Intergeneric hybrids of Hordeum vulgare with Agropyron caninum and A. dasystachyum

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Abstract
Hybrids were obtained by pollinating H. vulgare cv. Betzes with A. caninum (4x) and A. dasystachyum (4x) at frequencies of 1.4 and 6.1% of pollinated florets, respectively. The hybrids were sterile and phenotypically resembled the paternal parent, except for floret structure which was intermediate between the parental types. Chromosome pairing at meiosis was very low and thus provided no indication of homoeology between parental genomes. Abnormal meiotic chromosome behavior in meiocytes that occurred in sectors on the ''Betzes'' .times. A. dasystachyum hybrid was attributed to abnormal spindle fiber function.

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