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High eugenol content of Armagnac hybrid variety Baco Blanc, an asset in combating Botrytis cinerea

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Hastoy, Xavier | Poirier, Anaïs | Franc, Céline | Riquier, Laurent | Ségur, Marie-Claude | De Revel, Gilles | Fermaud, Marc

Edité par CCSD ; International Viticulture and Enology Society -

International audience. Baco Blanc is the grape variety specific to the wine spirit Armagnac. A hybrid vine with good tolerance, particularly to Botrytis cinerea, its berries have an atypical chemical composition. Specifically, they have a high concentration of the anti-fungal compound eugenol. This research demonstrates the effectiveness of eugenol concentrations against B. cinerea and their relationship to the ripeness of Baco Blanc This study explores the intra-varietal diversity of B. cinerea tolerance, a potential source of adaptation to environmental and climate issues.

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