Effects of Photoperiod on Vegetative Growth, Flowering and Fruiting of Capsicum frutescens L. and C. annuum L. in Japan

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We investigated the effects of photoperiods (6-, 9-, 12-, or 24-h) on the vegetative growth, flowering and fruiting of two <I>Capsicum frutescens</I> L. lines from the Bonin and Ryukyu islands in Japan and <I>C. annuum</I> cv. 'Takanotsume' (referred to as BON, RYU, and TK, respectively). BON, RYU, and TK plants had better vegetative growth as photoperiod lengthened; plants were taller, and the dry weight of shoots and roots was greater. The leaf area of TK was not affected by photoperiod, whereas the leaf areas of BON and RYU were smaller when grown under a 24-h photoperiod than under a 12-h photoperiod because leaf abscission occurred sooner under a 24-h photoperiod. TK also had better reproductive growth as the photoperiod lengthened; flowers and fruits were more numerous, the fresh and dry weights of fruits were greater, and the percentage of fruit set was higher. Under a 24-h photoperiod, however, the flower bud development of BON and RYU was initially not observed. BON finally flowered under a 24-h photoperiod, but RYU did not. These results suggest that BON and RYU responded photoperiods more strictly than TK and there may be various responses to photoperiods in flowering and fruiting among lines of <I>C. frutescens</I>.

収録刊行物

  • Environment control in biology  

    Environment control in biology 46(1), 39-47, 2008-03-30 

    Japanese Society of Agricultural, Biological and Environmental Engineers and Scientists

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各種コード

  • NII論文ID(NAID)
    10021229452
  • NII書誌ID(NCID)
    AA12029220
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    1880554X
  • NDL 記事登録ID
    9478982
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z78-A361
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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