Effects of climate variability on irrigation scheduling in white varieties of Vitis vinifera (L.) of NW Spain

Cancela, J.J.; Trigo-Córdoba, Emiliano; Martínez, E.M.; Rey, Benjamín J.; Bouzas-Cid, Yolanda; Fandiño, María; Mirás-Avalos, José Manuel

doi:10.1016/j.agwat.2016.01.004

Cited by 42 publications

(28 citation statements)

References 27 publications

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“…Cluster weights were increasingly lower and individual grapes were smaller, but the number of grapes per cluster were higher with increasing levels of plant stress. These findings are consistent with published literature on deficit irrigation (Caceres‐Mella et al, 2017; Cancela et al, 2016; Casassa et al, 2015; Chaves et al, 2017; Munitz et al, 2017; Phogat et al, 2017).…”

Section: Influence Of Drz On Grape Production Quality and Berry Devsupporting

confidence: 93%

Introducing direct root‐zone deficit irrigation to conserve water and enhance grape quality in the Pacific Northwest

Jacoby¹,

2018

Crops & Soils

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In 2015, a project was launched to evaluate the potential for using a new form of sub‐surface drip irrigation. Rather than applying micro‐irrigation through horizontal buried lines, drip irrigation was delivered into vertical tubes placed 1 to 4 ft into the root‐zone soil. Juice and wine grapes were selected as the model plant systems for these proof‐of‐concept trials. Earn 0.5 CEUs in Soil & Management by reading this article and taking the quiz at http://www.certifiedcropadviser.org/education/classroom/classes/575.

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Section: Influence Of Drz On Grape Production Quality and Berry Devsupporting

confidence: 93%

Introducing direct root‐zone deficit irrigation to conserve water and enhance grape quality in the Pacific Northwest

Jacoby¹,

2018

Crops & Soils

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“…However, WP was greater for 'Sousón' rain-fed vines than for those irrigated (Table II). These observations can be explained by the fact that WP index was developed for Mediterranean climates, where summer rainfall amounts are much lesser than those registered in our study, as previously suggested by Cancela et al (2016).…”

Section: Superfície Foliar Externa Peso De Poda Componentes Da Prodsupporting

confidence: 57%

“…These studies lack from a thorough assessment of the chemical composition of the musts and wines produced, so they do not reflect the possible influence that irrigation may exert on the volatile composition of the wines. Moreover, no studies about irrigation have been conducted on red grapevine cultivars growing in the northwest of the Iberian Peninsula, except for 'Touriga Nacional' (Gouveia et al, 2012), and the research effort has concentrated on white cultivars (Fandiño et al, 2012;Trigo-Córdoba et al, 2015;Cancela et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Response of grapevine cv. ‘Brancellao’ and ‘Sousón’ to supplementary irrigation: Water relations, vine growth, yield and berry and wine composition

Mirás-Avalos¹,

Trigo-Córdoba²,

Bouzas-Cid

et al. 2016

Ciência Téc. Vitiv.

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SUMMARYGrowers are concerned about the negative impacts on vine yield and berry quality caused by global warming. Irrigation systems are increasingly being installed in vineyards in order to counteract those problems. Therefore, an efficient irrigation management is required. In this context, a field experiment was carried out over three years (2012)(2013)(2014) on red Vitis vinifera (L.) cv. 'Brancellao' and 'Sousón' in order to assess the effects of supplementary irrigation on vine performance and must and wine composition. Rain-fed vines were compared with a treatment irrigated to 40% of potential evapotranspiration (ET0) from bloom to two/three weeks before harvest. Both cultivars showed less negative stem water potentials under irrigation than under rain-fed conditions; however, stomatal conductance was similar between treatments. Yield was unaffected by irrigation, whereas pruning weight tended to increase in both cultivars. Must and wine composition, including amino acids and volatile compound concentrations, were mostly unaffected by irrigation. Water productivity was higher under rain-fed conditions and, as a consequence, gross incomes were not increased by irrigation. Therefore, irrigation does not seem an economically viable agricultural practice under the conditions of this trial. RESUMOOs viticultores estão preocupados com os impactos negativos no rendimento da videira e na qualidade da uva causados pelo aquecimento global. Estão a ser instalados sistemas de irrigação nas vinhas para ultrapassar estes problemas. Portanto, é necessária uma gestão eficiente da irrigação. Neste contexto, um ensaio de campo foi realizado durante três anos (2012-2014) em castas tintas 'Brancellao' e 'Sousón' (Vitis vinifera L.) a fim de avaliar os efeitos da irrigação suplementar no desempenho da videira e na composição da uva e do vinho. Videiras em sequeiro foram comparadas com um tratamento irrigado a 40% da evapotranspiração potencial (ET0) desde a floração até duas/três semanas antes da vindima. Ambas as variedades mostraram potenciais hídricos do ramo menos negativos sob irrigação que em sequeiro; no entanto, a condutância estomática foi similar entre os tratamentos. O rendimento não foi afetado pela irrigação, mas o peso de poda tendeu a aumentar em ambas as variedades. A composição do mosto e do vinho, incluindo concentrações de aminoácidos e de compostos voláteis, foram afetadas pela irrigação. A produtividade da água foi maior em condições de sequeiro e, como consequência, o rendimento bruto não sofreu aumento com a irrigação. Portanto, a irrigação não parece ser uma prática agrícola economicamente viável nas condições deste estudo.

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“…Albariño en el año 2015, en correspondencia con los datos mostrados en campañas previas por Cancela et al (2016a). Por el contrario se ha observado una mayor variabilidad entre los diferentes tratamientos, en relación con la temperatura del dosel vegetal (Figura 2).…”

Section: -Resultados Y Discusiónunclassified

EMPLEO DE IMÁGENES TÉRMICAS OBTENIDAS MEDIANTE UAVs PARA LA DETERMINACIÓN DEL ESTRÉS HÍDRICO EN VITIS VINIFERA (CV. ALBARIÑO)

Barrio¹,

Sanjurjo²,

Beiro³

et al. 2016

XXXIV Congreso Nacional De Riegos

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Effects of climate variability on irrigation scheduling in white varieties of Vitis vinifera (L.) of NW Spain

Cited by 42 publications

References 27 publications

Introducing direct root‐zone deficit irrigation to conserve water and enhance grape quality in the Pacific Northwest

Introducing direct root‐zone deficit irrigation to conserve water and enhance grape quality in the Pacific Northwest

Response of grapevine cv. ‘Brancellao’ and ‘Sousón’ to supplementary irrigation: Water relations, vine growth, yield and berry and wine composition

EMPLEO DE IMÁGENES TÉRMICAS OBTENIDAS MEDIANTE UAVs PARA LA DETERMINACIÓN DEL ESTRÉS HÍDRICO EN VITIS VINIFERA (CV. ALBARIÑO)

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