Institution: | a Instituto de Fitosanidad, Colegio de Postgraduados, km 36.5 Carretera Mexico-Texcoco, Texcoco 56230, Estado de Mexico, Mexico b Cooperative Extension Specialist, Department of Plant Pathology, University of California, Davis, CA 95616, USA c Department of Plant Pathology, North Florida Research and Education Center, University of Florida, Quincy, FL 32351, USA |