Macrowine 2021
IVES 9 IVES Conference Series 9 Macrowine 9 Macrowine 2021 9 Grapevine diversity and viticultural practices for sustainable grape growing 9 Smartphone application use as a tool for water supply management

Smartphone application use as a tool for water supply management

Abstract

Uruguay had an average annual rainfall of 1200 mm characterized by a high monthly variability, which generates periods of water deficit and excess. The rational water management, in the moments of deficit becomes more and more necessary in a viticulture that for this region is not used to irrigation. Therefore, permanent and real-time monitoring of the water status of the vineyard is important to avoid negative consequences on the yield and composition of the grapes. The availability of numerous smartphone applications allows the winegrower to use his own Smartphone as a tool for monitoring the vineyard. The objective of this work was to provide a reasonable water supply to the vineyard using digital tools that facilitate the management of the vineyard at a productive level. The experiment was carried out in a commercial vineyard of the red variety Tannat during the 2020 season. An irrigation treatment (70% ETP) was compared with a control without irrigation. Leaf water potential, leaf area, yield, grape composition (acidity, sugars, anthocyanins) were determined. The used smartphone applications were Viticanopy and ApexVigne. The data provided by the apps were correlated with the variables obtained in the field. It was possible to estimate the evolution of Kc in a quick and simple way, which allowed to made adjustments of the irrigation dose almost in real-time. During the season, 140 mm of water were applied leading to an enhancement in the response of the plant. The yield was increased by 35% while sugar and phenolic compounds concentrations were improved in the grape in comparison with the control sample. The use of smartphone applications proven to be a useful tool for the winegrower to manage the use of water resources.

DOI:

Publication date: September 2, 2021

Issue: Macrowine 2021

Type: Article

Authors

Gustavo Pereyra, Bruno Tisseyre, Milka FERRER

Biochemistry Laboratory, Department of Plant Biology, Facultad de Agronomía, Universidad de la República, Av. E. Garzón 780, CP 12900 Montevideo, Uruguay,

ITAP, Univ. of Montpellier, Institut Agro Montpellier, INRAE, Montpellier, France

Plant Production Department Universidad de la República, Av. E. Garzón 780, CP 12900 Montevideo, Uruguay

Contact the author

Keywords

water management; canopy vigor; lai; smartphone; precision viticulture; Vitis vinifera

Citation

Related articles…

Evolution of biogenic amines content in wine during sample conservation – method optimisation for analysis of biogenicamines

The present paper reports the development of an optimized method for simultaneous analysis of
8 biogenic amines (Histamine, Methylamine, Ethylamine, Tyramine, Putrescine, Cadaverine, Phenethylamine, and Isoamylamine). It is based on a method developed by Gomez-Alonso et al. in 2007.

Read More

First disclosure of eugenol precursors in Vitis genus: analytical development and quantification

The main aim of this work was to develop an analytical method to disclosure the
molecular form of eugenol precursor. Indeed eugenol is an important contributor to
Armagnac spirits typicity made with Baco blanc.

Read More

Landscapes of the wine: the four seasons of herault

Les paysages participent à l’identité des vins de l’Hérault, avec une grande richesse de diversité. Leur observation, au travers des quatre saisons, s’appuie sur deux dimensions primordiales : la genèse de leur construction par l’homme et l’esthétique. L’hiver est la saison la plus favorable au décryptage de ce vignoble étagé, du littoral méditerranéen aux premières pentes du Massif Central; il permet de lire l’histoire des stratégies viticoles des vignerons. Les autres saisons sensibilisent plus à la beauté de vignobles dans des écrins de végétation typiquement méditerranéenne. La multiplicité des pratiques culturales et des cépages contribue à cet attrait. L’incitation au parcours, en toute saison, est très forte grâce au réseau des routes et des chemins de vigne.

Read More

Aromatic complexity in Verdicchio wines: a case study

In this video recording of the IVES science meeting 2021, Fulvio Mattivi (Fondazione Edmund Mach, Centro Ricerca ed Innovazione, San Michele all’Adige, Italy) speaks about the effects of water deficit on secondary metabolites in grapes and wines. This presentation is based on an original article accessible for free on OENO One.

Read More

CHANGES IN METABOLIC FLUXES UNDER LOW PH GROWTH CONDITIONS: CAN THE SLOWDOWN OF CITRATE CONSUMPTION IMPROVE OENOCOCCUS OENI ACID-TOLERANCE?

Oenococcus oeni is the main Lactic Acid Bacteria responsible for malolactic fermentation, converting malic acid into lactic acid and carbon dioxide in wines. Following the alcoholic fermentation, this second fermentation ensures a deacidification and remains essential for the release of aromatic notes and the improvement of microbial stability in many wines. Nevertheless, wine is a harsh environment for microbial growth, especially because of its low pH (between 2.9 and 3.6 depending on the type of wine) and nutrient deficiency. In order to maintain homeostasis and ensure viability, O. oeni possesses different cellular mechanisms including organic acid metabolisms which represent also the major pathway to synthetize energy in wine.

Read More