Abstract
Samples from eleven populations of wild barley were examined for metric growth and reproductive traits in a “common garden” field trial. Descendants of these plants were examined for electrophoretically determined genotypes. In most cases each population had one or more predominant electrophoretically detectable genotypes and many infrequent genotypes. Analysis of variance ofHordeum spontaneum shows that the between-population variance component contributed the bulk of the observed variation in metric traits, with only a small proportion of the total variation contributed by the between-genotype within-population variance component. Nevertheless, a full 20% of the F values for the among genotype analysis were significant at the 5% level. In addition, using discriminant analysis, electrophoretically determined genotypes could be easily distinguished on the basis of trait (i.e., metric) measurements. The joint use of electrophoresis (to identify genotypes) and of trait measurements is a powerful tool for investigating intrapopulation genetic variation.
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Brody, T., Snow, L. Structuring of genetic variation inHordeum spontaneum (Poaceae): Genotypic variation within populations. Pl Syst Evol 158, 1–10 (1987). https://doi.org/10.1007/BF00936139
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DOI: https://doi.org/10.1007/BF00936139