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J. AMER. SOC. HORT. SCI. 134(5):553–559. 2009.

Ryan N. Contreras
Department of Horticulture
The University of Georgia, Tifton Campus
Tifton, GA 31793-0748

John M. Ruter
Department of Horticulture
The University of Georgia, Tifton Campus
Tifton, GA 31793-0748

Wayne W. Hanna
Department of Crop and Soil Science
The University of Georgia, Tifton Campus
Tifton, GA 31793-0748