Received for publication, March 21, 1978. Published with the approval of the Colo. Agric. Expt. Sta. Director as Scientific Series Paper No. 2341. Supported by a grant from Roses, Inc. and the Colorado Rose Committee.
The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper must therefore be hereby marked advertisement solely to indicate this fact.
Graduate student and professors of Horticulture and Botany respectively. This paper is a portion of the thesis submitted to fulfill the requirements for the Master’s Degree.