Influence of Ozone Stress on Spectral Characteristics and Chlorophyll Content of Woody Plant Leaves
CHENG Xiaoyun
LUO Chunwang
LIU Qijing
ZHOU Yashuang
MENG Shengwang
Abstract：In order to research the effect of ozone (O3) on woody plant species,the study explored the sensibility of subtropical common woody species to O3 in the field,measured hyperspectral reflectance of leaves using the portable spectrometer,extracted the reflectance of red edge position,analyzed the variation of spectral signature in the before and after ozone injured,then calculated the effect of O3 injury to chlorophyll content of leaves with combining the generalized model of chlorophyll-reflection spectrum.The result showed that there are various kinds of damages on many woody species of subtropical by O3,leading to the spectrum reflectance significantly increased among the visible spectrum 450～680nm,red edge position significantly drifted to the blue wave and the chlorophyll content dramatically reduced.The study implied that the current concentration of tropospheric O3 has caused severe impacts on woody plants.
Keywords：ozoneinjury symptomred edge positionchlorophyll
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：8( 1-8 )