Charles R. Krause, Richard C. Derksen, LeonaE. Horst, Ross D. Brazee, Michael G. Klein, and MichaelE. Reding, U.S. Department of Agriculture, Agricultural Research Service, Application Technology Research Unit, Ohio Agricultural Research and Development Center (OARDC), The Ohio State University, Wooster, Ohio; Randall Zondag, Ohio State University Extension, Lake County.
This research is sponsored in part through a grant from the Horticultural Research Institute, American Nursery and Landscape Association, Washington, D.C. The U.S. Department of Agriculture, Agricultural Research Service (ARS), Application Technology Unit also expresses its appreciation to Robert Lyons, President, Sunleaf Nursery, Madison, Ohio, and Colin Ruckle, President, Warner Kingwood Nursery, Willoughby Hills, Ohio, for the use of their respective nurseries during this long-term project.
The authors also wish to thank Rolly Hart for applying spray; Jay Daley and Ray Headly, Sunleaf Nursery; and Mac Fulton, Warner Kingwood Nursery, for their cooperation during this investigation.
Names are necessary to report factually on available data; however, the U.S. Department of Agriculture, Agricultural Research Service, and The Ohio State University neither guarantee nor warrant the standard of a product. Further, the use of the name by USDA or OSU implies no approval of the product to the exclusion of others that may be suitable. This article may be freely reprinted with customary crediting of the source.
Chatfield, J. A., E. A. Draper, and K. D. Cochran. 1996. Comprehensive aesthetic evaluations of crabapples in Ohio: 1993-1995. Malus: International Ornamental Crabapple Bulletin 10(1) 5-16.
Krause, Charles R. 2000. Partnerships with the Green Industry: the new Molecular and Cellular Imaging Center. Special Circular 177. Ohio Agricultural Research and Development Center, The Ohio State University, pp. 113-117.