Remote Probing of Plant Photosynthetic Apparatus by Measuring Laser-Induced Fluorescence

Remote Probing of Plant Photosynthetic Apparatus by Measuring Laser-Induced Fluorescence Laser-induced fluorescence of birch, pine, and aspen trees was studied. The fluorescence of birch leaves, excited with a Xe–Cl laser at a wavelength of 308 nm, was measured under laboratory conditions. A persistent directly proportional dependence was found between the measured fluorescence signals and the chlorophyll content. An apparatus for measuring laser-induced fluorescence under field conditions was designed. Deciduous trees were found to have a wider range of fluorescence variability when compared to conifers, with the fluorescence intensity increasing in the leaves of deciduous trees before the autumn fall of leaves, during leaf yellowing. It is concluded that the method of lidar probing can be used for identifying tree species and assessing the condition of leaf and needle canopies. Russian Journal of Plant Physiology Springer Journals

Remote Probing of Plant Photosynthetic Apparatus by Measuring Laser-Induced Fluorescence

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Life Sciences; Plant Sciences
Publisher site
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