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Detection of mechanical and disease stresses in citrus plants by fluorescence spectroscopy

机译:荧光光谱法检测柑橘类植物的机械和疾病胁迫

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We have investigated the detection of mechanical and disease stresses in citrus plants (Citrus limonia [L.] Osbeck) using laser-induced fluorescence spectroscopy. Due to its economic importance we have chosen to investigate the citrus canker disease, which is caused by the Xanthomonas axonopodis pv. citri bacteria. Mechanical stress was also studied because it plays an important role in the plant's infection by such bacteria. A laser-induced fluorescence spectroscopy system, composed of a spectrometer and a 532 nm 10 mW excitation laser was used to perform fluorescence spectroscopy. The ratio of two chlorophyll fluorescence bands allows us to detect and discriminate between mechanical and disease stresses. This ability to discriminate may have an important application in the field to detect citrus canker infected trees. (c) 2008 Optical Society of America.
机译:我们已经研究了使用激光诱导荧光光谱法检测柑桔类植物(柑桔属[L.] Osbeck)中的机械胁迫和疾病胁迫。由于其经济重要性,我们选择研究由轴突黄单胞菌(Xanthomonas axonopodis pv)引起的柑橘溃疡病。柠檬细菌。还研究了机械胁迫,因为它在这种细菌对植物的感染中起着重要作用。由光谱仪和532 nm 10 mW激发激光器组成的激光诱导荧光光谱系统用于执行荧光光谱。两个叶绿素荧光带的比率使我们能够检测并区分机械压力和疾病压力。这种区分能力可能在检测柑橘溃疡病感染树木的领域中具有重要的应用。 (c)2008年美国眼镜学会。

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