Present address: Horticultural Research Station, Kirtipur, Kathmandu, Nepal.
Professor of Pomology.
Received for publication 27 May 1986. Portion of a dissertation submitted by M.R. in partial fulfillment of the requirements of the PhD at the Univ. of California, Davis. Appreciation is extended to D.E. Kester, D.J. Durzan, and V. Polito for guidance. Support for the project was provided by USDA Cherry project nos. 58-9AHZ-2-650 and 12-14-5001-304. 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.