'マスカット・オブ・アレキサンドリア'の穂軸肥厚症発生に及ぼす光条件の影響

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 参考文献17件

書誌事項

タイトル別名
  • Effect of Light Intensity on Abnormal Swelling of Peduncle in 'Muscat of Alexandria' Grape.
  • Effect of light intensity on abnormal s

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抄録

'Muscat of Alexandria' grapevines, grown under heated greenhouses, show abnormal swelling on the peduncles and rachises during an early stage of berry growth. The cause of this abnormality was investigated by controlling the light intensity to the clusters. Complete shading of the peduncular nodes for 4 weeks after full bloom caused a noticeable swelling in all the treated peduncles. Fifty % shading caused swelling in half the number of the treated peduncles. The rate and the degree of swelling were reduced by the exposure of clusters to sunlight or by using a sunlight reflector film. In vitro culture of excised disks from swollen peduncles revealed active division of callus cells even on hormone-free MS medium. The division was stimulated when the cultures were kept in the dark. These results suggest that accumulation of some light-decomposable factors at the peduncular nodes causes this abnormality.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 67 (1), 9-13, 1998

    一般社団法人　園芸学会

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