Control of bitter rot and ripe fruit rot in grape plants in the Andradas Region, MG, Brazil

Abstract

From 1984 to 1988, plants from Jacquez grape cultivar were tested with eight treatments to control bitter rot and ripe fruit rot, in Andradas Region, MG, Brazil. The best control treatment against these diseases was achieved with benomyl. The application of thiophanate methyl + Chlorothalonil had the least effect in controlling the occurrence of both rots, whereas plant defoliation allowed lower levels of incidence of the diseases in all treatments. The infestation of both diseases varied during the four years of the study, decreasing significantly in the latter two.