Charles Overstreet, LSU Agricultural Center, Department of Plant Pathology and Crop Physiology, Baton Rouge, LA, Edward C. McGawley, Dept. of Plant Pathology and Crop Physiology, Baton Rouge, LA, Dennis Burns, LSU Agricultural Center, St. Joseph, LA, R. L. Frazier, LSU Agricultural Center, Tallulah, LA and Roberto Barbosa, LSU Agricultural Center, Dept. of Biological and Agricultural Engineering, Baton Rouge, LA