1. Laboratory of Molecular Phytobacteriology; Department of Plant Pathology; Universidade Federal de Viçosa; Ave. P. H. Rolfs s/n Viçosa 36570-900 MG Brazil
2. Laboratory of Plant Protection-BIOAGRO/BIOCAFE; Department of Plant Pathology; Universidade Federal de Viçosa; Ave. P. H. Rolfs s/n Viçosa 36570-900 MG Brazil