For the in vitro trial in Petri dishes, the in vivo assays on tomato fruit, the disk diffusion and spore germination assays, analysis of variance (ANOVA) was performed using the GLM procedure in SAS ( SAS Institute, 2004). When significant (P ⩽ 0.05), means were separated using Fisher’s protected least significant difference (LSD) test at α level = 0.05. For the repeated experiments (i.e., the in vivo trials on tomato fruit), ANOVA indicated that there was no significant difference between the two experiments. These data were therefore combined and analyzed as a single experiment.