Summary
The karyotype of 82 regenerated plants from callus cultures of interspecific hybrids between cultivated barley (Hordeum vulgare L.) and seven polyploid wild barley species was examined by C-banding or Feulgen staining. The karyotypic changes observed in 46 plants included aneuploidy, double haploidy, amphidiploidy, deletions, inversions, extra C-bands, and extra euchromatic segments. Apparently, chromosome 5, 6, and 7 of H. vulgare were more frequently exposed to elimination or structural change than the other chromosomes of this species. Irradiation of calli seemed to enhance the occurrence of karyotypic variants.
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Communicated by K. Tsunewaki
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Jørgensen, R.B., Andersen, B. Karyotype analysis of regenerated plants from callus cultures of interspecific hybrids of cultivated barley (Hordeum vulgare L.). Theoret. Appl. Genetics 77, 343–351 (1989). https://doi.org/10.1007/BF00305826
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DOI: https://doi.org/10.1007/BF00305826