Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu
With recent rains, snap beans are at risk of Pythium pod rot. Recently the EPA approved Ridomil Gold Copper for use on Pythium pod rot in both Maryland and Delaware. Begin applications when Pythium pod rot first occurs and continue on a 7 to 10-day schedule. Apply 1 pack of Ridomil Gold Copper (5 lbs product)/2.5 acres. Ridomil Gold Copper has a 3 day PHI, and there is a limit of four applications per season.