li, Bin;Hong, Huilong;Abdelghany, Ahmed M.;Tian, Yu;Qi, Jie;Li, Yanfei
作者机构:
关键词: Fatty Acid; Germplasm; Geographical Origin; Oil; Soybean (Glycine Max L. Merrill)
期刊名称: AGRONOMY-BASEL
ISSN: 2073-4395
年卷期: 2020 年 10 卷 1 期
页码:
收录情况: JCR(2021版)
摘要: Soybean (Glycine max L. Merr.) is one of the most important crops in the world. Its major content of vegetable oil made it widely used for human consumption and several food industries. To investigate the variation in seed fatty acid composition of soybeans from different origins, a set of 633 soybean accessions originated from four diverse germplasm collections-including China, United States of America (USA), Japan, and Russia-were grown in three locations, Beijing, Anhui, and Hainan for two years. The results showed significant differences (P < 0.001) among the four germplasm origins for all fatty acid contents investigated. Higher levels, on average, of palmitic acid (PA) and linolenic acid (LNA) were observed in Russian germplasm (12.31% and 8.15%, respectively), whereas higher levels of stearic acid (SA) and oleic acid (OA) were observed in Chinese germplasm (3.95% and 21.95%, respectively). The highest level of linoleic acid (LA) was noticed in the USA germplasm accessions (56.34%). The largest variation in fatty acid composition was found in LNA, while a large variation was observed between Chinese and USA germplasms for LA level. Maturity group (MG) significantly (P < 0.0001) affected all fatty acids and higher levels of PA, SA, and OA were observed in early maturing accessions, while higher levels of LA and LNA were observed in late maturing accessions. The trends of fatty acids concentrations with different MG in this study further provide an evidence of the importance of MG in breeding for such soybean seed components. Collectively, the unique accessions identified in this study can be used to strengthen the soybean breeding programs for meeting various human nutrition patterns around the globe.
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