R. E. ByersDept. of Horticulture, Virginia Polytechnic Institute and State University, Winchester Fruit Research Laboratory, Winchester, VA 22601
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R. S. Young
R. S. YoungDivision of Plant Science, West Virginia University, University Experiment Farm, Kearney sville, WV 25430
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Contributor Notes
Received for publication March 29,1978.
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.