In vivo control efficacy of SH-1, SH-2, H3PO3, fosetyl-AI, and metalaxyl against P. capsici infection on pepper plants at the first-branch stage. (A) Foliar spray treatment on pepper plants just before stem wound inoculation. (B) Soil drench treatment 1 day before soil drench inoculation. The disease severity rating is based on a scale of 0 to 5 scale, with a score of 0 for no visible symptoms and a score of 5 for a dead plant. Means at each concentration followed by the same letter are not significantly different (P = 0.05) according to the least significant difference test.