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Analysis of allelopathic activity of itchgrass for weed control

Research Project

Project/Area Number 18405018
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Crop science/Weed science
Research InstitutionUniversity of Tsukuba

Principal Investigator

KOBAYASHI Katsuichiro  University of Tsukuba, 大学院・生命環境科学研究科, 教授 (40087606)

Co-Investigator(Kenkyū-buntansha) YAMAJI Keiko  筑波大学, 大学院・生命環境科学研究科, 准教授 (00420076)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥10,020,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2008: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2007: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2006: ¥4,300,000 (Direct Cost: ¥4,300,000)
Keywordsツノアイアシ / 他感作用 / 雑草制御 / マルチ / 熱帯・亜熱帯雑草 / 他感物質 / 土壊水 / 溶存態 / 6-methoxy-2-benzoxazolinone(MBOA) / 土壌水 / MBOA / 熱帯・亜熱帯性雑草 / 土浄水
Research Abstract

熱帯・亜熱帯性畑地雑草ツノアイアシは、MBOAを土壌へ放出し、植物生育抑制作用を示した。この生育抑制作は、土壌中の水に溶存しているMBOAが他の雑草に吸収されて発現した。MBOAは、ツノアイアシの根に近いほど多量に存在し、また、雑草抑制作用は、根から遠くなるに伴って低下した。MBOAは、本雑草の根部とともに茎葉部にも含まれるので、タイ国のように、圃場において茎葉部をマルチ資材として利用した場合には、土壌からの水分蒸発を抑制するとともに、MBOAのような他感物質による雑草制御効果が期待される。

Report

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

    (11 results)

All 2009 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (9 results)

  • [Journal Article] Allelopathic potential of itchgrass(Rotteboellia exaltata L.f.) powder incorporated into soil2008

    • Author(s)
      Kobayashi K, Itaya D, Mahatamiuchouke P,and Ponptom T
    • Journal Title

      Weed Biology and management 8

      Pages: 64-68

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Allelopathic potential of itchgrass(Rotteboellia ezaltata L. F.)powder incor porated into soil2008

    • Author(s)
      Kobayashi, K., Itara, D., Mahatamnuchoke. P. and Pormorom. Y.
    • Journal Title

      Weed Biology and Management 8・1

      Pages: 64-68

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 熱帯性雑草ツノアイアシ(Rotteboellia exaltata L.f.)の他感他感物質6-methoxy-2- benzoxazolinoneの土壌中における分布と作用発現2009

    • Author(s)
      山村望、山路恵子、小林勝一郎
    • Organizer
      日本雑草学会第48回大会
    • Year and Date
      2009-04-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Behavior and phytotoxic activity of allelochemical in soil2008

    • Author(s)
      Kobayashi K
    • Organizer
      Fifth International Congress on Allelopathy
    • Place of Presentation
      U.S.A
    • Year and Date
      2008-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Behavior and phytotoxic activity of allelochemical in soil2008

    • Author(s)
      KOBAYASHI, Katsuichiro
    • Organizer
      Fifth international congress on allelopathy
    • Place of Presentation
      Saratoga Springs, U. S. A.
    • Year and Date
      2008-09-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] ツノアイアシ(Rotteboellia exaltata L.f.)に含まれる生理活性物質の検索とその他感作用2008

    • Author(s)
      板屋大吾、山路恵子、小林勝一郎
    • Organizer
      日本雑草学会第47回大会
    • Year and Date
      2008-04-19
    • Related Report
      2008 Final Research Report
  • [Presentation] ツノアイアシ (Rottbolia exaltata L., f.) に含まれる生理活性物質の探索とその他感作用2008

    • Author(s)
      板屋大吾・山路恵子・小林勝一郎
    • Organizer
      日本雑草学会第47回大会
    • Place of Presentation
      宇都宮市
    • Year and Date
      2008-04-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] 4^<th> Asia-Pacific Conference on Chemical Ecology2007

    • Author(s)
      Itaya D, Mahatamiuchouke P, YamajiK,and Kobayashi K
    • Organizer
      Allelopathic potential of itchgrass(Rotteboellia exaltata L.f.) in soil
    • Place of Presentation
      Tsukuba
    • Year and Date
      2007-09-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Allelopatic potential of itchgrass(Rotteboelia exaltata L. f.)in soil2007

    • Author(s)
      Itata, D., Mahatamuchoke, P., Yamaji, K., and Kobayashi. K.
    • Organizer
      4th Asia-Pacific Conference on Chemical Ecology
    • Place of Presentation
      つくば市
    • Year and Date
      2007-07-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] 土壌中における熱帯性雑草ツノアイアシ(Rotteboellia exaltata L.f.)の他感作用2007

    • Author(s)
      板屋大吾、小林勝一郎、Pornprom M、Mahatamiuchouke P
    • Organizer
      日本雑草学会第46回大会
    • Year and Date
      2007-04-15
    • Related Report
      2008 Final Research Report
  • [Presentation] 土壌における熱帯性雑草ツノアイアシ(Rotteboelia exaltata L. f.,)の他感作用2007

    • Author(s)
      板屋大吾・小林勝一郎
    • Organizer
      日本雑草学会第16回講演会
    • Place of Presentation
      那覇市
    • Year and Date
      2007-04-15
    • Related Report
      2007 Annual Research Report

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

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