Jeff Gore¹, Angus Catchot², D. R. Cook¹, Gus M. Lorenz³, B.R. Leonard⁴ and Scott D. Stewart⁵, (1)Mississippi State University, Stoneville, MS, (2)Mississippi State University, Mississippi State, MS, (3)University of Arkansas Cooperative Extension Service, Little Rock, AR, (4)LSU AgCenter, Macon Ridge Research Station, Winnsboro, LA, (5)The University of Tennessee, Jackson, TN