Spectroscopy and Spectral Analysis, Volume. 42, Issue 9, 2935(2022)
Hyperspectral Inversion Model of Pectin Content in Wheat Under Salt and Physical Damage Stresses
Fig. 1. Changes of pectin content in wheat leaves under different stress factors in the first week
(a): Under single stress factor; (b): Under multiple stress factors
Fig. 2. Average pectin contents in wheat leaves corresponding to different stress factors in the first week
Different lowercase letters indicate the significant difference between different treatments at
Fig. 3. Hyperspectral characteristics of wheat leaves under different stress factors
(a): Under single stress factor; (b): Under multiple stress factors
Fig. 4. Characteristic wavelength extraction by correlation coefficient method
(a): Correlation between original spectra and pectin content in wheat leaves; (b): Correlation between first-derivative spectra and pectin content in wheat leaves
Fig. 5. (a) The relationship between the pectin content predicted by the optimal model and the pectin content measured by the kit; (b) Precision evaluation of the proposed pectin prediction model
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Zhao-jia PIAO, Hai-ye YU, Jun-he ZHANG, Hai-gen ZHOU, Shuang LIU, Li-juan KONG, Jing-min DANG. Hyperspectral Inversion Model of Pectin Content in Wheat Under Salt and Physical Damage Stresses[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2935
Category: Research Articles
Received: Jul. 21, 2021
Accepted: Oct. 21, 2021
Published Online: Nov. 17, 2022
The Author Email: Zhao-jia PIAO (piaozj18@mails.jlu.edu.cn)