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

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概要

• 論文の詳細を見る

• 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.

• 日本植物分類学会の論文
• 2003-06-09

著者

• 塚谷 裕一

  東大 基礎生物学研

• Tsukaya Hirokazu

  Plant Biology Research Center Chubu University:college Of Bioscience And Biotechnology Chubu Univers

• TSUKAYA Hirokazu

  National Institute for Basic Biology (NIBB) and Center for Integrated Bioscience, Okazaki Research I

• Tsukaya H

  Biological Sciences Graduate School Of Science University Of Tokyo

• OKADA HIROSHI

  Botanical Gardens, Faculty of Science, Osaka City University

• OKAMOTO MOTOHARU

  Osaka Museum of Natural History

• Tsukaya H

  National Institute For Basic Biology/okazaki Institutes For Integrated Bioscience

• Tsukaya Hirokazu

  National Inst. Basic Biology Aichi Jpn

• Okada H

  Botanical Gardens Faculty Of Science Osaka City University

• Tsukaya Hirokazu

  National Institute For Basic Biology/okazaki Institutes For Integrated Bioscience

• Okada Hiroshi

  Botanical Gardens Faculty Of Science Osaka City University

• Tanaka Hirokazu

  Divison Of Biological Science Graduate School Of Science Nagoya University

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