Chitosan is emerging as an alternative for the management of
diseases in fruits at the postharvest stage . A direct antifungal effect of chitosan has
been observed in B. cinerea,. The growth of this pathogen was
completely inhibited if 125 g L1 of chitosan was added to the
culture medium . Strawberry fruit from plants
treated with chitosan in the field in doses of 0.5, 1 and 2% showed a
reduced incidence of postharvest rot . The
postharvest incidence of strawberry rot decreased with increased
concentrations of chitosan (2, 4 and 6 g L1) applied to strawberry
plants