Could trunk diameter sensors be used in woody crops for irrigation scheduling? A review of current knowledge and future perspectives

Ortuño, M.F.; Conejero, Wenceslao; Moreno, F.; Moriana, A.; Intrigliolo, Diego S.; Biel, C.; Mellisho, C.D.; Pérez‐Pastor, Alejandro; Miguel, Rafael Domingo; Ruiz-Sánchez, M.C.; Casadesús, Jaume; Bonany, J.; Torrecillas, A.

doi:10.1016/j.agwat.2009.09.008

Cited by 167 publications

(133 citation statements)

References 75 publications

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“…Current knowledge of the use of trunk diameter fluctuations and their derived parameters for irrigation scheduling in woody crops is reviewed in Fernández and Cuevas (2010) and Ortuño et al (2010).…”

Section: Vegetative Vs Fruit Growthmentioning

confidence: 99%

Review. Deficit irrigation in fruit trees and vines in Spain

Ruiz-Sánchez¹,

Miguel

Castel³

2010

Span. j. agric. res.

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199

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Water has become the most precious of natural resources in many areas of Spain and, since agriculture is the major consumer of water, improvements in water use efficiency are increasingly sought. Regulated deficit irrigation (RDI) is an irrigation strategy based on applying only a fraction of the plant water requirements during certain periods of plant development. The paper reviews the available information on RDI strategies, in woody tree crops and vines based on studies by Spanish research groups. Both the promising results obtained and the drawbacks are covered.

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Section: Vegetative Vs Fruit Growthmentioning

confidence: 99%

Review. Deficit irrigation in fruit trees and vines in Spain

Ruiz-Sánchez¹,

Miguel

Castel³

2010

Span. j. agric. res.

Self Cite

199

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“…Stems show a daily pattern of reversible shrinking and swelling as a result of changes in hydration levels in combination with irreversible radial expansion when turgor pressure exceeds the threshold value Γ at which wall yielding occurs (Steppe et al, 2006). Interpretation of SDV over longer periods of time can be difficult since SDV are also influenced by other factors than plant water status such as the sugar content of the stem, fruit load and stem age (Intrigliolo and Castel, 2005;De Swaef and Steppe, 2010;Fernández and Cuevas, 2010;Ortuño et al, 2010). The response of SDV-derived indices such as maximum daily shrinkage (MDS) and stem growth rate (SGR) to different irrigation treatments is extensively studied for fruit trees, whereas far less is known for herbaceous species such as tomato (Gallardo et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Effect of Stem Age on the Response of Stem Diameter Variations to Plant Water Status in Tomato

Hanssens¹,

Swaef²,

Steppe³

et al. 2012

Acta Hortic.

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Plant water status plays a major role in glasshouse cultivation of tomato (Solanum lycopersicum L.). New climate control technologies alter the glasshouse climate and make it less dependent on solar radiation. However, irrigation strategies are still often based on solar radiation sums. In order to maintain a good plant water status, it is interesting to use plant-based methods such as monitoring sap flow (F) or stem diameter variations (SDV). Though SDV give important information about plant water status, an unambiguous interpretation might be difficult because other factors such as stem age, fruit load and sugar content of the stem also affect SDV. In this study, an analysis of the effect of stem age on the response of SDV to water status was performed by calibration of a mechanistic flow and storage model. This allowed us to determine how parameter values changed across the growing season. Tissue extensibility decreased over the growing season resulting in a lower growth rate potential, whereas daily cycles of shrinking and swelling of the stem became more pronounced towards the end of the growing season. Parameters were then adapted to time-dependent variables and implemented in the model, allowing long term simulation and interpretation of SDV. Sensitivity analysis showed that model predictions were very sensitive to initial sucrose content of the phloem tissue and the parameters related to plastic growth. INTRODUCTIONA good plant water status is essential for good production and fruit quality in glasshouse cultivation of tomato (Solanum lycopersicum L.). Current irrigation strategies are often based on solar radiation sums. During the last years, lots of efforts have been made in order to make greenhouse cultivation more energy-efficient. Due to the

