Fig. 6

Combined application of BcIEB1 with metalaxyl-M or azoxystrobin alleviated plant disease symptoms caused by P. capsica. a and b Combined application of BcIEB1 with metalaxyl-M significantly reduced plant susceptibility to P. capsici. Leaves of N. benthamiana were infiltrated with BcIEB1 (1 μM), different concentrations of metalaxyl-M, or BcIEB1(1 μM) plus metalaxyl-M (5 μg/mL) for 1 d. The leaves were inoculated by P. capsici strain LT263 and photographed 36–48 h later under UV light. The lesion areas were measured and calculated (mean ± SD, n ≥ 6, different letters indicate significant difference at P < 0.05, one-way ANOVA followed by Tukey's post hoc test). Scale bars: 1 cm. All experiments were performed three times with similar results