terclim by ICS banner
IVES 9 IVES Conference Series 9 International Congress on Grapevine and Wine Sciences 9 2ICGWS-2023 9 Assessment of plant water consumption rates under climate change conditions through an automated modular platform

Assessment of plant water consumption rates under climate change conditions through an automated modular platform

Abstract

The impact of climate change is noticeable in the present weather, making water scarcity the most immediate mediator reducing the performance and viability of crops, including grapevine (Vitis vinifera L.). The present study developed a system (hardware, firmware, and software) for the determination of plant water use through changes in weight through a period. The aim is to measure the differences in grapevine water consumption in response to climate change (+4oC and 700 ppm) under controlled conditions. The results reveal a correlation between daily plant consumption rates and reference evapotranspiration (ETo). However, plant water consumption had much strongercorrelations with leaf area and substrate available water content. Interestingly, an increase in 4oC and 700 ppm of CO2 did not result in higher water consumption rates when plants had similar leaf areas. This is supported by the lack of differences in discrete leaf transpiration (E) rates determined throughout the same period. Stomatal conductance was significantly lower in +4oC and 700 ppm plants, which agrees with the reported effect of CO2 in previous studies. Although further investigation will be carried out to determine the impact of each of the climate change factors on daily water consumption rates, photosynthetic acclimation to elevated CO2 may be a key factor for the adaptation of crops to water scarcity.

Keywords: Climate change, water stress, temperature, elevated CO2, evapotranspiration, stomatal regulation.

Acknowledgements: Thanks to A. Urdiain, M. Oyarzun & H. Santesteban for technical support. Ministerio de Ciencia e Innovación (Gobierno de España; Ref. PID2020-118337RB-IOO) and “ANDIA talento senior 2021” (Gobierno de Navarra) funded the research.

DOI:

Publication date: October 5, 2023

Issue: ICGWS 2023

Type: Article

Authors

Johann Martinez-Lüscher 1*, Inmaculada Pascual, Nieves Goicoechea

1Universidad de Navarra-BIOMA, Plant Stress Physiology Group (Associated Unit to CSIC, EEAD, Zaragoza). Irunlarrea 1, 31008, Pamplona (Spain)

Contact the author*

Keywords

climate change, water stress, temperature, elevated CO2, evapotranspiration, stomatal regulation

Tags

2ICGWS | ICGWS | ICGWS 2023 | IVES Conference Series

Citation

Related articles…

Evaluation of the effects of pruning methodology on the development of young vines 

Grapevine pruning is one of the most important practices in the vineyards. Winegrowers use it to provide the vines the shape needed, or to maintain it once achieved, and also to balance vegetative growth and fruit production. In the last decades, careless pruning has been blamed, among other factors, as responsible of the vineyard decay that is been observed even in young vines. However, to our knowledge, there is a lack of systematic research trying to elucidate to which extent the pruning method used affects plant development or its susceptibility to grapevine trunk diseases (GTD). Within this context, the aim of this work is to study the influence of different pruning method strategies on the development of field-planted young vines.

Selecting green cover species in the under-trellis zone of Lower Austrian vineyards

The under-trellis zone of vineyards is a sensitive area through which vines cover a significant portion of their nutrient and water needs. Mechanical and chemical methods are applied to suppress competing and tall-growing weeds to ensure optimal vine growth conditions. In addition to higher operating costs and depending on the soil conditions, these practices might lead to a long-term reduction in soil fertility and biodiversity. The presented study aims to analyse the suitability and interspecies competition of a selected green cover mixture of five local herbaceous species as potential green cover mixture in the under-trellis area of Lower Austrian vineyards.

The colour pattern of flower arrangements influence wine tasters’ sensory description

The arrangements of flowers and wine counterparts are inextricably linked. Whether a fundamental aspect of tablescaping or acolytes to broader entertainment rituals, they have an entangled history since ancient times. The aim of this contribution is to verify the influence of visually delicate and robust flower arrangements on individual description of wines. Changes in the sensory description of wines were investigated during subjects’ (thirty-two participants) exposure to three different conditions: the presence of delicate, robust, or totally absent flower arrangements. In each condition, the same two wines were blind tasted: a wine previously defined as delicate – a Pinot Noir from Australia, and a wine known for its robust character – a Tannat from Uruguay.

Combined use of leaf removal and natural shading to delay grape ripening in Manto negro (Vitis vinifera L.) under deficit irrigation 

The increasingly frequent heat waves during grape ripening pose challenges for premium wine grape production. This makes the development of irrigation and canopy management techniques of great importance to maximize yield and grape quality. A field experiment was carried out during 2021 and 2022 using Manto negro wine grapes to study the effect of two irrigation strategies and different light exposure levels on grape quality.

INTEGRAPE guidelines and tools: an effort of COST Action CA17111

INTEGRAPE was a European interdisciplinary network for “data integration to maximize the power of omics for grapevine improvement” (CA17111, https://integrape.eu/), funded by the European COST Association from September 2018 to 2022. This Action successfully developed guidelines and tools for data management and promoted the best practices in grapevine omics studies with a holistic future vision of: “Imagine having all data on grapevine accessible in a single place”.