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“…Recent findings have shown that MDS can also be affected by other factors, independently of environmental conditions, such as tree age, tree size, the phenological period and the crop load (see revision by Ortuño et al, 2010). The use of a reference equation could be then more complex than previously thought when a single season irrigation scheduling with a reference equation was evaluated as in almond trees in California (Goldhamer and Fereres, 2004).…”

Section: Stem Dendrometers Experimentsmentioning

confidence: 99%

“…However, since its measurement cannot be easily automated the use of trunk diameter variations as water stress indicators has also been evaluated in the last years (Naor, 2006). In this respect, the maximum diurnal trunk shrinkage (MDS) has been proposed as a reliable water stress indicators in woody crops (see revisions by Fernández and Cuevas, 2010;and Ortuño et al, 2010). In a number of studies it has been shown that MDS in well irrigated trees depends largely on the climatic conditions (Fereres and Goldhamer, 2003;Intrigliolo and Castel, 2006b;Ortuño et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Soil capacitance sensors and stem dendrometers. Useful tools for irrigation scheduling of commercial orchards?

Bonet

Ferrer

Castel

et al. 1970

Span. j. agric. res.

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Irrigation scheduling is often performed based on a soil water balance, where orchard evapotranspiration is estimated using the reference evapotranspiration (ETo) times the crop coefficient (Kc). This procedure, despite being widely spread, has some uncertainties. Because of this, plant and soil water status monitoring could be alternatively or complementarily used to schedule irrigation. The usefulness of capacitance probes was evaluated during several seasons in large irrigation districts where irrigation practices were changed over years from the ETo * Kc model to the analysis of soil water status trend. This area corresponds to drip irrigated orchards planted with citrus, peach, nectarine and persimmon. Around 25% less irrigation was applied with no substantial yield penalty when the information provided by capacitance probes was correctly applied for irrigation management. On the other hand, the usefulness of stem dendrometers for continuously monitoring plant water status was evaluated in a young plum experimental orchard. Over two years, irrigation was scheduled using exclusively trunk shrinkage via the signal intensity approach by means of a baseline equation previously obtained in the orchard. Results showed that it was not always possible to schedule irrigation based on the trunk shrinkage signal intensity due to the temporal changes in the reference values that occurred as trees aged. Overall, results obtained are discussed in terms of the possible extrapolation at field level of both capacitance probes and stem dendrometers. Advantages and drawbacks of each technique are analyzed and discussed.Additional key words: citrus; plum; regulated deficit irrigation; trunk diameter variations; water stress. ResumenLas sondas de capacitancia y los dendrómetros. ¿Herramientas para la programación del riego en agricultura convencional?La programación del riego tradicionalmente se ha basado en un balance de agua en el suelo según el modelo propuesto por la FAO que tiene en cuenta la demanda evaporativa de referencia (ETo) y los coeficientes de cultivo (Kc). Esta metodología aún siendo ampliamente empleada tiene ciertas incertidumbres. Por ello es importante contrastar posibles alternativas al modelo de la FAO. A este respecto, hoy en día, se puede recurrir a la medida del estado hídri-co del suelo y de la planta mediante el empleo de sondas de capacitancia multisensor y de los dendrómetros, respectivamente. En este trabajo se ha evaluado la eficacia de las sondas de capacitancia en comunidades de regantes donde la programación del riego se cambió a lo largo de los años desde el uso del modelo ETo y Kc hasta el empleo de las sondas, siendo posible de este modo obtener ahorros de agua cercanos al 25%. Por otra parte, en una parcela experimental de ciruelos jóvenes se ha evaluado la eficacia de los dendrómetros y en concreto de la contracción diaria del tronco como único indicador para la programación del riego mediante el concepto de la intensidad de señal. Los resultados han puesto de manifiesto que no fue...

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Could trunk diameter sensors be used in woody crops for irrigation scheduling? A review of current knowledge and future perspectives

Cited by 167 publications

References 75 publications

Review. Deficit irrigation in fruit trees and vines in Spain

Review. Deficit irrigation in fruit trees and vines in Spain

Effect of Stem Age on the Response of Stem Diameter Variations to Plant Water Status in Tomato

Soil capacitance sensors and stem dendrometers. Useful tools for irrigation scheduling of commercial orchards?

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