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Published in Crop Sci 14:896-898 (1974)
© 1974 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Inheritance of Perloline Content in Annual Ryegrass x Tall Fescue Hybrids1

P. L. Cornelius, R. C. Buckner, L. P. Bush, P. B. Burrus, III and J. Byars2

Progeny of crosses among nine clones derived from hybrids of tall fescue (Festuca arundinacea Schreb.) and annual ryegrass (Loliurn multiflorum Lam.) were studied for perloline content. The data were analyzed by a modified partial diallel analysis. The results suggest that perloline is controlled primarily by a few major genes, with a high degree of dominance for low peroline. However, some genes with smaller effects may exist.

Key Words: Lolium multiflorum Lam. • Festuca arundinacea Schreb. • Diallel analysis • Gene action • Nutritive quality • Alkaloids

1 Cooperative investigation of the Department of Agronomy, Kentucky Agricultural Experiment Station and ARS, USDA, Lexington, KY 40506. The investigation reported in this paper (74-3-67) is in connection with a Kentucky Agricultural Experiment Station Project anti is .published with the approval of the director.

2 Assistant Professor of Agronomy and Statistics, Research Agronomist, Associate Professor of Agronomy, Research Agronomist, and Research Specialist, respectively, Dept. of Agronomy, Univ. of Kentucky, and ARS, USDA.

Received for publication May 14, 1974.




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