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Article
2005
Infrared Imaging for Plant Protection
Infrared Imaging for Plant Protection
Abstract (English)
Fungi infections, which may cause variations of plants’ surface tem- perature, can be recognised by infrared cameras in the thermal range (MIR: λ = 8-12 μm) under laboratory conditions. In the field, pro- nounced natural temperature variations of several Kelvin within the crop canopy prevent the recognition of infected plants by commercial thermal vision systems as stand-alone solutions. Near infrared cam- eras ( λ = 0.9-1.7 μm) fitted with band-pass filters show different inten- sity distributions of the reflected radiation. The evaluation of the spec- tral intensity relations improves the differentiation. By NIR several im- portant contents (H 2 O, sugars, acids, etc.) of the surface tissue cells are measured, whereas thermography determines the plant transpiration.
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Agrartechnische Forschung, 11 (2005), 3. ISSN: 0948-7298
Faculty
Faculty of Agricultural Sciences
Institute
Institute of Agricultural Engineering
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Language
English
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Sustainable Development Goals
BibTeX
@article{Hellebrand2005,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/10401},
author = {Hellebrand, Hans Jürgen and Dammer, Karl-Heinz and Beuche, Horst et al.},
title = {Infrared Imaging for Plant Protection},
journal = {Agrartechnische Forschung},
year = {2005},
volume = {11},
number = {3},
}