1Received for publication Feb. 25, 1982. Scientific paper no. 6155, Washington State University, Agriculture Research Center, Pullman, WA 99164. Project no. 0051.
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.
2The technical assistance of L. C. Torre is gratefully acknowledged.
1018 Duke Street
Alexandria, VA 22314
© 2018-2023 American Society for Horticultural Science
Character limit 500/500