Relation between the vascular system and photosynthate translocation pathways in tomato plants

Tian Lai Li, Takamasa Seino, Wataru Ohkawa, Koki Kanahama

    研究成果: Article査読

    7 被引用数 (Scopus)

    抄録

    The relation between the vascular system and the photosynthate translocation pathway was investigated in main stems, sympodiums, and inflorescences of tomato plants. The plants had the 1st inflorescence on the main shoot with 9 leaves, and the 1st, 2nd and 3rd lateral shoots with 3 leaves from each terminal node. The shoot alternated right- and left-handed phyllotaxis. There were 4 vascular bundles in the hypocotyl and 8 vascular bundles in the main stem and sympodiums. Four vascular bundles were located at the base of the 1st inflorescence. Two were connected to the 7th leaf and to the 2nd or 4th flowers; the other two were connected to the 8th leaf and the 1st or 3rd flowers. When 14CO2 was fed to 7th or 8th leaf, the highest radioactivity was recovered in the internode just below the treated leaf among the internodes on the main stem and sympodiums. In each internode, particularly strong radioactivity was recovered in 3 of 8 vascular bundles. Among the pedicels in the 1st inflorescence, the highest radioactivity was recovered in the 1st and 3rd ones when the 8th leaf was treated, and in the 2nd and 4th pedicels when the 7th leaf was fed with 14CO2.

    本文言語English
    ページ(範囲)69-75
    ページ数7
    ジャーナルJournal of the Japanese Society for Horticultural Science
    69
    1
    出版ステータスPublished - 2000 1 1

    ASJC Scopus subject areas

    • Horticulture

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