Abstract
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Contributor Notes
Received for publication July 14, 1979. Approved for publication as Journal Article No. 107-79 of the Ohio Agricultural Research and Development Center, Wooster, OH 44691. Taken in part from a thesis submitted by the senior author in partial fulfillment of of the requirements for the MS degree from The Ohio State University, Columbus.
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.
Former graduate associate, Department of Horticulture.
Present address: Professor and Head, Department of Horticulture, Waters Hall, Kansas State University, Manhattan, KS 66506.
The authors are indebted to Dr. Charles R. Krause, USDA–SEA–AR–Delaware, OH and Dr. Thomas N. Taylor, Department of Botany, The Ohio State University, Columbus, for the generous use of their Scanning Electron Microscope facilities.
Abstract
