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…

Implications of the nature of organic mulches used in vineyards on grapevine water status, yield, berry quality and biological soil health  

Climate emergency is going to affect the agricultural suistainability, wine grapes being probably one of the crops more sensitive to environmental constraints. In this context, mitigation strategies such as the revalorization of agricultural wastes are paramount to cope with the current challenges. The use of organic mulches has been reported to reduce soil water evaporation and improve vine water status, reduce soil erosion, and increase soil organic matter with little impact on berry quality. However, less is known about their effects on the microbiote of vineyards.

is the overall ecological awarness among Spanish winemakers related to their attitudes towards natural wines?

The Agenda 2030 of the EU sets out the main guidelines for transitioning towards a resilient, green and safe economy. To this regard, the wine sector is experiencing an ecological transition in different ways such as increasing the production of ecological crops, or promoting the production of wines under more environmental-friendly and healthier (i.e., lower levels of SO2) products. These alternatives to conventional production are a smaller proportion of wines, in constant growth and demand, and follow alternative and minority practices, which range from sustainable to deeply philosophical thoughts. Among these methods there are organic, biodynamic and, more recently, natural wines.

“Compost Application in the Vineyard: Effects on Soil Nutrition and Compaction”

The mechanization of pruning and harvesting in vineyards has increased the risk of soil compaction. To reclaim soil properties or avoid this degradation process, it is crucial to properly manage the soil organic matter, and the application of compost derived from the vines themselves is a strategy to achieve this. The objective of this study was to evaluate the properties of soil treated with different doses of compost applied both on the vine row and the inter rows of a Vitis vinifera crop.

A phylogenomic study reveals the major dissemination routes of ‘Tempranillo Tinto’ in the Iberian Peninsula

‘Tempranillo Tinto’ is a black-berried Iberian cultivar that originated from a hybridization between cvs. ‘Benedicto’ and ‘Albillo Mayor’ [1]. Today, it is the third most widely grown wine grape cultivar worldwide with more than 200,000 hectares of vineyards mostly distributed along the Iberian Peninsula, where it is also known as ‘Cencibel’, ‘Tinta de Toro’, ‘Tinta Roriz’, and ‘Aragonez’, among other synonyms. Here, we quantified the intra-varietal genomic diversity in this cultivar through the study of 35 clones or ancient vines from seven different Iberian wine-making regions. A comparative analysis after Illumina whole-genome sequencing revealed the presence of 1,120 clonal single nucleotide variants (SNVs).

Impact of toasting and botanical origin on oak wood (Q. sp.) volatilome using untargeted GCxGC-ToFMS analysis

Many works have been carried out to identify the key aroma volatile compounds of oak wood (e.g., whisky-lactone, furfural, maltol, eugenol, guaiacol, vanillin) using conventional gas chromatography coupled with olfactometry and mass spectrometry (GC-O-MS). Inspired by recent untargeted approaches in the field of food “omics”, this work aims to extend our knowledge on the impact of cooperage process on the volatile composition of oak wood using two-dimensional comprehensive gas chromatography coupled with time of flight mass spectrometry (GCxGC-ToFMS).