Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 9:601-604 (1969)
© 1969 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Inbreeding in Synthetic Varieties1

Thad H. Busbice2

A method for computing inbreeding in advanced generations of synthetic varieties was demonstrated. With a knowledge of the effect of inbreeding on the productivity of a particular crop species, a plant breeder, by applying the formulae derived in this paper, can determine the effect of varying the number of parents used to produce a synthetic variety, the amount of inbreeding of parents, if any, that is desirable, and the synthetic generation that should be utilized for agronomic production.

Key Words: Heterosis • Polyploids • Coefficient of parentage • Probability • Self-fertilization

1 Paper Number 2835 of the Journal Series of the North Carolina State University Agricultural Experiment Station, Raleigh, N. C. in cooperation with the Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture.

2 Research Geneticist, Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Raleigh, N. C. 27607.

Received for publication March 3, 1969.


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Environmental Quality		 The Plant Genome
Copyright © 1969 by the Crop Science Society of America.