Water deficit impacts on the development of the grape without dramatically changing the levels in thiol precursors - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement
Communication Dans Un Congrès Année : 2023

Water deficit impacts on the development of the grape without dramatically changing the levels in thiol precursors

Résumé

The use of new fungus disease-tolerant grapevine varieties is a long-term and promising solution to reduce chemical input in viticulture. However, little is known about the effects of water deficit (WD) on the thiol aromatic potential of new varieties coming up from breeding programs. Varietal thiols such as 3-sulfanylhexan-ol (3SH), 4-methyl-4-sulfanylpentan-2-one (4MSP) and their derivatives are powerful aromatic compounds present in wines coming from odorless precursors in grapes, and could contribute to the wine typicity of such varieties. This study aimed to characterize the fruit response of 6 new INRAE fungus disease-tolerant varieties and the Syrah control in (i) thiol precursor levels and (ii) main primary metabolites accumulation.
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Dates et versions

hal-04574911 , version 1 (14-05-2024)

Identifiants

  • HAL Id : hal-04574911 , version 1

Citer

Luciana Wilhelm de Almeida, Laurent Jean-Marie Torregrosa, Gabriel Dournes, Anne Pellegrino, Hernan Ojeda, et al.. Water deficit impacts on the development of the grape without dramatically changing the levels in thiol precursors. Giesco 2023, International Viticulture & Enology Society - IVES, Jul 2023, New York (NY), États-Unis. ⟨hal-04574911⟩
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