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Inheritance of groat-oil content and high-oil selection in oats (Avena sativa L.) by A. M. Thro; K. J. Frey is a Agricultural and Biological Sciences article available to read on EtoBox.

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The potential for breeding for high groat-oil content in oats was investigated by (a) conducting generation means analyses on data from three matings among adapted Avenu sutiva L. cultivars, (b) practicing one cycle of phenotypic recurrent selection in a segregating population derived from eight species backcrosses (Avencr sativn x (A. sativa x A. sterilis)) among 24 parents. and (c) identifying transgressive segregates from interspecific (A. satiny x A. sterilis) matings, Additive gene action was the most important component in explaining the variation among generation means for groat-oil content. Dominance and epistatic interactions involving dominance were not significant in any mating. Significant residual genetic variation occurred in one mating, even after additive, dominance. and three digenic interactions were fitted. The importance of additive genes action implies that desired allelic combinations for high groat-oil content can be obtained in pure-line cultivars. One cycle of phenotypic recurrent selection using single plants as the selection units resulted in a genetic gain of 1.7 to 2.1% in groat-oil content. Individual plants selected for initiating the second cycle had

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Author

A. M. Thro; K. J. Frey

Publisher

Springer; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0014-2336)

Published

1985

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)