Effects of irrigation and time of application on the yield and quality of cv. Cabernet sauvignon in a warm climate

Sanchez-Elez Martin, Sara; Fernández Gómez, Olga; Rodríguez Fernández, Lucía; García García, Elisa y Lissarrague Garcia-Gutierrez, Jose Ramon (2012). Effects of irrigation and time of application on the yield and quality of cv. Cabernet sauvignon in a warm climate. "Ciencia e Tecnica Vitivinicola", v. 27 (n. 2); pp. 94-98. ISSN 0254-0223.

Descripción

Título: Effects of irrigation and time of application on the yield and quality of cv. Cabernet sauvignon in a warm climate
Autor/es:
  • Sanchez-Elez Martin, Sara
  • Fernández Gómez, Olga
  • Rodríguez Fernández, Lucía
  • García García, Elisa
  • Lissarrague Garcia-Gutierrez, Jose Ramon
Tipo de Documento: Artículo
Título de Revista/Publicación: Ciencia e Tecnica Vitivinicola
Fecha: 2012
Volumen: 27
Materias:
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Producción Vegetal: Fitotecnia [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Mediterranean climate is characterized by hot summer, high evapotranspiration rates, and scarce precipitations (400 mm per year) during grapevine cycle. These extremely dry conditions affect vineyard productivity and sustainability. Supplementary irrigation is a needed practice in order to maintain yield and quality. Almost all Spanish grape growing regions are characterized by these within this context, especially in the center region, where this study was performed. The main objective of this work was to study the influence of irrigation on yield and quality. For this aim, we applied different levels of irrigation (mm of water applied) during different stages of growth and berry maturity. Four experimental treatments were applied considering the amount of water and the moment of the application: T1: Water irrigation (420 mm) applied from bloom to maturity. T2: Corresponded to the traditional irrigation scheduling, from preveraison to maturity (154 mm). T3: Water irrigation from bloom to preveraison, and water deficit from veraison to maturity (312 mm). T4: Irrigation applied from preveraison to maturity (230 mm) Experimental vineyard, cv. Cabernet Sauvignon, was located in a commercial vineyard (Bodegas Licinia S.L.) in the hot region of Morata de Tajuña (Madrid). The trial was performed during 2010 and 2011 seasons. Our results showed that yield increased from 2010 to 2011 in the treatments with a higher amount of water appli ed, T1 and T3 (24 and 10 % of yield increase respectively). This was mainly due to an increase in bud fertility (nº of bunches per shoot). Furthermore, sugar content was higher in T3 (27.3 ºBrix), followed by T2 (27 ºBrix). By contrast, T4 (irrigation from veraison) presented the lowest solid soluble concentration and the highest acidity. These results suggest that grapevine has an intrinsic capacity to adapt to its environment. However, this adaptation capacity should be evaluated considering the sensibility of quality parameters during the maturity period (acidity, pH, aroma, color...) and its impact on yield. Here, we demonstrated that a higher amount of water irrigation applied was no linked to a negative effect on quality.

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ID de Registro: 29044
Identificador DC: http://oa.upm.es/29044/
Identificador OAI: oai:oa.upm.es:29044
Depositado por: Memoria Investigacion
Depositado el: 16 Sep 2014 14:51
Ultima Modificación: 22 Sep 2014 11:44
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