3. Incidence of gray mold on ‘Thompson Seedless’ clusters inoculated with spores of B. cinerea prior to immersion for 30 s in 10 or
20% ethanol alone or in combination with 0.5 or 1.0% potassium sorbate (K-Sorb) and storage for 30 days at 1 ◦C. The experiment was
performed twice, (A) and (B) represent the first and second experiment, respectively. Columns with unlike letters differ significantly (P≤0.05).
(*) Synergistic effect according to Limpel’s formula.