Discrimination ability of leaf and stem water potential at different times of the day through a meta-analysis in grapevine (Vitis vinifera L.)

Santesteban, L.G.; Jiménez, Carlos Miranda; Ederra, Diana Marín; Sesma, Benigno Ruíz; Intrigliolo, Diego S.; Mirás-Avalos, José Manuel; Escalona, José M.; Montoro, A.; Herralde, Felicidad de; Baeza, Pilar; Romero, Pascual; Yuste, J.; Uriarte, David; Martínez-Gascueña, Jesús; Cancela, J.J.; Pinillos, V.; Loidi, Maite; Urrestarazu, Jorge; Royo, J.B.

doi:10.1016/j.agwat.2019.04.020

Cited by 44 publications

(34 citation statements)

References 46 publications

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“…The seasonal trend of decreasing Ψ s along the growing season is typical for deficit‐irrigated vineyards, where there is a continuous depletion of available soil water content (Olivo et al , Intrigliolo and Castel , Romero et al , Munitz et al , Netzer et al ). The vines in the early irrigation treatments (Budburst and − 0.6 MPa) had consistently a significantly higher value of Ψ s than that in the late irrigation treatments [−1.0 MPa and − 1.2 MPa (Figure )], reinforcing the findings that Ψ s is a sensitive indicator of vine water status (Choné et al , Williams and Araujo , Patakas et al , Acevedo‐Opazo et al , Munitz et al , Santesteban et al ).…”

Section: Discussionsupporting

confidence: 71%

“…The vines in the early irrigation treatments (Budburst and − 0.6 MPa) had consistently a significantly higher value of Ψ s than that in the late irrigation treatments [−1.0 MPa and − 1.2 MPa (Figure 2)], reinforcing the findings that Ψ s is a sensitive indicator of vine water status (Choné et al 2001, Williams and Araujo 2002, Patakas et al 2005, Acevedo-Opazo et al 2010, Munitz et al 2016, Santesteban et al 2019. A phenomenon emerging over the trial years was that vines in the late irrigation treatments reached their threshold points (that determined irrigation initiation) earlier as the trial years passed, in contrast to vines in the early irrigation treatments that reached a stable threshold time frame.…”

Section: Physiological Parameterssupporting

confidence: 70%

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Effect of timing of irrigation initiation on vegetative growth, physiology and yield parameters in Cabernet Sauvignon grapevines

Munitz

Schwartz

Netzer

2020

Australian Journal of Grape and Wine Research

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Background and Aims: The effect of the timing of the initiation of irrigation during the growing season on Vitis vinifera L. Cabernet Sauvignon vines was investigated during 5 successive years. Methods and Results: Five irrigation initiation thresholds based on measurement of midday stem water potential (Ψ s) were examined: at Budburst, −0.6 MPa, −0.8 MPa, −1.0 MPa and − 1.2 MPa. Midday Ψ s , gas exchange parameters [stomatal conductance (g s) and net assimilation rate (A n)] and leaf area index (LAI) were measured weekly. At harvest, 12 vines per replicate (48 per treatment) were separately harvested, the yield was determined and the number of bunches per vine recorded. During the winter period, the number of shoots per vine and the pruning mass of 12 vines per replicate were recorded separately. Vines in the early irrigation treatments (Budburst, −0.6 MPa) displayed improved Ψ s , g s and A n , accompanied by vigorous vegetative growth and high yield. The increased yield was derived from enlarged berry size and an increased number of bunches. In contrast, vines in the late irrigation treatments (−1.0 MPa, −1.2 MPa) exhibited low Ψ s , g s and A n values combined with depressed vegetative growth and reduced yield. The depression effect on late irrigation vines was cumulative and became more pronounced as trial years advanced. Our results emphasise the crucial role of water availability during springtime (vegetative growth period) on vine development, physiological performance and yield parameters. Conclusions: Early irrigation initiation during spring, in which most vegetative growth processes occur, resulted in the enhancement of all vegetative and physiological parameters. Postponing irrigation initiation, however, until advanced stages of the growing season was followed by diminished vegetative growth, reduced physiological performance and decreased yield. Significance of the Study: Our results provide insights into the effect of the timing of irrigation initiation on vegetative growth, physiological parameters and yield components in field-grown Cabernet Sauvignon grapevines.

