Received for publication 14 Dec. 1987. Alabama Agricultural Experiment Station Journal Series no. 11-8714. We gratefully acknowledge the assistance of Grover B. Sowell, Jr. for discovery of resistance to Didymella bryoniae and in screening techniques and of H.M. Bryce, J.A. Pitts, and K.C. Short, Chilton Area Horticulture Substation, Clanton, Ala., in increasing seed for distribution and conducting evaluation trials. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.