terclim by ICS banner
IVES 9 IVES Conference Series 9 The sensitivity to ABA affects the cross-talk between scion/rootstock in tolerant grapevines to drought stress

The sensitivity to ABA affects the cross-talk between scion/rootstock in tolerant grapevines to drought stress

Abstract

Drought caused by climate change has a dramatic incidence on the vineyard. Despite employing specific rootstocks tolerant to drought like 110 Richter, the vineyard continues to experience various losses, revealing the importance of the scion cultivar in the adaptation to drought stress. In this regard, Merlot, a widely cultivated grapevine, exhibited reduced drought tolerance compared to less cultivated varieties like Callet, a local cultivar originating from the Balearic Islands that demonstrated greater resilience to drought. Therefore, understanding the drought stress response in both cultivars and the cross-talk between scion and rootstock is key to unveiling possible differences that could affect to the adaptation to drought in vineyard. Plants from both cultivars grafted in the tolerant rootstock, 110 Richter, underwent different drought stages. For each stage, samples from leaves and roots were analyzed at metabolic, hormonal, physiological and transcriptomic level. The results revealed differences at most levels, increasing the production of osmolytes and antioxidant molecules involved in response to drought stress in Callet. However, hormonal analysis showed similar ABA production in both cultivars, indicating lower sensitivity to ABA in the case of Merlot compared to Callet. Moreover, the transcriptomic analysis revealed a modulation of genes involved in response to ABA and miRNA in leaves and roots of Callet, whereas in Merlot was mostly absent in roots, evidencing a poor cross-talk between Merlot and rootstock and increasing the value of the correct combination scion/rootstock for the vineyard adaptation to climate change.

Download the abstract

DOI:

Publication date: June 13, 2024

Issue: Open GPB 2024

Type: Poster

Authors

Alberto Rodriguez-Izquierdo1*, David Carrasco1, María Ángeles Revilla2, Josefina Bota3, Rosa Arroyo-Garcia1†

1 Centro de Biotecnología y Genómica de Plantas (CBGP-INIA), CSIC – Universidad Politécnica de Madrid, Campus Montegancedo, Madrid, Spain
2 Department of Organisms and Systems Biology, Institute of Biotechnology of Asturias, University of Oviedo, Oviedo, Spain
3 Research Group on Plant Biology under Mediterranean Conditions, Departament de Biologia, Universitat de les Illes Balears (UIB) – Agro-Environmental and Water Economics Institute (INAGEA). Carretera de Valldemossa Km 7.5, 07122 Palma, Illes Balears, Spain

† In memoriam of Rosa Arroyo-Garcia.

Contact the author*

Keywords

rootstock, drought, cross-talk, transcriptomics, ABA

Tags

IVES Conference Series | Open GPB | Open GPB 2024

Citation

Related articles…

Effects of oak barrel aging monitored by 1H-NMR metabolomics

The study of wine evolution during barrel aging is an important aspect of wine quality. Our previous works have shown that wine metabolome monitoring by

1H-NMR approaches allows determining the impact of different winemaking processes including traitements using enzymes or finning agents [1].

Read More

Soil Temperature and Climate Change: Implications for Mediterranean Vineyards 

More frequent and extreme temperatures and droughts pose challenges to the wine sector in Mediterranean Europe. Soil is crucial to sustain the equilibrium of ecosystems, economic growth and people’s prosperity worldwide. In viticulture, soils are a major component of the terroir and do influence vine’s growth, yield and berry composition. Soil temperature (ST) affects soil´s physical, chemical and biological processes and also crop growth. The impact of ST becomes even stronger when dealing with row crops such as grapevine, when considering the increased exposition to radiation. However, the impact of ST on crop performance remains poorly described, especially for extreme climatic conditions.

Read More

Anticipating consumer preference for low-alcohol wine: a machine learning analysis based on consumption habits and socio-demographics

The global wine consumption landscape is undergoing a transformation, marked by a growing trend towards reduced consumption and a preference for healthier lifestyles. In line with this shift, european union regulation (regulation eu 2021/2117) has recently redefined dealcoholized or partially dealcoholized wine within the wine category.

Read More

Sustainability and resilience in the wine sector

Resilience and sustainability are two fundamental concepts in the sustainable development of the wine sector, being closely interconnected.

Read More

A look back at 20 years of exploring the future of the vines and wines sector

What if, in 25 years, most wines were dealcoholized and flavored ? What if vines were only cultivated to combat erosion, store carbon, and provide anthocyanins…? What if climate change completely changed the list of vine varieties cultivable for wine production in France? What if food stores had completely disappeared in favor of virtual platforms? And if… because the long-term future is not predetermined and therefore not knowable, because the future is open to several possibilities, because the future does not emerge from nothing but from the present which conceals heavy trends and weak signals, prospective approaches make it possible to consider the room for maneuver that actors have to promote the advent of a future, which we can hope to be chosen, at least in part.

Read More