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Increase of nodule function by mycorrhiza

Research Project

Project/Area Number 60490009
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 広領域
Research InstitutionNagoya University, Faculty of Agriculture

Principal Investigator

YUKIO Yamamoto  Department of Agronomy, Faculty of Agriculture, Nagoya University, 農学部, 教授 (40022561)

Co-Investigator(Kenkyū-buntansha) 手塚 修文  名古屋大学, 農学部, 助手 (10109316)
TAKAFUMI Tezuka  Department of Agronomy, Faculty of Agriculture, Nagoya University
Project Period (FY) 1985 – 1986
Project Status Completed (Fiscal Year 1986)
Budget Amount *help
¥6,000,000 (Direct Cost: ¥6,000,000)
Fiscal Year 1986: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1985: ¥5,500,000 (Direct Cost: ¥5,500,000)
KeywordsCalcium / Glomus / Phosphate / Mycorrhiza / Vesicular-Arbuscular Mycorrhiza / <N_2> -fixation / Nodule / 根粒機能
Research Abstract

Symbiotic interactions of the tripartite association of soybean plant, vesicular-arbuscular (VA) mycorrhizal fungus and Rhijobium japonicum were shown.
Mycorrhizal plants absorbed more P, Ca and Mg and had higher P, Ca and Mg contents in their stems or leaves than non-mycorrhizal plants. Phosphorus concentration was also higher in the nodules of mycorrhizal plants. VA mycorrhizae increased nodule number, nodule weight and acetylene reduction activity of nodules. Concomitantly seed production and N content of leaves were enhanced.
Both nodulating (A62-1) and non-nodulating (A62-2) cultivars of soybean plants [Glycine max (L.) Merr.] were colonized by VA mycorrhizal fungi, identified as belonging to the genus Glomus.
The activity of <N_2> fixation in nodules and nodule formation were increased by VA mycorrhiza which take up mineral nutrients. Consequently, the total nitrogen of soybean and the production of pods and seeds were enhanced.
Such information, apart from its scientific interest, should encourage the practical use of mycorrhizal fungi in plant production especially under stress conditions.
Ca and Mg contents of soybeans grown under different P levels were the same. Accordingly, the VA mycorrhizal hyphae itself collects Ca and Mg with P. There is no difference in auxin, gibberellin, and cytokinin contents between mycorrhizal and non-mycorrhizal plants, but abscisic acid-like substances were slightly higher in mycorrhizal soybean.
VA mycorrhiza was the most effective in soil pH 6.9 .
Spores of VA mycorrhizal fungi were efficiently collected by Nylon-mesh filtration and sucrose-densith centrifugation.

Report

(1 results)
  • 1986 Final Research Report Summary
  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] 河合義隆,手塚修文,山本幸男: 園芸学会雑誌. 54. 477-482 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 河合義隆,手塚修文,山本幸男: 園芸学会雑誌. 55. 22-26 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshitaka Kawai;Yukio Yamamoto: Plant and Cell Physiology. 27. 399-405 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 山本幸男,河合義隆: 今月の農業(化学工業日報社 東京). 31. 64-68 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Norio Suganuma;Makoto Kitou;Yukio Yamamoto: Plant and Cell Physiology. 28. 113-122 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Norio Suganuma;Yukio Yamamoto: Soil Science and Plant Nutrition. 33(1). (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshitaka Kawai, Takafumi Tezuka and Yukio Yamamoto: "Mycorrhizas of horticultural plants in Japan" Journal of the Japanese Society for Horticultural Science. 54. 477-482 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshitaka Kawai, Takafumi Tezuka and Yukio Yamamoto: "Morphological characteristics and seasonal variation of VA-mycorrhiza in grapevine" Journal of the Japanese Society for Horticultural Science. 55. 22-26 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshitaka Kawai and Yukio Yamamoto: "Increase in the formation and nitrogen fixation of soybean nodules by Vesicular-Arbuscular mycorrhiza" Plant and Cell Physiology. 27. 399-405 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Norio Suganuma, Makoto Kitou and Yukio Yamamoto: "Carbon metabolism in relation to cellular organization of soybean root nodules and respiration of mitochondria aided by leghemoglobin" Plant and Cell Physiology. 28. 113-122 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Norio Suganuma and Yukio Yamamoto: "Carbon metabolism related to nitrogen fixation in soybean root nodules" Soil Science and Plant Nutrition. 33 (1). in Press (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yukio Yamamoto and Yoshitaka Kawai: Kagakukogyo-Nipposha, Tokyo. Recent studies on mycorrhiza of fruit trees. in Kongetsuno-Nogyo 31 (2), 64-68 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary

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Published: 1987-03-31   Modified: 2016-04-21  

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