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Elucidation of a primary factor of Ca deficiency disorder in horticulture crop by structural equation modeling

Research Project

Project/Area Number 19K15830
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 39030:Horticultural science-related
Research InstitutionChiba University

Principal Investigator

Kuronuma Takanori  千葉大学, 環境健康フィールド科学センター, 助教 (10808596)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords共分散構造分析 / チップバーン / Ca欠乏症 / トルコギキョウ / 成長解析 / 培養液組成 / Mg / トランスクリプトーム解析 / Caトランスポーター遺伝子
Outline of Research at the Start

園芸植物のCa欠乏症は、「Ca吸収能」、「Caの移動性」、「成長速度」など、いくつかの要素が複合的に関与することで発生するが、これらの要素を数値化し、多元的に解析した事例はみられない。そのため、Ca欠乏症の発生要因と具体的な解決策は不明瞭のままである。そこで本研究は、経営学や心理学分野で利用されている「共分散構造分析」を用いて、トルコギキョウのCa欠乏症と植物の生理的・形態的特徴との関連性を多元的に解析する。これより、各要素のCa欠乏症への影響度を網羅的に解析し、Ca欠乏症の発生要因を明らかにする。

Outline of Final Research Achievements

Structural equation modeling is using study on business administration and psychology. This study was applied the methos in horticulture crop production to elucidate a primary factor of tipburn in lisianthus cultivars. Tipburn-damaged cultivars exhibited lower Ca distribution in new leaves because they accumulated excessive Ca in roots. There was little relevance of tipburn incidence and Ca acquisitions and plant growth rates. In addition, candidate genes causing the excessive Ca accumulation in roots were listed by transcriptome analysis (e.g., CAX5).

Academic Significance and Societal Importance of the Research Achievements

園芸生産において、生理障害の発生や収量は、いくつもの要因が複合的に関与することで決定される。本研究は、園芸生産分野において「共分散構造分析」を初めて応用した事例であり、その有効性と利用可能性が示された。これより、本手法は、園芸生産の様々な現象を解析する上で重要なツールの一つになり得ると考えられる。
加えて、これまでチップバーン発生の要因として、根へのCaの過剰蓄積という「Caの局在性」が報告された事例はみられず、園芸植物のCa欠乏症の発生要因について、新たな知見を提示することが出来た。今後は、この原因をゲノムレベルで解明することで、より詳細な現象の理解と育種開発等への応用が期待される。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (6 results)

All 2022 2021 2020

All Journal Article (5 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 5 results,  Open Access: 5 results) Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Effects of Magnesium Application on Tipburn Incidence and Calcium Acquisition in Lisianthus (Eustoma grandiflorum) Cultivars2022

    • Author(s)
      Kuronuma Takanori、Ishikawa Kanami、Watanabe Hitoshi
    • Journal Title

      Horticulturae

      Volume: 8 Issue: 2 Pages: 132-132

    • DOI

      10.3390/horticulturae8020132

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Identification of the Causative Genes of Calcium Deficiency Disorders in Horticulture Crops: A Systematic Review2021

    • Author(s)
      Kuronuma Takanori、Watanabe Hitoshi
    • Journal Title

      Agriculture

      Volume: 11 Issue: 10 Pages: 906-906

    • DOI

      10.3390/agriculture11100906

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Search for Candidate Genes Causing the Excessive Ca Accumulation in Roots of Tipburn-Damaged Lisianthus (Eustoma grandiflorum) Cultivars2021

    • Author(s)
      Kuronuma Takanori、Watanabe Hitoshi
    • Journal Title

      Agriculture

      Volume: 11 Issue: 3 Pages: 254-254

    • DOI

      10.3390/agriculture11030254

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Excessive Calcium Accumulation in the Roots Is a Key Factor in Tipburn Incidence under High Ca Supply in Lisianthus (Eustoma grandiflorum) Cultivars2020

    • Author(s)
      Kuronuma Takanori、Saotome Masanori、Ando Masaya、Watanabe Hitoshi
    • Journal Title

      Agronomy

      Volume: 10 Issue: 8 Pages: 1123-1123

    • DOI

      10.3390/agronomy10081123

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Tipburn Incidence and Ca Acquisition and Distribution in Lisianthus (Eustoma grandiflorum (Raf.) Shinn.) Cultivars under Different Ca Concentrations in Nutrient Solution2020

    • Author(s)
      Kuronuma T., Ando M., Watanabe H.
    • Journal Title

      Agronomy

      Volume: 10 Issue: 2 Pages: 216-216

    • DOI

      10.3390/agronomy10020216

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Effects of different magnesium concentrations in nutrient solution on tipburn incidence and calcium uptake in lisianthus (Eustoma grandiflorum) cultivars2021

    • Author(s)
      Kuronuma Takanori、Watanabe Hitoshi
    • Organizer
      International Symposium on Tropical and Subtropical Ornamentals
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research

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Published: 2019-04-18   Modified: 2023-01-30  

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