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Ultraviolet-induced fluorescence for plant monitoring: present state and prospects

AutorCerović, Zoran G.; Samson, Guy; Morales Iribas, Fermín ; Tremblay, Nicolas; Moya, Ismaël
Palabras clavechlorophyll fluorescence
blue-green fluorescence
ultraviolet radiation
fluorescence lidar
remote sensing
Fecha de publicación1999
EditorEDP Sciences
CitaciónAgronomie 19 (1999) 543-578
Resumen[EN] UV excitation of green leaves induces two distinct, fundamentally different, but still complementary types of fluorescence: a blue-green fluorescence in the 400-630 nm range and the chlorophyll a fluorescence in the red to far-red region (630-800 nm) of the spectrum. The relative intensities of these two types of fluorescence are highly sensitive to intrinsic leaf properties and environmental factors. Therefore, fluorescence emission spectra induced by UV radiation can be considered as a complex fluorescence signature that can reveal much about the physiological state of the plant. UV-induced fluorescence of leaves provides us with information on photosynthesis, primary photochemical reactions and chlorophyll content, and also on the presence and accumulation of the product of the secondary metabolism and the redox state of the cell. In this review we pay particular attention to the present and potential application of these signals to active remote sensing of vegetation, i.e. fluorosensing.
URIhttp://hdl.handle.net/10261/4813
DOI10.1051/agro:19990701
ISSN1774-0746
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