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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/55936

    Título
    Abscisic acid and ethephon treatments applied to ‘Verdejo’ white grapes affect the quality of wine in different ways
    Autor
    González, Raquel
    González García, María RosaAutoridad UVA Orcid
    Martín Peña, PedroAutoridad UVA Orcid
    Año del Documento
    2018
    Editorial
    Universidade de São Paulo (Brasil)
    Descripción
    Producción Científica
    Documento Fuente
    Scientia Agricola, 2018, Vol.75, Nº. 5, p.381-386
    Zusammenfassung
    Exogenous ethephon and abscisic acid (ABA) treatments are used worldwide to improve the coloring of red table grapes, but there is little information about their impact on the quality of white grapes and wines. The aim of this work was to evaluate the effects of exogenous ethephon and ABA applications at veraison on the composition of ‘Verdejo’ white grapes, and on the quality of their wines. To attain this objective, a field trial was carried out in a ‘Verdejo’/110 Richter vineyard located in north-central Spain. Two levels of ethephon (0 and 1500 mg L−1) and ABA (0 and 800 mg L−1) were sprayed on clusters at veraison, in a factorial design for three consecutive seasons. Ethephon and ABA had additive effects, decreasing titratable acidity and increasing pH of the must, which could be exploited by accelerating the grape ripening process in cold-climate zones. Nevertheless, each growth regulator affected the composition and sensory analysis of the wines differently. Ethephon treatments produced wines with lower concentration of acids and better flavor quality than those made from untreated plants, while wines with ABA applications tended to have a higher ethanol concentration and poorer aroma quality than controls. The wines submitted to treatments with ethephon obtained the best overall evaluation in the sensory analysis throughout the trial.
    Materias (normalizadas)
    Uvas - Análisis
    Verdejo (Vino)
    Vinos y vinificación - Análisis
    Wine tasting
    Plantas - Reguladores del crecimiento
    Fruit - Ripening
    Vid - Cultivo
    Materias Unesco
    3309.29 Vino
    5102.01 Agricultura
    ISSN
    1678-992X
    Revisión por pares
    SI
    DOI
    10.1590/1678-992X-2017-0177
    Patrocinador
    Junta de Castilla y León (Proyecto VA087/04)
    Version del Editor
    https://www.scielo.br/j/sa/a/Nhx3C8pTTYX5HNdZYBHfpLR/?lang=en
    Propietario de los Derechos
    © Universidade de São Paulo (Brasil)
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/55936
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • GIRVITEN - Artículos de Revista [7]
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    Dateien zu dieser Ressource
    Nombre:
    Abscisic-acid-and-ethephon-treatments-applied-to-Verdejo.pdf
    Tamaño:
    250.6Kb
    Formato:
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