How to Deal with the Grapevine Multiple Summer Stress through a Physiological, Biochemical, and Molecular Approach

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Horticultural and Floricultural Crops".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 2080

Special Issue Editors


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Guest Editor
Department of Agricultural and Food Sciences, University of Bologna, viale Fanin 44, 40127 Bologna, Italy
Interests: grapevine; climate change; grape physiology; training systems; canopy management; precision viticulture; phenolic maturity; zeolites

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Guest Editor
Department of Agricultural and Food Sciences, University of Bologna, viale Fanin 44, 40127 Bologna, Italy
Interests: grapevine; climate change; abiotic stress; grape physiology; biodiversity; flavonoids; biochemistry; microsatellite; transcriptomic; gene expression
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Special Issue Information

Dear Colleagues,

In the areas suitable for grapevine cultivation, we are progressively witnessing an anomalous distribution of the rains, a thermal increase, and extreme levels of incident solar radiation. The synergistic action of these stress factors might cause both a photosynthetic depression and an interruption of ripening. Although several agronomic techniques have been implemented to cope with the heat waves affecting berry ripening, there is still scant information on the effect of these practices in a multiple and severe summer stress scenario. In this Special Issue, research papers, communications, and review articles focusing on the investigation of the effects of multiple stresses throughout grapevine berry ripening are all welcome. In particular, we encourage contributions in which multidisciplinary approaches are applied in order to investigate the effects of multiple stresses on the physiological, biochemical. and molecular aspect of the vine serving as an asset to develop successful mitigation strategies.

Dr. Gabriele Valentini
Dr. Chiara Pastore
Guest Editors

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Keywords

  • viticulture
  • climate change
  • abiotic stress
  • grape physiology
  • berry ripening
  • flavonoids
  • gene expression

Published Papers (1 paper)

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Research

18 pages, 2289 KiB  
Article
Vine Physiology, Yield Parameters and Berry Composition of Sangiovese Grape under Two Different Canopy Shapes and Irrigation Regimes
by Gabriele Valentini, Chiara Pastore, Gianluca Allegro, Riccardo Mazzoleni, Fabio Chinnici and Ilaria Filippetti
Agronomy 2022, 12(8), 1967; https://doi.org/10.3390/agronomy12081967 - 20 Aug 2022
Cited by 3 | Viewed by 1670
Abstract
Vitis vinifera L. adapts well to a scarce availability of water in the soil. However, in recent decades, the combination of thermal stress with prolonged water scarcity could have dramatic consequences on the vine’s physiological status. In this paper, we evaluated the effects [...] Read more.
Vitis vinifera L. adapts well to a scarce availability of water in the soil. However, in recent decades, the combination of thermal stress with prolonged water scarcity could have dramatic consequences on the vine’s physiological status. In this paper, we evaluated the effects of two canopy shapes and two irrigation regimes at veraison on vine physiology, yield parameters and grape composition through biochemical and molecular approaches. The water shortage strongly influenced the physiology of Sangiovese only when the stress was moderate to severe. Neither the water stress limited to veraison nor the canopy shape were able to influence the yield parameters and sugar content, and a strong induction of the expression of the genes involved in the biosynthesis of anthocyanins was recorded only in conditions of moderate-to-severe stress. This phenomenon led to an increase in the anthocyanin content in berry skins until the end of veraison. Conversely, no significant effects occurred in terms of biochemical and molecular performance after re-watering and at harvest. Though the shape of the canopy could play a role only under elevated temperature and prolonged drought, severe water stress can affect the vine physiology and berry ripening during the veraison stage. Full article
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