Influence of curettage on Esca-diseased <i>Vitis vinifera</i> L. cv. Sauvignon blanc plants on the quality of musts and wines

Aim: A study on Sauvignon blanc (SB) cultivar in France showed that curettage had an effect the resilience of GTD grapevines. No experiments, however, have been conducted its effects wine quality, particularly white wines.Methods and results: Grapevines from expressed Esca-foliar symptoms were used for study, with some them having curetted 2014. Subsequently, bunches Control (asymptomatic), Curetted Esca-symptomatic vines harvested 2017 2018 order to produce wine. Technical chemical results both must wines plants similar those asymptomatic vines. There differences, Esca-diseased vines, where alcoholic fermentation musts was faster than other modalities. Olfactometry that, one-year-old vintage wines, no differences detected, although they vintage.Conclusion: The analyses tasting grapevines similar, their quality same.Significance study: compared ones confirmed validated through sensory wines.