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Evidence for basic homology between wheat and rye chromosomes

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Summary

In the hexaploid triticale (× Triticosecale Wittmack) cultivar Rosner chromosome 2R lacks the prominent heterochromatic bands of both telomeres. This modified 2R chromosome is capable of pairing in a high frequency with wheat chromosomes. It is hypothesized that the accumulation of heterochromatin at the telomeres of rye chromosomes may have contributed to the isolation of the wheat and rye genera by inhibiting pairing between wheat and rye chromosomes.

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References

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Author notes

  1. D. G. Roupakias

    Present address: Department of Genetics and Plant Breeding, Univ. of Thessaloniki, Thessaloniki, Greece

  2. P. J. Kaltsikes

    Present address: Department of Plant Breeding and Biometry, Athens Agricultural College, Athens, Greece

  3. J. B. Thomas

    Present address: Agriculture Canada Research Station, Box 29, TOH OCO, Beaverlodge, Alberta, Canada

Authors and Affiliations

  1. Department of Plant Science, University of Manitoba, Winnipeg, Canada

    D. G. Roupakias, P. J. Kaltsikes & J. B. Thomas

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  1. D. G. Roupakias
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  2. P. J. Kaltsikes
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  3. J. B. Thomas
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Roupakias, D.G., Kaltsikes, P.J. & Thomas, J.B. Evidence for basic homology between wheat and rye chromosomes. Euphytica 32, 217–223 (1983). https://doi.org/10.1007/BF00036882

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  • DOI: https://doi.org/10.1007/BF00036882

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