Figure 1.

Disease symptoms and bacterial growth in tomato plants infected with Cmm. Four-week-old plants of the tomato line Rio Grande were inoculated with a suspension of Cmm bacteria at a titer of 10⁸ cfu/mL in the stem region between the cotyledons or mock inoculated. A, Leaves and stems photographed at 4, 8, and 12 dpi. B, Bacterial populations estimated from stem samples harvested at different time points during an 11-d period after inoculation. Data represent the mean ± se (n = 3).