Received for publication 13 Nov. 1984. Published as Technical Paper No. 7342, Oregon Agr. Expt. Sta. The authors wish to acknowledge the assistance of Georgia Stem, Goldsmith Seeds, Inc., in the evaluation of self-incompatibility, and USDA Regional Plant Introduction Sta., Geneva, New York, in providing breeding materials. 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.