Resistance of Xanthomonas campestris pv. vesicatoria to pesticides
Surveys in the USA showed that Xanthomonas campestris pv. vesicatoria (EPPO A2 pest) has developed resistant strains to copper and streptomycin. 63% out of 70 sampled strains were copper resistant and 30% resistant to streptomycin.
Sources
Ritchie, D.F.; Dittapongpitch, V. (1991) Copper- and streptomycin-resistant strains and host differentiated races of Xanthomonas campestris pv. vesicatoria in North Carolina.
Plant Disease 75, 733-736.