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The distribution of diploids and polyploids of the Scilla scilloides complex in Korea

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Abstract

A total of 3 384 individuals of Scilla scilloides Druce were sampled from 40 natural populations at 35 different localities over the Korean Peninsula and analysed cytogenetically. The following cytogenetic types were found: AA (19.6%), AABB (72.4%), ABBB (4.3%), AABBB (3.0%) and aneuploids (0.8%). Of these, AA was found in 9 populations along the west side of the Korean Peninsula facing the Yellow Sea and on Yeongdo and Jeju Islands. Type AABB, the most common type in the complex, was found in 33 natural populations on the Korean Peninsula and Jeju Island. The distributions of ABBB and AABBB are restricted to the southern part of the Korean Peninsula and Jeju Island; they were found in 8 natural populations. In southern Korea the above four types showed overlapping distribution and two or three were often found growing together.

Genome A, occurring in the three allopolyploids in the Korean Peninsula, was the same as that in allopolyploids in Japan. However, genome A occurring as AA diploids was karyotypically different from that in the allopolyploids. On the basis of distribution patterns and cytological features, the origin of the allopolyploids is discussed.

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  1. Department of Biology, Fukuoka University of Education, 811-41, Munakata, Japan

    H. Araki

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  1. H. Araki
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Araki, H. The distribution of diploids and polyploids of the Scilla scilloides complex in Korea. Genetica 66, 3–10 (1985). https://doi.org/10.1007/BF00123600

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  • DOI: https://doi.org/10.1007/BF00123600

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