Fungicide-Saving Potential and Economic Advantages of Fungus-Resistant Grapevine Cultivars.

ABSTRACT: The high susceptibility of European grapevine cultivars to downy mildew (DM) and powdery mildew (PM) causes the intensive use of fungicides. Fungus-resistant cultivars (FRCs) with different resistance (R) loci have been bred and could play an important role in reducing plant protection treatments (PPTs). However, little information is available about the extent to which PPTs can be reduced in the field through the use of FRCs and the associated economic advantages. In this study, different strategies with reduced PPTs on FRCs were tested in field experiments. The results demonstrated that the number of PPTs can be reduced by 60 to 90%, resulting in reductions in applied copper and sulfur by 52 to 79% through the use of FRCs compared with susceptible cultivars, without affecting grap

SUBMITTER: Eisenmann B 

PROVIDER: S-EPMC10489737 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature