Jared R. Whitaker, University of Georgia, Statesboro, GA, Darrin M. Dodds, Mississippi State University, Mississippi State, MS, Christopher L. Main, University of Tennessee, Jackson, TN, L. T. Barber, Division of Agriculture, University of Arkansas, Little Rock, AR, R. K Boman, Texas AgriLife Extension Service, Lubbock, TX and J. E. Woodward, Texas A&M AgriLife Extension Service, Lubbock, TX