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. 2020 Jul 30;11:1683. doi: 10.3389/fmicb.2020.01683

FIGURE 3.

FIGURE 3

Virulence assay of R. solanacearum T3Es mutants with combined deletion of four families in tobacco plants with leaf infiltration. Virulence of OE1-1 was compared with that of (A) RK7075 (Dgala Dskwp, OE1-1D13E), (B) RK7083 (Dgala Dskwp Dhlk, OE1-1D16E), and (C) RK7113 (Dgala Dskwp Dhlk Dawr, OE1-1D21E). Wilt symptoms were inspected daily and scored on a disease index scale from 0 to 4. Each assay was repeated with at least four biological replicates using 12 plants per trial. The mean values of all experiments were averaged with SE. A t-test was conducted each day, and asterisks indicated a significant difference (p < 0.05).