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Karyological studies in Crocus IV

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Summary

  1. 1.

    Karyological observations chiefly in connection with meiotic chromosomes were made in seven species and varieties ofCrocus.

  2. 2.

    The somatic chromosome numbers of threeCrocus species were found to be 6 inC. Suterianus, 8 inC. karduchorum and 16 inC. Cartwrightianus albus, respectively.

  3. 3.

    Tetraploid form was found inC. karduchorum, mixoploid cells being sometimes observed.

  4. 4.

    The haploid chromosome numbers were determined to be 3 inC. Suterianus, 4 inC. aerius, 6 inC. susianus minor, and 8 inC. Cartwrightianus albus, respectively.C. biflorus Barrii was hypodiploid having three bivalents and one univalent.C. Kittiwake was an autotriploid with five trivalents.

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Literature Cited

  • Karasawa, K. (1943). Karyological studies inCrocus III. Jap. Jour. of Bot., 12: 475–503.

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  • Mather, K. (1932). Chromosome variation inCrocus I. Jour. of Genetics, 26: 129–142.

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  • Propach, H. (1939). Cytogenetik bei Zierpflanzen (Sammelreferat). Züchter, 11: 174–184.

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Authors and Affiliations

  1. Nasu Cyto-genetic Laboratory Karasuyama, Tochigi Pref, Japan

    K. Karasawa

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  1. K. Karasawa
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Karasawa, K. Karyological studies in Crocus IV. Genetica 28, 31–34 (1957). https://doi.org/10.1007/BF01694308

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  • DOI: https://doi.org/10.1007/BF01694308

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