Fig. 6From: Antagonistic activity of endophytic actinobacteria from native potatoes (Solanum tuberosum subsp. tuberosum L.) against Pectobacterium carotovorum subsp. carotovorum and Pectobacterium atrosepticumInhibition of the violacein production of Chromobacterium violaceum ATCC 12472 (WT) by culture of Streptomyces sp. TP199. This according to the metal used. The bars represent the diameter sizes generated (inhibition halo in mm) of the colorless areas. Plot mean with SD. Different letters on the top of error bars indicate statistical significative differences (Tukey-test, p ≤ 0,05), n = 3Back to article page