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Treatment of Low oxygen concentration for controlling pest without agrochemicals

Research Project

Project/Area Number 16K08108
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Environmental agriculture(including landscape science)
Research InstitutionOsaka Prefecture University

Principal Investigator

Ohyama Katsumi  大阪府立大学, 研究推進機構, 特認准教授 (20456081)

Co-Investigator(Kenkyū-buntansha) 鈴木 丈詞  東京農工大学, (連合)農学研究科(研究院), 特任准教授 (60708311)
矢守 航  東京大学, 大学院理学系研究科(理学部), 准教授 (90638363)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2016: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords酸素濃度 / ナミハダニ / 防除 / 生存率 / インゲン / キュウリ / トマト / 産卵数 / 環境調和型農業 / ハダニ防除 / 無農薬 / 低酸素濃度
Outline of Final Research Achievements

We investigated the potential use of anoxic and hypoxic conditions for controlling the two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae). The survival and fecundity of adult T. urticae females at 8 days after treatment significantly decreased when the O2 concentration was lower than 0.5% and 1%, respectively; the lethal concentration at 50% survival (LC50) was 0.55%. The miticidal hypoxic condition (0.5% O2) led to physiological disorders in host plants; the degree of physiological disorders
differed among the plant species tested. Although tomato seedlings died after the hypoxia treatment, in kidney bean and cucumber seedlings the primary leaves remained and lateral buds developed instead of the apical buds that ceased. Hypoxia treatment could be useful as a physical measure for controlling spider mites depending on plant species or cultivars.

Academic Significance and Societal Importance of the Research Achievements

最近の研究で、脱酸素剤をもちいた無酸素条件(O2濃度0%)において、25℃で8~12 h処理することにより、カンザワハダニ、ナミハダニおよびミカンハダニに対する致死作用が認められたことが報告されている。しかし、致死O2濃度の閾値は、依然不明なままである。本研究では、ナミハダニの致死O2濃度を明らかにした点に学術的意義がある。また、低酸素処理が、植物種によっては、ナミハダニの物理的防除に利用できる可能性を示した点には、社会的意義がある。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (5 results)

All 2018 2017 2016

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (3 results)

  • [Journal Article] Effects of anoxia and hypoxia on the two-spotted spider mite, Tetranychus urticae (Acari: Tetranychidae)2018

    • Author(s)
      Yamakawa Sota、Ohyama Katsumi、Yamori Wataru、Suzuki Takeshi
    • Journal Title

      Applied Entomology and Zoology

      Volume: 53 Issue: 4 Pages: 535-541

    • DOI

      10.1007/s13355-018-0585-5

    • NAID

      40021717567

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Anoxia treatment for selectively controlling spider mites Tetranychus urticae and Panonychus citri with little impact on the predatory mite Neoseiulus californicus.2016

    • Author(s)
      Wang, C.H., T. Suzuki, K. Ohyama and T. Gotoh
    • Journal Title

      International Journal of Acarology

      Volume: 42 Issue: 4 Pages: 206-211

    • DOI

      10.1080/01647954.2016.1171899

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] 酸素濃度調節によるナミハダニ防除の検討2017

    • Author(s)
      山川颯太,鈴木丈詞
    • Organizer
      第61回日本応用動物昆虫学会大会
    • Place of Presentation
      東京
    • Year and Date
      2017-03-27
    • Related Report
      2016 Research-status Report
  • [Presentation] ナミハダニの低酸素応答2017

    • Author(s)
      山川颯太・大山克己・矢守航・鈴木丈詞
    • Organizer
      第26回日本ダニ学会鹿児島大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 真空処理によるハダニおよびカブリダニの成虫に対する防除効果および給水の影響2016

    • Author(s)
      王至弘, 細見亜耶佳, 鈴木丈詞, 北嶋康樹, 後藤哲雄
    • Organizer
      第25回日本ダニ学会大会
    • Place of Presentation
      札幌
    • Year and Date
      2016-10-14
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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