'Yotsuboshi', a new F1 hybrid strawberry of seed propagation type for year-round production

T. Mochizuki, T. Mori, J. Kohori, H. Kitamura, T. Inokuchi, I. Kato, K. Sone, M. Ishikawa, F. Maeda, M. Fukami, S. Isobe, S. Sato

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Citations (Scopus)

    Abstract

    'Yotsuboshi', a seed propagating type F1 hybrid strawberry cultivar adaptable for year-round production, was developed from the collaborative breeding program including four institutes of Mie, Kagawa and Chiba prefectures and National Agriculture and Food Research Organization (NARO) in Japan. The behavior of flower initiation is quite unique. 'Yotuboshi' exhibits stable extra earliness under natural condition with a lower temperature and shorter day-length, while it possesses the ever-bearing gene which results in the induction of flower initiation under long-day condition. Thus 'Yotsuboshi' is adaptable for year-round production including both forcing culture in autumn to spring and summer-autumn cultivation across Japan. 'Yotsuboshi' has several attractive traits such as a clear red fruit color, excellent fruit shape and size, high yielding ability, and superior taste with a high content of sugar and moderate acidity. The practical production system of F1 hybrid seeds and the DNA marker system for certifying the uniformity of seeds have already been established. The seeds and/or plug tray seedlings will be commercially provided from this summer for the member of the 'Research society for seed propagating type strawberries in Japan'.

    Original languageEnglish
    Title of host publication8th International Strawberry Symposium
    EditorsY. Desjardins
    PublisherInternational Society for Horticultural Science
    Pages53-59
    Number of pages7
    ISBN (Electronic)9789462611528
    DOIs
    Publication statusPublished - 2017 Apr 20

    Publication series

    NameActa Horticulturae
    Volume1156
    ISSN (Print)0567-7572

    Keywords

    • DNA markers
    • Ever-bearing
    • Extra earliness
    • F1 hybrid
    • Seed propagating type cultivar
    • Year-round production

    ASJC Scopus subject areas

    • Horticulture

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