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Dendrogram showing relationships among Xanthomonas strains causing CBC based on BOX PCR analysis. Similarities were calculated by using the Dice coefficient, and clustering was achieved by UPGMA using the NTSYS version 2.1 and MEGA version 2.0 programs. BG1 to BG5 strains are X. axonopodis pv. citri strains, while BG6 and BG7 strains are X. axonopodis pv. aurantifolii strains.
