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LOGO: Journal of Cotton Science


Beltwide Cotton Quality Before and After Lint Cleaning

Authors: Derek P. Whitelock, Carlos B. Armijo, J. Clif Boykin, Michael D. Buser, Gregory A. Holt, Edward M. Barnes, Thomas D. Valco, Dennis S. Findley Jr., and Michael D. Watson
Pages: 282-291
Engineering and Ginning

A two-year, commercial cotton gin sampling project was conducted during the 2005-06 and 2006-07 ginning seasons to assess the changes in upland cotton quality during the ginning process and throughout the ginning season across the entire cotton belt. This report summarizes the cotton quality information collected to establish a baseline for cotton quality before and after saw-type lint cleaning for future research efforts to address cotton short-fiber content and fiber entanglements (neps) that occur during processing. Fiber quality measurements of ginned lint sampled before and after saw-type lint cleaning followed expected trends in that lint cleaning improved color grades, reduced foreign matter content, reduced fiber length and length uniformity, and increased short-fiber content and neps. Fiber quality measurements before and after lint cleaning summarized by cotton growing region showed similar trends to those summarized across the cotton belt. Differences in fiber quality measurements among regions were presented but not compared as many could likely be attributed to cultivar and environmental differences among sampling sites. As part of a broader effort, this report should aid in developing innovative approaches to clean and maintain the quality of cotton fiber, while reducing short-fiber content and neps.