Cytological and morphological variations in wild populations of Avena canariensis from the Canary Islands

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Three sorts of chromosomal variations, loss of satellite, cytomixis and translocation, were observed in hybrids between different natural populations of <i>Avena canariensis</i>. A heteromorphic rod bivalent is frequently found in the hybrids between early and late flowering ecotypes of <i>A. canariensis</i> and one satellite chromosome has been lost in the early flowering ecotype of Lanzarote Island. Cytomixis was observed in a number of inter-population hybrids, and one genotype was shown to induce cytomixis causing a great loss of chromatin. The plants showing cytomixis were 70-80% fertile but cytomixis was considered to be an isolating mechanism. A quadrivalent (or trivalent) caused by a single reciprocal translocation was observed in the populations which originated from a distinct geographic region i.e. the northern part of Lanzarote.<br>

収録刊行物

  • Genes & genetic systems

    Genes & genetic systems 71(1), 15-21, 1996-02

    The Genetics Society of Japan

参考文献:  17件中 1-17件 を表示

被引用文献:  4件中 1-4件 を表示

各種コード

  • NII論文ID(NAID)
    10003759489
  • NII書誌ID(NCID)
    AA11077421
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13417568
  • NDL 記事登録ID
    4163701
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z53-W539
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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