Kevin D. Baker, USDA, Agricultural Research Service, SW Cotton Ginning Research Lab, 300 E. College Dr., P.O. Box 578, Mesilla Park, NM 88047 and S. Ed Hughs, USDA-ARS, Southwestern Cotton Ginning Research Laboratory, PO Box 578, 300 E. College Dr., Las Cruces, NM 88047.
A laboratory study using a straight spindle from a Rust picker and a tapered, barbed spindle from a Case-IH picker was conducted. Operating speeds of 2000, 3000, and 4000 rpm were used in the study, and fiber moisure content was approximately 8%. The picked bolls from two upland varieties were ginned on a laboratory-size (breeder's) saw gin, while those from a Pima variety were ginned on a similarly sized roller gin. Samples will be analyzed using HVI and AFIS test equipment, with particular emphasis on differences in neps and seed coat fragments.
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Recorded presentation
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