Angus Catchot¹, Fred Musser¹, Scott D. Stewart², Gus M. Lorenz³, Glenn Studebaker¹, and Ralph D. Bagwell⁴. (1) Mississippi State University, Clay Lyle Bldg., Mississippi State, MS 39762, (2) The University of Tennessee, West TN Research and Education Center, 605 Airways Blvd., Jackson, TN 38301, (3) Univ. of Arkansas CES, P.O. Box 391, 2301 S. University Ave., Little Rock, AR 72203, (4) LSU Agcenter, 212B Macon Ridge Rd., Winnsboro, LA 71295