ABSTRACT The aim of this study to know the effect of several dilutions of Bacillus subtilis and to obtain a dilution capable of inducing tomatoes from attack by Xanthomonas campestris pv. vesicatoria. This study was conducted experimentally using a completely randomized design (CRD) with 4 treatments and 4 replications. The treatment used was the dilution of Bacillus subtilis which consisted o…