P. A. CostiganNational Vegetable Research Station, Wellesbourne, Warwick, United Kingdom CV35 9EF
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S. J. Locascio
S. J. LocascioNational Vegetable Research Station, Wellesbourne, Warwick, United Kingdom CV35 9EF
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Contributor Notes
Received for publication May 6, 1982.
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.
On leave from the Vegetable Crops Department, IFAS, University of Florida, Gainesville, FL 32611.