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Published in Crop Sci 10:517-518 (1970)
© 1970 Crop Science Society of America
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Genetic Control of Ovule Number in Peas (Pisum sativum L.)1

Aage Krarup H. and David W. Davis2

A complete, six-parent diallel cross plus F2's and backcrosses was used to study the inheritance of basic ovule number in Pisum sativum L. Ovule number was found to be controlled by a simple additive genetic system. Dominance effects were of no relative importance. There was some slight indication of partial dominance for low over high ovule number. Heritability was estimated as 0.38; no reciprocal effects were found.

Key Words: Additive effect • Diallel • Legume breeding • Vegetable breeding and genetics • Plant breeding

1 Journal Series Paper 7174 Minnesota Agricultural Experiment Station, University of Minnesota, St. Paul 55101. Supported in part by funds from The Rockefeller Foundation and also representing part of a Ph.D. thesis submitted to the Graduate School of the University of Minnesota by the senior author.

2 Former graduate student (now Professor of Vegetable Crops and Dean, Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile) and Professor of Horticultural Science.

Received for publication February 19, 1970.




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