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Section: Discussionsupporting

confidence: 71%

Section: Physiological Parameterssupporting

confidence: 70%

Effect of timing of irrigation initiation on vegetative growth, physiology and yield parameters in Cabernet Sauvignon grapevines

Munitz

Schwartz

Netzer

2020

Australian Journal of Grape and Wine Research

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“…Rainfall can, however, vary over short distances and there can potentially be some discrepancy between rainfall data collected in the weather station and the actual amount of rainfall received on the block where the SWP were measured. Although grapevine cultivars are known to respond very distinctly to water deficits (Chaves et al, 2010; Santesteban et al, 2019), model 2 was only marginally improved when fitted separately for Cabernet franc, Cabernet-Sauvignon, and Merlot. It has been reported that these three cultivars show anisohydric behavior.…”

Section: Discussionmentioning

confidence: 99%

“…Several techniques have been developed to measure water status in plants. Among these, predawn leaf water potential (PLWP) and stem water potential (SWP) have proven to be simple and precise indicators for assessing plant water status (Choné et al, 2001; Williams and Araujo, 2002; Shackel, 2011; Santesteban et al, 2019). However, PLWP tends to overestimate soil water availability in conditions of heterogeneous soil humidity.…”

Section: Introductionmentioning

confidence: 99%

Modeling Stem Water Potential by Separating the Effects of Soil Water Availability and Climatic Conditions on Water Status in Grapevine (Vitis vinifera L.)

Suter

Triolo²,

Pernet³

et al. 2019

Front. Plant Sci.

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Measuring seasonal plant water status is critical in choosing appropriate management strategies to ensure yields and quality of agricultural products, particularly in a context of climate change. Water status of grapevines is known to be a key factor for yield, grape composition, and wine quality. Predawn leaf water potential (PLWP) and stem water potential (SWP) proved to be simple and precise indicators for assessing grapevine water status and subsequent same-day spatial comparisons. A drawback of SWP is that it does not allow for temporal comparisons, because the measured value is impacted both by soil water availability and climatic conditions on the day of measurement. The objectives of this study are i) to provide a model that separates the effect of soil water content from the effect of climatic conditions on the SWP value and ii) to standardize the SWP value to a value under predefined reference climatic conditions in order to compare SWP values collected under different climatic conditions. SWP and PLWP were temporally assessed on three soil types in Saint-Émilion (Bordeaux, France) in 2015 and on five soil types in Margaux (Bordeaux, France) in 2018 using a pressure chamber. SWP measurements on two consecutive days with contrasting climatic conditions allowed to assess the impact of these conditions on SWP values. A large portion of the variability in SWP values was explained by PLWP. Model selection further showed that the addition of maximum air temperature and seasonality explained a significant amount of the remaining variability in SWP values. SWP values could be successfully standardized to a theoretical value under reference climatic conditions, which allows for temporal comparisons of SWP values. A plant-based measurement, such as the water potential, can be considered as the most straightforward indicator of plant water status as it integrates the effects of soil, plant, and atmospheric conditions. More precise interpretation of SWP values provides winegrowers with a tool to more adequately implement short- and long-term management strategies to adapt to drought in order to ensure yield and grape quality.

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“…La evaluación del estado hídrico de las plantas no es una tecnología habitual en los huertos frutales, debido a que los métodos son poco prácticos, y tienen protocolos y procedimientos de tomas de muestras lentos y engorrosos. En la actualidad el más preciso es la determinación del potencial hídrico xilemático (Ψx), que diversas investigaciones han demostrado que es el parámetro biofísico más adecuado para establecer niveles de estrés hídrico, ya que integra el déficit de presión de vapor de la atmósfera con la disponibilidad de agua en el suelo explorado por el sistema radical de las plantas (Williams et al, 2012;Bellvert et al, 2015;Alghory y Yazar, 2019;Santesteban et al, 2019). Sin embargo, su determinación es demasiado laboriosa, en cuanto a tiempos de corte y presurización de la hoja, además es una metodología destructiva, pues se requiere la escisión de hojas (Williams et al, 2012).…”

Section: Introductionunclassified

Validación Del Índice De Estrés Hídrico De Cultivo (Cwsi) Mediante Termografía Infraroja Y Su Incidencia en Rendimiento Y Calidad en Manzanas ‘Royal Gala’

Quezada¹,

Bastías²,

Quintana³

et al. 2020

Chil. j. agric. anim. sci.

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Discrimination ability of leaf and stem water potential at different times of the day through a meta-analysis in grapevine (Vitis vinifera L.)

Cited by 44 publications

References 46 publications

Effect of timing of irrigation initiation on vegetative growth, physiology and yield parameters in Cabernet Sauvignon grapevines

Effect of timing of irrigation initiation on vegetative growth, physiology and yield parameters in Cabernet Sauvignon grapevines

Modeling Stem Water Potential by Separating the Effects of Soil Water Availability and Climatic Conditions on Water Status in Grapevine (Vitis vinifera L.)

Validación Del Índice De Estrés Hídrico De Cultivo (Cwsi) Mediante Termografía Infraroja Y Su Incidencia en Rendimiento Y Calidad en Manzanas ‘Royal Gala’

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