Three-Dimensional Chlorophyll Fluorescence Imaging for Detecting Effects of Herbicide on a Whole Plant

  • Akira Eguchi
  • Atsumi Konishi
  • Fumiki Hosoi
  • Kenji Omasa
Conference paper

Abstract

In This Study, A Three-Dimensional Image Of Chlorophyll A Fluorescence Of A Whole Plant Was Generated And Examined. After A Melon (Cucumis Melo L.) Plant Was Treated With Herbicide Containing 3-(3,4-Dichlorophenyl)-1,1-Dimethylurea (Dcmu), The Two-Dimensional Image Of Chlorophyll A Fluorescence Intensity Of The Plant Was Captured And Mapped Onto A Three-Dimensional Image Derived From Lidar (Light Detection And Ranging) Data. From The Image, It Was Observed That Increases In Chlorophyll A Fluorescence Intensity Appeared Along The Veins Of The Leaves. Dcmu Inhibited Photosynthetic Electron Transport, Which Consequently Caused Disappearance Of The Chlorophyll A Fluorescence Quenching. Therefore It Was Implied That The Herbicide Containing Dcmu Was Absorbed From The Root And Reached The Veins Of The Leaves Through The Stems. The Image Produced Allowed Three-Dimensional Observation Of Chlorophyll Fluorescence Intensity Of A Whole Plant From Any Point Of View. Consequently, We Could Recognize The Difference Of The Intensity At Regions Along The Veins In Mature Leaves.

Keywords

Chlorophyll fluorescence herbicide lidar photosynthetic electron transport threedimensional imaging 
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Copyright information

© Springer Science + Business Media, B.V. 2008

Authors and Affiliations

  • Akira Eguchi
    • 1
  • Atsumi Konishi
    • 1
  • Fumiki Hosoi
    • 1
  • Kenji Omasa
    • 1
  1. 1.Graduate school of Agricultural and Life SciencesThe University of TokyoBunkyo-ku, TokyoJapan

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