Tomato fruit (cultivar ‘Roma’) were surface sanitized in 70% ethanol for 15 min, rinsed with sterile distilled water, and allowed to air dry. The skin of each tomato was pierced with a sterile needle to provide a wounded inoculation site (diameter 1.5 mm, depth 7 mm). Each wound was inoculated individually with 10 μL of fungal spore suspension (A. solani or B. cinerea). Following fungal inoculation, wounds were immediately treated with either 10 μL of sterile distilled water (controls), 10 μL of B. linens IC10 cell suspension, 10 μL of B. subtilis cell suspension or 5 μL each of B. linens IC10 and B. subtilis. Suspensions were used at the concentration indicated above to provide 1000:1 and 10,000:1 bacterial cell/fungal spore ratios as previously described ( Siripornvisal, 2010). In addition, 10 μL of each bacterial cell suspension was tested in the absence of fungal spores to assess the potential effect of the bacteria on the tomato fruit. Each tomato fruit was individually placed in a plastic container with a moistened paper towel to maintain relative humidity (RH > 95%). Containers were sealed and incubated in the dark at 20 °C for five (B. cinerea) to seven (A. solani) days. Symptoms of disease were measured as the average of two perpendicular diameters of the visible surface lesions following 5 and 7 days of incubation for A. solani and 3 and 5 days of incubation for B. cinerea. The experiments consisted of randomized complete block designs with three wounds per tomato and three replicates per treatment. The experimental unit was one tomato fruit in an individual container. The experiments were repeated twice.