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Imaging of chlorophyll a fluorescence in natural compound-induced stress detection

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Imaging of chlorophyll a fluorescence in natural compound-induced stress detection

Sánchez Moreiras, Adela María; Graña Martínez, Elisa; Reigosa Roger, Manuel Joaquín; Araniti, Fabrizio
 
DATE : 2020-12-21
UNIVERSAL IDENTIFIER : http://hdl.handle.net/11093/2342
UNESCO SUBJECT : 2417 Biología Vegetal (Botánica) ; 2417.19 Fisiología Vegetal ; 2302.25 Fotosíntesis
DOCUMENT TYPE : article

ABSTRACT :

Imaging of chlorophyll a fluorescence (CFI) represents an easy, precise, fast and noninvasive technique that can be successfully used for discriminating plant response to phytotoxic stress with reproducible results and without damaging the plants. The spatiotemporal analyses of the fluorescence images can give information about damage evolution, secondary effects and plant defense response. In the last years, some studies about plant natural compounds-induced phytotoxicity have introduced imaging techniques to measure fluorescence, although the analysis of the image as a whole is often missed. In this paper we, therefore, evaluated the advantages of monitoring fluorescence images, presenting the physiological interpretation of different possible combinations of the most relevant parameters linked to fluorescence emission and the images obtained

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