Monday, 7 November 2005 - 2:30 PM
60-5

Large Scale Evaluation of Polymer Coated Cottonseed for Planting Purposes.

Daniel Olivier, Texas Tech University, 1902 77th Street, Lubbock, TX 79423, Norman Hopper, Texas Tech University and Texas A&M Agricultural Experiment Station, Agri Sci. & Nat. Res., Texas Tech University, Lubbock, TX 79409-2123, and Tom Wedegaertner, Cotton Incorporated, 6399 Weston Parkway, Cary, NC 27513.

For the past ninety five years, cottonseed intended for planting purposes has been exposed to an acid delinting process, which allows seed to flow in a single seed manner required for mechanical planting. This process of delinting cottonseed is very effective and inexpensive, yet there are certain concerns associated with the process which could potentially be very hazardous to the seed, workers, and environment. The objective of this study was to evaluate the performance of a polymer starch coating applied to partially mechanical delinted fuzzy cottonseed as an alternative method of preparing cottonseed for planting purposes. The study was performed on large scale replicated plot trials using producers land and equipment with cultivars which were well adapted to the growing environment. For the Field Establishment Percent we did not observe any significant differences, the starch coated seed performed statistically and numerically similar to the acid delinted seed. For the Emergence Rate Index we saw no differences between the two treatments at all locations with the exception of one, where the acid delinted performed significantly higher than the starch coated treatment.

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