Assessment of pesticide coating on cereal seeds by near infrared hyperspectral imaging
(2017) Journal of Spectral Imaging — Vol. 6, n° 1, p. 1-7 (2017)
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- Seed treatment with pesticides requires the active substances to be applied at the target rate and homogeneously distributed between seeds of the same batch. Indeed, a lower dose may lead to insufficient plant protection while an overdose can increase the risk of phytotoxicity. Nowadays, chromatographic methods, such as ultra performance liquid chromatography (UPLC), are the preferred reference methods for the quality control of the pesticide coating. They are selective, sensitive, accurate and repeatable, but also expensive, destructive and time consuming. Moreover, they require a substantial amount of solvent. Alternative methods that avoid these drawbacks are needed. In this context, near infrared (NIR) spectroscopy seems to be an interesting technique to control the quality of seed treatment. Several studies have shown the potential of vibrational spectroscopy to detect pesticide residues in food using NIR spectroscopy1 and Raman2 technology. The potential of NIR spectroscopy has also been demonstrated to classify active principles and to assess their concentration for the quality control of commercial pesticide formulations.3 Other studies4,5 have proved that NIR spectroscopy used with a seed
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Vermeulen, P., Flémal, P., Pigeon, O., Dardenne, P., Fernandez Pierna, J. A., & Baeten, V. (2017). Assessment of pesticide coating on cereal seeds by near infrared hyperspectral imaging. Journal of Spectral Imaging, 6(1), 1-7. https://hdl.handle.net/2078.5/179575 (Original work published 2017)