Development and Meiosis of Three Interspecific Hybrids with Cultivated Barley (Hordeum vulgare L.)

R. Von Bothmer, J. Flink, Ib Linde-Laursen

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    Abstract

    The development and meiosis of three interspecific hybrids between cultivated barley (Hordeum vulgare L.) and H. secalinum Schreb., H. tetraploidum Covas, and H. parodii Covas, respectively, were studied. All three hybrid combinations developed very slowly vegetatively. Meiosis of the hybrids was characterized by very low pairing indicating non-homology or very weak homoeology between the parental genomes. C-banding was used to examine the chromosomal constitution of two hybrid combinations. The hybrid with H. tetraploidum lacked chromosome 6 of barley, but it had instead two homologues of chromosome 1. The short arm of chromosome 3 in the form of a stable telocentric was found.
    Original languageEnglish
    JournalZeitschrift fuer Pflanzenzuechtung
    Volume96
    Issue number2
    Pages (from-to)107-114
    ISSN0044-3298
    Publication statusPublished - 1986

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