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2010 Fiscal Year Final Research Report

Seed dormancy of Trillium camschatcense requiring 21 months from seed dispersal to cotyledon emergence

Research Project

  • PDF
Project/Area Number 20580019
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Horticulture/Landscape architecture
Research InstitutionHokkaido University

Principal Investigator

KONDO Tetsuya  Hokkaido University, 農学研究院・大学院, 教授 (10153727)

Project Period (FY) 2008 – 2010
Keywords種子発芽 / オオバナノエンレイソウ / 温度 / 光
Research Abstract

To know the reason why seeds of Trillium camschatcense need long periods for 21 months from seed dispersal to cotyledon emergence, temperature and light requirement for embryo growth, radicle emergence, and cotyledon emergence of seeds were revealed. Embryos in seeds were undeveloped at seed dispersal. The first low temperature was required for embryo growth and radicle emergence, and the second low temperature was required for cotyledon emergence from seeds producing roots. Percentages of radicle emergence at constant temperature or in dark were higher than at alternating temperature or in light.

  • Research Products

    (2 results)

All 2011 2010

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (1 results)

  • [Journal Article] Seed dormancy in Trillium camschatcense (Melanthiaceae) and the possible roles of light and temperature requirements for seed germination in forests2011

    • Author(s)
      T.Kondo, M.Mikubo, K.Yamada, J.L.Walck, S.N.Hidayati
    • Journal Title

      American Journal of Botany 98(2)

      Pages: 215-226

    • Peer Reviewed
  • [Presentation] オオバナノエンレイソウ(Trillium camschatcense)の種子発芽2010

    • Author(s)
      近藤哲也
    • Organizer
      日本造園学会北海道支部大会
    • Place of Presentation
      札幌市
    • Year and Date
      2010-09-04

URL: 

Published: 2012-01-26   Modified: 2016-04-21  

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