1. Centro de Investigaciones Biotecnologicas del Ecuador (CIBE), Escuela Superior Politecnica del Litoral (ESPOL), Guayaquil, Guayas EC090150, Ecuador
2. Department of Plant Pathology, University of Georgia, Athens, GA 30602, USA
3. Department of Plant Pathology, North Carolina State University, Raleigh, NC 27607, USA
4. Department of Plant Pathology, University of Florida, Gainesville, FL 32605, USA
5. USDA-ARS, Horticultural Crops Research Unit, Corvallis OR 97331, USA