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Published in Crop Sci 12:391-392 (1972)
© 1972 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Amino Acid Percentages in the Groat-Protein of Oat Lines from an Interspecific Cross1

A. R. Campbell and K. J. Frey2

Samples of groat protein from 15 F2-derived oat lines from an interspecific cross (Avena sativa L. x Avena sterilis L.) were analyzed for amino acid composition. In general, these lines had higher percentages of the essential amino acids arginine, histidine, leucine, lysine and phenylalanine and lower threonine than those reported by other investigators. Groat protein of two lines contained over 8.0% lysine, an essential amino acid often deficient in cereal proteins.

Key Words: Avena sterilis • opaque-2 corn • A. sativa

1 Journal Paper No. J-6928 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa 50010. Project 1752. In cooperation with the Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture. Part of a thesis submitted by the senior author in partial fulfillment of the requirements for the Ph.D, degree.

2 Plant Breeder with Peace Corps, Ibague, Tolima, Colombia (Formerly Graduate Research Assistant, Iowa State University) and Professor of Plant Breeding, Iowa State University.

Received for publication April 26, 1971.




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