Grapevine bacterial canker in the State of São Paulo, Brazil: detection and eradication

Symptoms of bacterial canker of grapevine in the variety Red Globe were observed in August 2009 in an orchard at Tupi Paulista, Sao Paulo State, Brazil, and the causal agent Xanthomonas campestris pv. viticola was identified by pathological and molecular tests. Eradication procedure was adopted and approximately 4,700 plants were destroyed. A survey was conducted on grape-producing regions in the state of Sao Paulo, which found no other contaminated orchard, and this bacterial species is considered absent in the state.