Present address: Horticulture Dept., Georgia Experiment Station, Experiment, GA 30212.
To whom reprint request should be sent.
Received for publication 8 Oct. 1983. Florida Agricultural Experiment Station Journal Series No. 5486. The authors express appreciation to Paul Ecke Poinsettias, Inc. and American Florists Endowment for their support of this project. 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.