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Published in Crop Sci 21:788-791 (1981)
© 1981 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Progress in the Selection for Altered Fatty Acid Composition in Soybeans1

Richard F. Wilson2, J. W. Burton2 and C. A. Brim3

Progress in the selection for altered unsaturated fatty acid composition in soybeans [Glycine max (L.) Merr.] was evaluated. N78-2245, an experimental line developed through recurrent selection methodology contained 51% oleic acid (18:1), 31.9% linoleic acid (18:2), and 4.2% linolenic acid (18:3). In comparison ‘Dare,’ a representative cultivar, contained 21.4% 18:1, 55.6% 18:2, and 8.9% 18:3. This investigation has demonstrated that both soybean fatty acid composition and glycerolipid fatty acid composition were influenced by genetic manipulation.

Key Words: Linolenic acid • Polyunsaturated • Fatty acid • Recurrent selection • Breeding • Oil quality • Glycine max (L.) Merr. • Modified pedigree selection

1 Cooperative investigations of the USDA, ARS, and the North Carolina Agric. Res. Serv., Raleigh; and sponsored in part by Grant No. 80455 from the Research Foundation of the American Soybean Association. Paper No. 5985 of the Journal Series of the North Carolina Agric. Res. Serv., Raleigh.

2 Research plant physiologist, USDA, ARS and associate professor of crop science; research agronomist, USDA, ARS and associate professor of crop science, NCSU, Raleigh, NC 27650, respectively.

3 Manager of soybean research, Funk Seed International, Bloomington, IL 61701.

Received for publication October 31, 1980.


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