A methodology is proposed to identify genetically modified sugarcane from non-genetically modified sugarcane by using terahertz spectroscopy and chemometrics techniques, including linear discriminant analysis (LDA), support vector machine-discriminant analysis (SVM-DA), and partial least squares-discriminant analysis (PLS-DA). The classification rate of the above mentioned methods is compared, and different types of preprocessing are considered. According to the experimental results, the best option is PLS-DA, with an identification rate of 98%. The results indicated that THz spectroscopy and chemometrics techniques are a powerful tool to identify genetically modified and non-genetically modified sugarcane.
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Published in Zhurnal Prikladnoi Spektroskopii, Vol. 85, No. 1, pp. 129–134, January–February, 2018.
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Liu, J., Xie, H., Zha, B. et al. Detection of Genetically Modified Sugarcane by Using Terahertz Spectroscopy and Chemometrics. J Appl Spectrosc 85, 119–125 (2018). https://doi.org/10.1007/s10812-018-0621-9
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DOI: https://doi.org/10.1007/s10812-018-0621-9