FIG 1.

Population of wild-type P. brassicacearum LBUM300 and isogenic mutant strains LBUM300ΔphlD and LBUM300ΔhcnC in the rhizosphere of tomato plants, represented by the phlD gene copy number detected per gram of soil at 24 h, 72 h, 120 h, 168 h, 216 h, and 264 h postinoculation using qPCR (n = 8 for each treatment). The mean of all times within each treatment is indicated by a white bar, and treatments showing different letters are significantly different (P < 0.05). Error bars are standard errors of the means.