Far-red light supplemented with weak red light promotes flowering of Gypsophila paniculata

Koji Nishidate, Yoshinori Kanayama, Manabu Nishiyama, Takeshi Yamamoto, Yuki Hamaguchi, Koki Kanahama

    研究成果: Article査読

    16 被引用数 (Scopus)

    抄録

    A low red (R): far-red (FR) ratio is known to promote flowering of Arabidopsis and several long-day cut flowers, whereas not much information is available on the effects of single light qualities and their combinations on flowering. Therefore, the effects of light quality on the flowering of Gypsophila paniculata were investigated using light-emitting diodes (LEDs) emitting the following lights: FR, R, and blue (B). Flowering and flower budding were observed under long-day conditions with FR, while no flowering was observed under short-day conditions. Promotion of flowering and flower budding was increased under FR supplemented with R compared to FR alone. Although generally R inhibits flowering in long-day plants, a certain intensity of R, for example, the R:FR ratio between 0.23 and 0.71, may be necessary for effective promotion of flowering. In contrast, B supplementation of FR was not effective at the ratio in this study in inducing flowering and flower budding. The quality of cut flowers produced under long-day conditions with LEDs that promoted flowering was not lower than that under incandescent lamps. These results will provide basic knowledge for the development of LED bulbs as a replacement for incandescent bulbs.

    本文言語English
    ページ(範囲)198-203
    ページ数6
    ジャーナルJournal of the Japanese Society for Horticultural Science
    81
    2
    DOI
    出版ステータスPublished - 2012

    ASJC Scopus subject areas

    • 園芸学

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