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Ethanol application at veraison decreases acidity in Cabernet Sauvignon grapes

Chervin, Christian and El-Kereamy, Ashraf and Ibrahim, H. and Garcia, M. and Dedieu, F. and Romieu, C. and Ollat, N. and Roustan, Jean-Paul Ethanol application at veraison decreases acidity in Cabernet Sauvignon grapes. (2002) Vitis, vol. 4 (n° 3). pp. 155-156. ISSN 0042-7500

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Official URL: http://www.bafz.de/baz2006V4/index.php?id=425

Abstract

Spraying ethanol (5% v/v in water)onto grape clusters at mid-veraison led to a 30 % drop in the malic acid concentration at harvest. As a consequence, tritable acidity also dropped by 10 %. The concentration of tartaric acide did not change significantly. The mode of action of ethanol on malic acid metabolism is discussed.

Item Type:Article
Additional Information:Thanks to Bundesforschungsanstalt für Rebenzüchtung Geilweilerhof editor. The definitive version is available at http://www.bafz.de/baz2006V4/index.php?id=319 The original PDF of the article can be found at Vitis website : http://www.bafz.de/baz2006V4/index.php?id=425
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Institut National de la Recherche Agronomique - INRA
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > Montpellier SupAgro (FRANCE)
Other partners > Université de Montpellier 1 (FRANCE)
Laboratory name:
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Deposited By:Dabernat Séverine

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