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Sensors 2017, 17(11), 2596; https://doi.org/10.3390/s17112596

Potential Applications and Limitations of Electronic Nose Devices for Plant Disease Diagnosis

Department of Agricultural Sciences, Alma Mater Studiorum—University of Bologna, viale G. Fanin 44, 40127 Bologna, Italy
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Received: 9 October 2017 / Revised: 28 October 2017 / Accepted: 9 November 2017 / Published: 11 November 2017
(This article belongs to the Section Chemical Sensors)
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Abstract

Electronic nose technology has recently been applied to the detection of several plant diseases and pests, with promising results. However, in spite of its numerous advantages, including operational simplicity, non-destructivity, and bulk sampling, drawbacks include a low sensitivity and specificity in comparison with microbiological and molecular methods. A critical review of the use of an electronic nose for plant disease diagnosis and pest detection is presented, describing the instrumental and procedural advances of sensorial analysis, for the improvement of discrimination between healthy and infected or infested plants. In conclusion, the use of electronic nose technology is suggested to assist, direct, and optimise traditionally adopted diagnostic techniques. View Full-Text
Keywords: e-nose; VOCs; plant pathogen detection; pest infestation; gas sampling; sensor signal drift; relative humidity control e-nose; VOCs; plant pathogen detection; pest infestation; gas sampling; sensor signal drift; relative humidity control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Cellini, A.; Blasioli, S.; Biondi, E.; Bertaccini, A.; Braschi, I.; Spinelli, F. Potential Applications and Limitations of Electronic Nose Devices for Plant Disease Diagnosis. Sensors 2017, 17, 2596.

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