Microgeographic Edaphic Differentiation in Hordein Polymorphisms of Wild Barley

E. Nevo, A. Beiles, N. Storch, Hans Doll, B. Andersen

    Research output: Contribution to journalJournal articleResearchpeer-review


    Genetic diversity in the storage protein hordein encoded by two loci, Horl and Hor2, was analyzed electrophoretically in seeds from 123 individual plants of wild barley, Hordeum spontaneum, the progenitor of cultivated barley. The test was conducted in two topographically different 100 meter transects in Israel, each equally divided into basalt and terra rossa soil types. Altogether 15 Horl and 16 Hor2 phenotypes were detected; 7 phenotypes in Horl and 5 in Hor2 were common. Significant differentiation of both Horl and Hor2 phenotypes and their associations was found with soil type and topography. Likewise, significant correlations were found between hordein phenotypes and allozyme types detected in a previous study. Our results suggest that at least part of the hordein polymorphisms in wild barley is adaptive and selected by soil and topographic differences over very short distances.
    Original languageEnglish
    JournalTheoretical and Applied Genetics
    Issue number2
    Pages (from-to)123-132
    Publication statusPublished - 1983


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