1. Programa de Posgrado en Ciencias Agrícolas y Recursos Naturales, Facultad de Ciencias Agroalimentarias, Ciudad Universitaria Rodrigo Facio, Universidad de Costa Rica, San José 11503, Costa Rica
2. Institute of Food and Agricultural Sciences, Soil and Water Sciences Department, University of Florida, 2181 McCarty Hall A, P.O. Box
110290, Gainesville, Florida 32611, United States
3. United States Department of Agriculture, Agricultural Research Service, U. S. Horticultural Research Laboratory, 2001 South Rock Road, Fort Pierce, Florida 34945, United States