Biocontrol agents (BCAs) have been widely investigated against postharvest pathogens on different fruit. Information on the mechanisms of action for most of the antagonists investigated is still incomplete, because of the difficulties encountered during the study of the complex interactions between host, pathogen, antagonist and other microorganisms. The biocontrol mechanisms operating against postharvest rots include competition for nutrients and space, biofilm formation, production of diffusible and volatile antimicrobial compounds, parasitism, release of hydrolases, induced resistance and oxidative stress. Often, more than one mechanism is implicated. Nowadays, advanced molecular techniques are contributing to elucidation of antagonistic mechanisms of BCAs.
Dissecting the mechanisms of action of biocontrol agents to control postharvest diseases of fruit
SPADARO, Davide Carmelo
2014-01-01
Abstract
Biocontrol agents (BCAs) have been widely investigated against postharvest pathogens on different fruit. Information on the mechanisms of action for most of the antagonists investigated is still incomplete, because of the difficulties encountered during the study of the complex interactions between host, pathogen, antagonist and other microorganisms. The biocontrol mechanisms operating against postharvest rots include competition for nutrients and space, biofilm formation, production of diffusible and volatile antimicrobial compounds, parasitism, release of hydrolases, induced resistance and oxidative stress. Often, more than one mechanism is implicated. Nowadays, advanced molecular techniques are contributing to elucidation of antagonistic mechanisms of BCAs.
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