1. Preventive Veterinary Medicine Department, State University of Londrina, Campus UEL, Londrina, PR, Brazil
2. Plant Sciences Department, University of California Davis, Davis, California, USA
3. Institute of Genetics and Biochemistry, Federal University of Uberlândia, Campus Umuarama, Uberlândia, MG, Brazil
4. Department of Plant Pathology and Microbiology, University of California Riverside, California, USA