Fig. 5.

Combined treatment effects of different vitamins on in vitro antifungal activities to Botrytis cinerea and in planta protection against grey mould infection in tomato leaves. (A) In vitro conidial germination and (B) in vitro mycelial growth of B. cinerea treated with different combinations of vitamins. (C) Lesion development on the B. cinerea-inoculated tomato leaves pretreated with different combinations of vitamins. Means followed by the same letter are not significantly different at 5% level by least significant difference test. The same letter above bars represented no significant difference between treatments. T, 20 mM thiamine; N, 20 mM niacin; P, 20 mM pyridoxine; M, 20 mM menadione.