The present invention relates to a Xanthomonas campestris pv. campestris (Xcc) resistant Brassica plant, and seeds, fruits and or plant parts thereof, and to methods for preparation thereof. Specifically, the present invention relates to a Xcc resistant Brassica oleracea plant, and seeds, fruits and/or plant parts thereof, and methods for preparation thereof. Further, the present invention relates to Quantitative Trait Loci (QTL's) providing the present Xcc resistance and molecular markers, specifically Random Amplified Microsatellite Polymorphism (RAMP) markers, for identifying the present QTL's.