Periodical wetting increases α-tocopherol content in the tuberous roots of sweetpotato (Ipomoea batatas (L.) Lam.)

    研究成果: Contribution to journalArticle査読

    5 被引用数 (Scopus)

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    Tuberous root growth and antioxidant contents of 2 sweetpotato (Ipomoea batatas (L.) Lam.) cultivars were examined using 2 different irrigation schemes: surface-irrigation and subirrigation. Coarse silica sand was used for root media, which maintained well the gas permeability and water drainage around the roots. The root surface was periodically wetted for watering in the surface-irrigated roots, while the sub-irrigated roots were not. The irrigation methods did not affect the oxygen concentration around the roots. No differences in plant growth were observed between the 2 irrigation methods. However, the content of α-tocopherol in the tuberous root was significantly higher in the ordinary-irrigated roots for both of two cultivars. Thus, the periodical wetting increased the α-tocopherol content in the tuberous root of sweetpotato cultivars without any apparent changes in tuberous root development.

    本文言語英語
    ページ(範囲)297-303
    ページ数7
    ジャーナルEnvironmental Control in Biology
    50
    3
    DOI
    出版ステータス出版済み - 2012

    All Science Journal Classification (ASJC) codes

    • 農業および作物学
    • 植物科学

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