Wallace G. PillProfessor, Delaware Agriculture Experiment Station, Department of Plant and Soil Sciences, University of Delaware, Newark, DE 10717-1303. To whom reprint requests should be sent.
Ahmet KorkmazGraduate research assistant. Current address: Department of Horticulture, Clemson University, Clemson, S.C. 29634.
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Wallace G. Pill
Wallace G. PillProfessor, Delaware Agriculture Experiment Station, Department of Plant and Soil Sciences, University of Delaware, Newark, DE 10717-1303. To whom reprint requests should be sent.
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Bruce B. Cobb
Bruce B. CobbOwner and operator of ARC Greenhouses, Shiloh, N.J.
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