Originally presented at a symposium entitled Growth Regulators at the 68th Annual Meeting of the American Society for Horticultural Science at Kansas State University, Manhattan, Kansas on August 4, 1971. The symposium was sponsored by the Growth Regulator Committee, A. C. Leopold, Chairman. H. M. Cathey presided.
Department of Environmental Horticulture. Much of the original work was performed with the cooperation of T. Kretchun, T. Mock, and J. DeBie.