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Monitoring the Chlorophyll Fluorescence Parameter F-v/F-m in Compact Corn Based on Different Hyperspectral Vegetation Indices

文献类型： 外文期刊

作者： Tan Chang-wei 1 ; Huang Wen-jiang 2 ; Jin Xiu-liang 1 ; Wang Jun-chan 1 ; Tong Lu 1 ; Wang Ji-hua 2 ; Guo Wen-shan 1 ;

作者机构： 1.Yangzhou Univ, Key Lab Crop Genet & Physiol Jiangsu Prov, Key Lab Crop Physiol Ecol & Cultivat Middle & Low, Minist Agr, Yangzhou 225009, Peoples R China

2.Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

关键词： Hyperspectral vegetation index; F-v/F-m; Monitoring model; Compact corn

期刊名称：SPECTROSCOPY AND SPECTRAL ANALYSIS （ 影响因子：0.589； 五年影响因子：0.504 ）

ISSN： 1000-0593

年卷期： 2012 年 32 卷 5 期

页码：

收录情况： SCI

摘要： In order to further assess the feasibility of monitoring the chlorophyll fluorescence parameter F-v/F-m in compact corn by hyperspectral remote sensing data, in the present study, hyperspectral vegetation indices from in-situ remote sensing measurements were utilized to monitor the chlorophyll fluorescence parameter F-v/F-m measured in the compact corn experiment. The relationships were analyzed between hyperspectral vegetation indices and F-v/F-m, and the monitoring models were established for F-v/F-m in the whole growth stages of compact corn. The results indicated that F-v/F-m was significantly correlated to the hyperspectral vegetation indices. Among them, structure-sensitive pigment index (SIPI) was the most sensitive remote sensing variable for monitoring F-v/F-m with correlation coefficient (r) of 0.88. The monitoring model of F-v/F-m was established on the base of SIPI, and the determination coefficients (r(2)) and the root mean square errors (RMSE) were 0.812 6 and 0.082 respectively. The overall results suggest that hyperspectral vegetation indices can be potential indicators to monitor F-v/F-m during growth stages of compact corn.

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