Efficacy of Preharvest Fungicides for Control of Brown Rot of Peach in Byron, Georgia (U.S.A.), 2024

Brown rot, caused by the pathogen Monilinia fructicola, is an economically important disease of peach, Prunus persica. The disease ultimately results in rot of peach fruit prior to and after harvest, and it can result in 100% losses if fungicides are not utilized in years with high moisture. This report evaluates the efficacy of several preharvest fungicides, in either solo or sequential applications, for the control of brown rot in Byron, Georgia (U.S.A.) in a block of ‘Flameprince’ peaches in 2024. The results of this trial will help peach growers make better management decisions for control of brown rot.