培養液で育てたムラサキツユクサの切枝および株分け根付き植物における開花数,雄蘂毛発達と,自然および誘発体細胞突然変異頻度

DOI 機関リポジトリ 日本農学文献記事索引 Web Site Web Site 被引用文献7件 参考文献40件
  • ICHIKAWA Sadao
    Laboratory of Genetics, Department of Regulation Biology, Faculty of Science, Saitama University
  • SHIMA Naoko
    Laboratory of Genetics, Department of Regulation Biology, Faculty of Science, Saitama University
  • XIAO Ling Zhi
    Laboratory of Genetics, Department of Regulation Biology, Faculty of Science, Saitama University
  • MATSUURA-ENDO Chie
    Laboratory of Genetics, Department of Regulation Biology, Faculty of Science, Saitama University
  • HARADA Hiroshi
    Laboratory of Genetics, Department of Regulation Biology, Faculty of Science, Saitama University
  • YOGO Akiko
    Laboratory of Genetics, Department of Regulation Biology, Faculty of Science, Saitama University
  • OKUMURA Mikiko
    Laboratory of Genetics, Department of Regulation Biology, Faculty of Science, Saitama University

書誌事項

タイトル別名
  • Flower production, stamen-hair growth, and spontaneous and induced somatic mutation frequencies in Tradescantia cuttings and shoots with roots cultivated with nutrient solutions.
  • 培養液で育てたムラサキツユクサの切枝および株分け根付き植物における開花数,雄蘂毛発達と,自然および誘発体細胞突然変異頻度〔英文〕
  • バイヨウエキ デ ソダテタ ムラサキツユクサ ノ セツシ オヨビ カブワケ ネ

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For establishing more efficient blue /pink heterozygous Tradescantia testers of mutagenicity, the young inflorescence-bearing nodal and/or axillary cuttings of clones BNL 02, KU 27, KU 7 and KU 20 were cultivated with nutrient solutions, and the flower production, stamen-hair growth, and spontaneous and induced somatic pink mutation frequencies in the stamen hairs observed in the cuttings of each clone were compared with those in the potted plants of the same clone. The cuttings tended to show poorer flower productions, smaller flower sizes and decreases in the number of hairs, as compared with potted plants, but the spontaneous and X-ray-induced somatic mutation frequencies were comparable to those in potted plants. Using the BNL 02 cuttings, however, the mutagenic effect of nitrofurazone was detected for the first time in higher plants. On the other hand, the shoots with roots of clone BNL 4430 divided from the potted plants and cultivated with a nutrient solution exhibited excellent results in all aspects; i.e., the flower production, flower size, stamen-hair growth, and X-ray-and MMS-induced mutation frequencies being almost identical with those in the potted plants, and the spontaneous (background) mutation frequency being lower than that in the potted plants. The shoots with roots of clone BNL 4430 were thus judged to be the best Tradescantia tester of mutagenicity, requiring much smaller space than using the potted plants and supplying much larger samples much more constantly than the cuttings of other clones.<br>

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