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Evaluation of Weediness Potential and Gene Flow Risk of Ryegrasses Naturalized Populations

Research Project

Project/Area Number 18580267
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Zootechnical science/Grassland science
Research InstitutionShizuoka University

Principal Investigator

SAWADA Hitoshi  Shizuoka University, 農学部, 教授 (10183831)

Co-Investigator(Kenkyū-buntansha) YAMASHITA Masayuki  静岡大学, 農学部, 准教授 (30252167)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,850,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥450,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2006: ¥1,900,000 (Direct Cost: ¥1,900,000)
Keywords生態学 / 牧草 / 環境 / 外来生物 / 雑草 / バイオテクノロジー / 植物
Research Abstract

牧草種は野生化・雑草化しやすいため、遺伝子組換え体の環境放出による生態的インパクトが懸念されている。そこでライグラス類をモデル植物に選び、河原と農地における野生化集団の侵入状況、被害の実態を把握した。また野生化集団中の種間雑種個体の有無を推定し、予想以上に多くの集団で種間雑種を含むことを示唆した。主な遺伝子組換え体の環境放出シナリオを想定し、遺伝子流出の潜在的経路を特定した上で遺伝子流出リスクの推定を試みた。

Report

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

    (9 results)

All 2009 2008 2007

All Journal Article (7 results) (of which Peer Reviewed: 5 results) Presentation (2 results)

  • [Journal Article] 静岡県安倍川におけるライグラス類野生化集団の侵入および生育状況2009

    • Author(s)
      澤田均、山下雅幸、萩原陽二郎、福田美寿々
    • Journal Title

      日本草地学会誌 55(印刷中)

    • NAID

      110007539282

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Influence of after-ripening environments on the germination characteristics and seed fate of Italian ryegrass(Lolium multiflorum)2009

    • Author(s)
      Minoru Ichihara、Masayuki Yamashita、Hitoshi Sawada、Yoichi Kida、Motoaki Asai
    • Journal Title

      Weed Biology and Management 9(In press)

    • NAID

      10029300148

    • Related Report
      2008 Final Research Report
  • [Journal Article] Influence of after-ripening environments on the germination characteristics and seed fate of Italian ryegrass (Lolium multiflorum)2009

    • Author(s)
      Minoru Ichihara
    • Journal Title

      Weed Biology and Management 9(In press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 静岡県安倍川におけるライグラス類野生化集団の侵入および生育状況2009

    • Author(s)
      澤田均
    • Journal Title

      日草誌 55(印刷中)

    • NAID

      110007539282

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hybridization between perennial ryegrass and Italian ryegrass in naturalized Japanese populations2008

    • Author(s)
      Hiroyuki Tobina、Masayuki Yamashita、Atsuhiro Koizumi、Masahiro Fujimori、Tadashi Takamizo、Mariko Hirata、Toshihiko Yamada、Hitoshi Sawada
    • Journal Title

      Grassland Science 54

      Pages: 69-80

    • NAID

      10024290344

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hybridization between perennial ryegrass and Italian ryegrass innaturalized Japanese populations2008

    • Author(s)
      Hiroyuki Tobina
    • Journal Title

      Grassland Seience 54

      Pages: 69-80

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ペレニアルライグラス(Lolium perenne)とイタリアンライグラス(L. multiflorum)を識別するDNAマーカーの選抜2007

    • Author(s)
      飛奈宏幸, 山下雅幸, 小泉厚浩, 藤森雅幸, 高溝 正, 平田球子, 佐々木亨, 山田敏彦, 澤田 均
    • Journal Title

      日本草地学会誌 23(印刷中)

    • NAID

      110006368503

    • Related Report
      2006 Annual Research Report
  • [Presentation] 日本国内のライグラス自生集団の遺伝構造. III2009

    • Author(s)
      飛奈宏幸、山下雅幸、澤田均
    • Organizer
      東北地方集団の種子および生育初期における形態的特徴、日本草地学会
    • Place of Presentation
      藤沢市
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 日本国内のライグラス自生集団の遺伝構造. III. 東北地方集団の種子および生育初期における形態的特徴2009

    • Author(s)
      飛奈宏幸
    • Organizer
      日本草地学会
    • Place of Presentation
      藤沢市
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report

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

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