Project Number: 2034-43000-041-05-A
Project Type: Cooperative Agreement
Start Date: Sep 30, 2020
End Date: Apr 30, 2021
Evaluate the effectiveness of postharvest treatments such as natamycin for control of gray mold in stored table grapes.
The biofungicide, natamycin, applied as postharvest treatments using different application technologies will be evaluated for control of postharvest gray mold in table grapes. Freshly harvested table grapes will be brought to the laboratory and treated with natamycin by either dipping or fogging (a high-pressure spraying) the grape clusters. Different concentrations of natamycin will be tested. Part of the berries will also be inoculated with the pathogen. Grapes will be kept in cold storage and then evaluated for decay development. Impact of the treatments on grape cluster appearance will also be evaluated.