In-situ plant analysis apparatus, method for tracking the...

G - Physics – 01 – N

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G01N 21/64 (2006.01)

Patent

CA 2688260

The invention relates to an apparatus for analysing plants by light excitation and fluorescence measurement that can be used in-situ without preparing the plants. The invention further relates to an apparatus for evaluating the content of a compound in the skin or the epidermis of the plant. Based on the use of such an apparatus, the invention also relates to a method for evaluating and tracking the evolution and maturation of a culture, and to a method for controlling and managing plant processing. The geometry of the apparatus is characterised in that the direction of the excitation light rays and the direction of the fluorescent light rays are not colinear. The apparatus includes several sets of emitters at different wavelengths each including several emitters, and can be used for measuring a plurality of excitation-fluorescence combinations.

La présente invention concerne un appareil d'analyse de végétaux, par excitation lumineuse et mesure de fluorescence, utilisable sur le terrain sans préparation des végétaux. Elle concerne en outre un appareil d'évaluation de la teneur d'un composé dans la peau ou l'épiderme d'un végétal. A partir de l'utilisation d'un tel appareil, l'invention concerne aussi un procédé d'évaluation et de suivi de l'évolution et de la maturation d'une culture, ainsi qu'un procédé de contrôle et de pilotage de traitement de végétaux. La géométrie de l'appareil est caractérisée par une direction des rayons de la lumière d'excitation et une direction des rayons lumineux de fluorescence non colinéaires entre elles. L'appareil comporte plusieurs jeux d'émetteurs de longueurs d'onde différentes, comprenant chacun plusieurs émetteurs, et permet de mesurer une pluralité de combinaisons excitation-fluorescence.

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