INHERITANCE OF FLOUR PROTEIN CONTENT IN A SELKIRK X GABO CROSS

1 March 1965

journal article
research article
Published by Canadian Science Publishing in Canadian Journal of Genetics and Cytology

Vol. 7 (1) , 12-17
https://doi.org/10.1139/g65-002

Abstract

Variations in protein content were studied in populations from a Selkirk XGabo cross which included individual plants of the P1, P2, F1, F2, F3, BC1 and BC2 generations and rows of F3, F4, and F5 families. The relationship of population means to parental means indicated no net dominance for low or high protein content. The frequency distributions of F2 and F3 plants among the protein-content classes were bimodal. Heritability estimates for percent protein were large in all populations studied. The lowest estimate (66.0%) was obtained when only additive genetic effects were considered. Protein content were predicted to exceed the F2 population mean by 12.4% when the top 5% of the F2 plants are selected for high protein content.

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