Intra-specific Polyploidy and Possible Occurrence of Some Genetic Types for Pollen Development in Cayratia japonica, Vitaceae.

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Cayratia japonica showed intra-specific polyploidy of x=20, i.e., 2n=40 (diploid) and 60 (triploid). Individuals with 2n=40 produced fruits, and formed 20 bivalents at metaphase I in meiosis, but their pollen fertilities widely varied from about 30 to 90%. Individuals with 2n=60 did not produce any fruits, formed a variable number of trivalents, bivalents and univalents at metaphase I, and showed low pollen fertilities of less than 30%. The possible occurrence of some genetic types for pollen development in diploids is discussed.

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詳細情報

  • CRID
    1390282680247071488
  • NII論文ID
    110006318616
  • NII書誌ID
    AA11586265
  • DOI
    10.18942/apg.kj00004623207
  • ISSN
    21897042
    13467565
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • CiNii Articles
    • KAKEN
  • 抄録ライセンスフラグ
    使用不可

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