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Potential of near infrared spectroscopy in cotton micronaire determination

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2015 ASABE Annual International Meeting  152187806.(doi:10.13031/aim.20152187806)
Authors:   Yongliang Liu, Chris Delhom, Todd Campbell, Vikki Martin
Keywords:   Cotton fiber, quality, HVI micronaire, NIR, measurement.

Abstract. Near-infrared (NIR) spectroscopy technique was applied to the micronaire analysis of cotton fibers, as the micronaire parameter is an indicative of fiber maturity and fineness. A total of 381 cottons from the 2011 and 2012 crop year were scanned by NIR, and their micronaire components were analyzed by the well established high volume instrumentation (HVITM) protocol. Calibration model relating NIR spectral information to fiber HVI micronaire property were developed and then applied to both validation sample set from identical crop years and independent test sample set from 2014 crop year. Results indicated an acceptable bias (or differences between HVI measured and NIR predicted micronaire) and an over 97% of correctly micronaire predictions (within ± 0.3 range) in test set. Therefore, the development of a robust NIR model for rapid micronaire assessment at remote / breeding locations is feasible.

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