Drought and water management in Mediterranean vineyards

Zarrouk, Olfa; Costa, J.M.; Francisco, Rita; Lopes, Carlos M.; Chaves, M. M.

doi:10.1002/9781118735985.ch3

Cited by 21 publications

(21 citation statements)

References 123 publications

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“…Variety ( Deluc et al , 2009 ; Hochberg et al , 2015a ), rootstock ( Berdeja et al , 2015 ), soil structure ( Tramontini et al , 2014 ), and other environmental variables such as light and temperature ( Herrera et al , 2017 ) also play important roles in modulating the composition and quality of grapes grown under water deficit ( Zarrouk et al , 2016 ). The complex interaction between factors is well illustrated by the example of grape berry phenolics.…”

Section: Introductionmentioning

confidence: 99%

“…The complex interaction between factors is well illustrated by the example of grape berry phenolics. Water deficit enhances berry color, but high berry temperature induces the degradation of anthocyanins, limiting and sometimes even reversing the positive effects of water deficit ( Bonada et al , 2015 ; Zarrouk et al , 2016 ; Cooley et al , 2017 ; Herrera et al , 2017 ). These interactions extend to wine sensory traits, including modulating tannin structure as well as floral and fruity aromas ( Bonada et al , 2015 ).…”

Section: Introductionmentioning

confidence: 99%

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The physiology of drought stress in grapevine: towards an integrative definition of drought tolerance

Gambetta

Herrera

Dayer

et al. 2020

Journal of Experimental Botany

224

161

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Water availability is arguably the most important environmental factor limiting crop growth and productivity. Erratic precipitation patterns and increased temperatures resulting from climate change will likely make drought events more frequent in many regions, increasing the demand on freshwater resources and creating major challenges for agriculture. Addressing these challenges through increased irrigation is not always a sustainable solution so there is a growing need to identify and/or breed drought-tolerant crop varieties in order to maintain sustainability in the context of climate change. Grapevine (Vitis vinifera), a major fruit crop of economic importance, has emerged as a model perennial fruit crop for the study of drought tolerance. This review synthesizes the most recent results on grapevine drought responses, the impact of water deficit on fruit yield and composition, and the identification of drought-tolerant varieties. Given the existing gaps in our knowledge of the mechanisms underlying grapevine drought responses, we aim to answer the following question: how can we move towards a more integrative definition of grapevine drought tolerance?

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The physiology of drought stress in grapevine: towards an integrative definition of drought tolerance

Gambetta

Herrera

Dayer

et al. 2020

Journal of Experimental Botany

224

161

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“…Intergovernmental Panel on Climate Change (IPCC) predicts an increase of average temperatures and the frequency of extreme drought and/or warm events [1]. So, for most viticulture areas, improving the water use efficiency (WUE) of the grape is becoming more and more important to secure the sustainability of vineyards [2,3]. There are different ways to improve grape WUE, and the most immediate way is to adjust irrigation dosage and schedule [4].…”

Section: Introductionmentioning

confidence: 99%

Variability in Water Use Efficiency of Grapevine Tempranillo Clones and Stability over Years at Field Conditions

et al. 2019

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One way to face the consequences of climate change and the expected increase in water availability in agriculture is to find genotypes that can sustain production at a lower water cost. This theoretically can be achieved by using genetic material with an increased water use efficiency. We compared the leaf Water Use Efficiency (WUEi) under realistic field conditions in 14 vine genotypes of the Tempranillo cultivar (clones), in two sites of Northern Spain for three and five years each to evaluate (1) if a clonal diversity exists for this traits among those selected clones and (2) the stability of those differences over several years. The ranking of the different clones showed significant differences in WUEi that were maintained over years in most of the cases. Different statistical analyses gave coincident information and allowed the identification of some clones systematically that had a higher WUEi or a lower WUEi. These methods also allowed the identification of the underlying physiological process that caused those differences and showed that clones with a higher WUEi are likely to have an increased photosynthetic capacity (rather than a different stomatal control). Those differences could be useful to orientate the decision for vines selection programs in the near future.

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“…The matter is far from being conclusively addressed, two major causes can be highlighted: the experimental set-ups adopted in the majority of experiments, namely the water stress timing and conditions; the diversity of varieties (Zarrouk et al, 2016). It was shown that pre- véraison water stress promotes the accumulation of anthocyanins, as a consequence of both reduced berry development and enhanced expression of flavonoid genes, thus leading (Basile et al, 2011; Intrigliolo et al, 2012; Romero et al, 2013) to earlier grape ripening (Castellarin et al, 2007a,b).…”

Section: Introductionmentioning

confidence: 99%

Grape Ripening Is Regulated by Deficit Irrigation/Elevated Temperatures According to Cluster Position in the Canopy

et al. 2016

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The impact of water deficit on berry quality has been extensively investigated during the last decades. Nonetheless, there is a scarcity of knowledge on the performance of varieties exposed to a combination of high temperatures/water stress during the growing season and under vineyard conditions. The objective of this research was to investigate the effects of two irrigation regimes, sustained deficit irrigation (SDI, 30% ETc) and regulated deficit irrigation (RDI, 15% ETc) and of two cluster positions within the canopy (east- and west-exposed sides) on berry ripening in red Aragonez (Tempranillo) grapevines. The study was undertaken for two successive years in a commercial vineyard in South Portugal, monitoring the following parameters: pre-dawn leaf water potential, berry temperature, sugars, polyphenols, abscisic acid (ABA) and related metabolites. Additionally, expression patterns for different transcripts encoding for enzymes responsible for anthocyanin and ABA biosynthesis (VviUFGT, VvNCED1, VvβG1, VviHyd1, VviHyd2) were analyzed. In both years anthocyanin concentration was lower in RDI at the west side (RDIW- the hottest one) from véraison onwards, suggesting that the most severe water stress conditions exacerbated the negative impact of high temperature on anthocyanin. The down-regulation of VviUFGT expression revealed a repression of the anthocyanin synthesis in berries of RDIW, at early stages of berry ripening. At full-maturation, anthocyanin degradation products were detected, being highest at RDIW. This suggests that the negative impact of water stress and high temperature on anthocyanins results from the repression of biosynthesis at the onset of ripening and from degradation at later stages. On the other hand, berries grown under SDI displayed a higher content in phenolics than those under RDI, pointing out for the attenuation of the negative temperature effects under SDI. Irrigation regime and berry position had small effect on free-ABA concentration. However, ABA catabolism/conjugation process and ABA biosynthetic pathway were affected by water and heat stresses. This indicates the role of ABA-GE and catabolites in berry ABA homeostasis under abiotic stresses. Principal component analysis (PCA) showed that the strongest influence in berry ripening is the deficit irrigation regime, while temperature is an important variable determining the improvement or impairment of berry quality by the deficit irrigation regime. In summary, this work shows the interaction between irrigation regime and high temperature on the control of berry ripening.

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Drought and water management in Mediterranean vineyards

Cited by 21 publications

References 123 publications

The physiology of drought stress in grapevine: towards an integrative definition of drought tolerance

The physiology of drought stress in grapevine: towards an integrative definition of drought tolerance

Variability in Water Use Efficiency of Grapevine Tempranillo Clones and Stability over Years at Field Conditions

Grape Ripening Is Regulated by Deficit Irrigation/Elevated Temperatures According to Cluster Position in the Canopy

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