1. Plant Physiologist, National Peanut Research Laboratory, USDA, SEA/AR, P. O. Box 637, Dawson, GA 31742; Agricultural Engineer, harvesting and Processing Research, USDA, SEA/AR, Tifton, GA 31793; Assistant Professor, TAES, TAMU Plant Disease Research Station, Yoakum, TX 77995; Research Chemist, USDA, SEA/AR, NCSU, Raleigh, N. C. 27650, respectively