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Non-destructive real-time monitoring of underground root development with distributed fiber optic sensing

Plant methods, 2024-02, Vol.20 (1), p.36-36 [Peer Reviewed Journal]

2024. The Author(s). ;COPYRIGHT 2024 BioMed Central Ltd. ;ISSN: 1746-4811 ;EISSN: 1746-4811 ;DOI: 10.1186/s13007-024-01160-z ;PMID: 38424594

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  • Title:
    Non-destructive real-time monitoring of underground root development with distributed fiber optic sensing
  • Author: Tei, Mika ; Soma, Fumiyuki ; Barbieri, Ettore ; Uga, Yusaku ; Kawahito, Yosuke
  • Subjects: Carbon content ; CT imaging ; Development ; Digital twins ; Environmental monitoring ; Fiber optic sensing ; Fiber optics ; Food supply ; Genetic engineering ; Genetically modified organisms ; Methods ; Observations ; Physiological aspects ; Plants ; Polymers ; Root system architecture ; Roots (Botany) ; Signal processing ; Soils ; Underground monitoring
  • Is Part Of: Plant methods, 2024-02, Vol.20 (1), p.36-36
  • Description: Crop genetic engineering for better root systems can offer practical solutions for food security and carbon sequestration; however, soil layers prevent the direct visualization of plant roots, thus posing a challenge to effective phenotyping. Here, we demonstrate an original device with a distributed fiber-optic sensor for fully automated, real-time monitoring of underground root development. We show that spatially encoding an optical fiber with a flexible and durable polymer film in a spiral pattern can significantly enhance sensor detection. After signal processing, the resulting device can detect the penetration of a submillimeter-diameter object in the soil, indicating more than a magnitude higher spatiotemporal resolution than previously reported with underground monitoring techniques. Additionally, we also developed computational models to visualize the roots of tuber crops and monocotyledons and then applied them to radish and rice to compare the results with those of X-ray computed tomography. The device's groundbreaking sensitivity and spatiotemporal resolution enable seamless and laborless phenotyping of root systems that are otherwise invisible underground.
  • Publisher: England: BioMed Central Ltd
  • Language: English
  • Identifier: ISSN: 1746-4811
    EISSN: 1746-4811
    DOI: 10.1186/s13007-024-01160-z
    PMID: 38424594
  • Source: PubMed Central
    Springer Nature OA/Free Journals
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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