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Study on the use of female-sterile rice in the research of sink-sourece relation in rice and its biomass production

Research Project

Project/Area Number 19580012
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Crop science/Weed science
Research InstitutionUniversity of Tsukuba

Principal Investigator

KATO Morio  University of Tsukuba, 大学院・生命環境科学研究科, 助教 (90204502)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywordsイネ / 乾物収量 / 雌性不稔 / シンク / 窒素追肥 / 遅発分げつ / 光合成速度 / ソース / 物質生産
Research Abstract

穂は通常に形成するが, そのほとんどの穎花が稔実しない雌性不稔系統イネを材料とした穂切除実験の結果, イネでは穂の有無にかかわらず, そのシンク機能が喪失した場合には, 栄養成長器官(登熟期前半は主に稈と葉鞘, 後半は遅発分げつ)が光合成産物のシンクとして機能することで, 物質生産は阻害されないことが明らかになった.この雌性不稔イネの水田栽培においては出穂後の窒素追肥により遅発分げつの発現・成長が促進され, 物質生産への寄与が確認されたが, バイオマス栽培利用に当たってはさらに検証が必要である.

Report

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

    (7 results)

All 2009 2008 2007

All Presentation (7 results)

  • [Presentation] 茨城県南部における再生イネの乾物収量と飼料成分2009

    • Author(s)
      加藤盛夫
    • Organizer
      日本作物学会第227回講演会
    • Place of Presentation
      つくば市
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Nitrogen topdressing at the early ripening stage enhances the growth of late tillers in a female sterile rice line FS12008

    • Author(s)
      加藤盛夫
    • Organizer
      The 5th International Crop Science Congress
    • Place of Presentation
      韓国・済州
    • Year and Date
      2008-04-18
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 雌性不稔イネの飼料成分と in vitro乾物消化率2008

    • Author(s)
      加藤盛夫
    • Organizer
      日本作物学会第225回講演会
    • Place of Presentation
      土浦市
    • Year and Date
      2008-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 雌性不稔イネの飼料成分とin vitro乾物消化率2008

    • Author(s)
      加藤盛夫・丸山幸夫
    • Organizer
      日本作物学会第225回講演会
    • Place of Presentation
      農林水産省農林水産技術会議事務局筑波事務所
    • Year and Date
      2008-03-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] The role of panicles without sink function in dry-matter production and partitioning of rice : Analysis by panicle removal of a female-sterile and a normal line2007

    • Author(s)
      加藤盛夫
    • Organizer
      The 2nd International Conerence o Ricefor the Future
    • Place of Presentation
      タイ・バンコク
    • Year and Date
      2007-11-09
    • Related Report
      2008 Final Research Report
  • [Presentation] The role of panicles without sink function in dry-matter production and partitioning of rice: Analysis by panicle removal of a female-sterile and normal line2007

    • Author(s)
      加藤盛夫・丸山幸夫
    • Organizer
      The 6th Asian Crop Science Associaion Conference
    • Place of Presentation
      バンコク・タイ
    • Year and Date
      2007-11-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] 雌性不稔イネの乾物生産と分配に及ぼす登熟期窒素追肥の影響2007

    • Author(s)
      加藤盛夫
    • Organizer
      日本作物学会第224回講演会
    • Place of Presentation
      金沢市
    • Year and Date
      2007-09-27
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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