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The elucidation of microbes colonized by Acacia species in Ethiopia and application to agroforestry.

Research Project

Project/Area Number 17K07851
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Forest science
Research InstitutionForest Research and Management Organization (2018-2020)
Japan International Research Center for Agricultural Sciences (2017)

Principal Investigator

Kayama Masazumi  国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員 等 (60435584)

Co-Investigator(Kenkyū-buntansha) 大和 政秀  千葉大学, 教育学部, 教授 (00571788)
内海 俊樹  鹿児島大学, 理工学域理学系, 教授 (20193881)
Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords緑化 / アグロフォレストリー / アーバスキュラー菌根菌 / 根粒菌 / アカシア / マメ科植物
Outline of Final Research Achievements

The aim of this research was an establishment of agroforestry technology to promote the growth of acacias and increase the yield of crops by cultivation of same place in Tigray region located in northern Ethiopia.
We investigated the microorganisms, which made a symbiosis with roots of several acacias in 2017. We observed the symbiosis of arbuscular mycorrhizal fungi and nodules of rhizobium for Acacia saligna, and its seedlings were planted on the field of Tigray region in 2018. We cultivated wheat, barley and grass pea in 2019, and dry mass of aboveground organ of grass pea showed positive correlation with tree density of A. saligna. This trend might be concerned with the increase of nitrogen by symbiosis of rhizobium of A. saligna.

Academic Significance and Societal Importance of the Research Achievements

アカシア類を用いたアグロフォレストリーは、一般にマメ科作物とアカシア類とで根粒菌の種が異なることから開発が進まなかった。しかし、Acacia salignaには多種多様な根粒菌が感染しており、アグロフォレストリーに利用可能と予想されていた。今回の試験では、Acacia salignaの植栽後に同所でガラスマメを栽培することで両種に共生可能なが根粒菌がガラスマメに感染し、ガラスマメの成長が促進されたと推察された。このような研究成果は過去の研究で報告されていないことから新規性があり、現地の主要作物であるマメの収量を、A. salignaの先行植栽によって増加させる技術に発展できる可能性がある。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (11 results)

All 2021 2020 2019 2018 Other

All Int'l Joint Research (4 results) Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (4 results) (of which Int'l Joint Research: 1 results) Remarks (1 results)

  • [Int'l Joint Research] メケレ大学(エチオピア)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] メケレ大学(エチオピア)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] メケレ大学(エチオピア)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] ティグライ州農業研究所/メケレ大学(エチオピア)

    • Related Report
      2017 Research-status Report
  • [Journal Article] Effects of biochar on the growth of Vachellia etbaica and Faidherbia albida planted in Tigray, northern Ethiopia.2021

    • Author(s)
      Kayama, M., Abebe, B. and Birhane, E.
    • Journal Title

      Japan Agricultural Research Quarterly

      Volume: 55

    • NAID

      130008112945

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Effects of biochar on the growth of <i>Olea europaea</i> subsp. <i>cuspidata</i> and <i>Dodonaea angustifolia</i> planted in Tigray, northern Ethiopia.2019

    • Author(s)
      Kayama, M., Takenaka, K., Abebe, B., Birhane, E.
    • Journal Title

      日本緑化工学会誌

      Volume: 45 Pages: 115-120

    • NAID

      130007776323

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] エチオピア北部、ティグライ州に生育する<i>Acacia etbaica</i>の成長に関わる立地要因.2020

    • Author(s)
      香山雅純, 酒井徹, Abebe, B., Birhane, E.
    • Organizer
      第67回日本生態学会
    • Related Report
      2019 Research-status Report
  • [Presentation] The conservation of the forest of <i>Acacia etbaica</i> located in Tigray region, northern Ethiopia for the sustainable utilization.2019

    • Author(s)
      Kayama, M., Takenaka, K., Koda, K., Sakai, T., Oniki, S., Hirata, M., Ogawa R., Abebe, B., Girmay, G., Berha, M., Gebreanenia, B., Birhane, E.
    • Organizer
      XXV IUFRO World Congress Forest Research and Cooperation for Sustainable Development
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] エチオピア北部に植栽したアカシア類の植栽における炭の添加効果2019

    • Author(s)
      香山雅純、竹中浩一 、Buruh Abebe、Emiru Birhane
    • Organizer
      日本生態学会
    • Related Report
      2018 Research-status Report
  • [Presentation] エチオピア北部に植栽した樹木の炭の添加効果2018

    • Author(s)
      香山雅純、竹中浩一 、Buruh Abebe、Emiru Birhane
    • Organizer
      関東森林学会
    • Related Report
      2018 Research-status Report
  • [Remarks] エチオピアで植栽されるアカシア類の共生微生物の解明とアグロフォレストリーへの応用

    • URL

      https://www.ffpri.affrc.go.jp/ipo/jointresearch/biseibutsu/index.html

    • Related Report
      2019 Research-status Report 2018 Research-status Report

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Published: 2017-04-28   Modified: 2022-01-27  

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