Use of Proradix(RTM: Plant protecting agent comprising bacteria Pseudomonas sp.(DSMZ 13134)) for the treatment of plants and/or seeds against the infection(s) by a bacterial pathogen, is claimed. Independent claims are included for: (1) a method for preparing an agent for treating plants and/or seeds against infections with bacterial pathogens, comprising providing an amount of Proradix(RTM: Plant protecting agent comprising bacteria Pseudomonas sp.(DSMZ 13134)) and formulating the bacteria; and (2) a method for treating plants and/or seeds against infections with bacterial pathogens, comprising providing the plants and/or seeds and incubating the plants and/or seeds with the Proradix(RTM: Plant protecting agent comprising bacteria Pseudomonas sp.(DSMZ 13134)). ACTIVITY : Antibacterial. MECHANISM OF ACTION : None given.