Diagnosis of Susabi-nori (Porphyra yezoensis) by Fluorescence Spectroscopy(<Special Issue>Plant Production Applied by Lighting Technology)

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  • Okamoto Tamotsu
    Department of Electrical and Electronic Engineering, Kisarazu National College of Technology
  • Takahashi Kunio
    Division of Natural Science Education, Kisarazu National College of Technology
  • Hayashi Toshihiro
    Tokyo Bay Fisheries Laboratory, Chiba Prefectural Fisheries Research Center
  • Shimada Yushi
    Tokyo Bay Fisheries Laboratory, Chiba Prefectural Fisheries Research Center

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  • 蛍光分光による海苔の生育診断(<特集>光技術を応用した植物栽培)
  • 蛍光分光による海苔の生育診断
  • ケイコウ ブンコウ ニ ヨル ノリ ノ セイイク シンダン

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Abstract

Conventionally, fishermen diagnose the influences of the diseases and the stresses by means of the visual inspection or the optical-microscope observation. However, a quantitative evaluation technique is required for more stable production in the nori cultivation. Therefore, we proposed laser-induced fluorescence (LIF) method for diagnostics of Susabi-nori (Porphyra yezoensis). In this paper, influences of the diseases and the stresses on the fluorescence spectra, the dependence of fluorescence spectra on the excitation wavelength and fluorescence distribution are described.

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