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Plasticity of plant matter partitioning in response to environmentalfactors

Research Project

Project/Area Number 18570011
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Ecology/Environment
Research InstitutionThe University of Tokyo

Principal Investigator

TATENO Masaki  The University of Tokyo, 大学院・理学系研究科, 准教授 (00179730)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,070,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2006: ¥1,600,000 (Direct Cost: ¥1,600,000)
Keywords光 / 窒素 / 物質分配 / 最適化 / Autonomy / Correlative inhibition / オートノミー / 数理モデル / 根 / 一斉開花 / 常緑樹 / 落葉樹 / ジベレリン / サイトカイニン / 光合成
Research Abstract

植物個体は、生育する環境にあわせて、物質分配をはじめとするさまざまな性質を変化させる。この研究では、まず弱光条件における最適物質分配法を理論的に解析し、現実の植物が理論的最適値をほぼ満たしていることを明らかにした。さらに、これを使って、個体の半分が被陰された状況の最適物質分配を求め、autonomy とよばれるシュートの独立性が成長の最大化と矛盾するものではないことを明らかにした。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (6 results)

All 2009 2008 2007

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (3 results)

  • [Journal Article] Correlation between relative growth rate andspecific leaf area requires associations ofspecific leaf area with nitrogen absorptionrate of roots2008

    • Author(s)
      Osone, Y., Ishida, A., Tateno, M.
    • Journal Title

      New Phytol 179

      Pages: 417-427

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Correlation between relative growth rate and specific: leaf area requires associations of specific leaf area with nitrogen absorption rate of roots.2008

    • Author(s)
      Osone, Y., Ishida, A., and Tateno, M.
    • Journal Title

      New Phytologist 179

      Pages: 417-427

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Correlation between relative growth rate and specific leaf area requires associations2008

    • Author(s)
      Osone, Y., Ishida, A., and Tateno, M
    • Journal Title

      New Phytologist (印刷中)(掲載決定)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 個体内の異なる光環境に応じたシュート間の不均-な窒素分配2009

    • Author(s)
      杉浦大輔、舘野正樹
    • Organizer
      日本生態学会第56回大会
    • Place of Presentation
      岩手県立大学
    • Year and Date
      2009-03-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] 個体内の異なる光環境に応じたシュート間の不均一な窒素分配2009

    • Author(s)
      杉浦大輔、舘野正樹
    • Organizer
      日本生態学会第56回大会
    • Place of Presentation
      盛岡
    • Related Report
      2008 Final Research Report
  • [Presentation] Responses of two sprouting shoots of goldenrod to different light and nutrient conditions.2007

    • Author(s)
      Sugiura, D., and Tateno, M.
    • Organizer
      Japan-US Cooperative Science Program
    • Place of Presentation
      日光
    • Year and Date
      2007-10-25
    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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