Black Rot disease of brassicas is caused by the bacterium Xanthomonas campestris pv.campestris. It is a disease which causes blackening of veins, yellowing and death of leaves. Contaminated seed is considered to be the main source of infection. This study reports on the assessment of the efficacy of several chemicals, hot water and steam-air treatments to contol Black Rot contamination of cabbage seeds and their effect on seed germination.