Brian Arnall, Oklahoma State University, Stillwater, OK, Charles Mitchell, Auburn University, Auburn, AL, Robert P. Flynn, New Mexico State University, Artesia, NM, M. L. McFarland, Texas AgriLife Extension, College Station, TX, M. Mozaffari, University of Arkansas, Fayetteville, AR and Deanna Osmond, North Carolina State University, Raleigh, NC