The profile of the phenolic components of grape cultivars of a complex genetic structure

Levchenko, Svetlana; Volynkin, Vladimir; Лиховской, Владимир Владимирович; Vasylyk, I.; Ostroukhova, Elena; Vasylyk, A.; Ryff, I.; Berezovskaya, S.; Boyko, Vladimir; Belash, Dmitriy

doi:10.17660/actahortic.2021.1307.59

Cited by 1 publication

(1 citation statement)

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“…Among the multivariate techniques, a hierarchical cluster analysis was applied. This technique allows the classification of observations taking into account its similarity, and it has been applied for different purposes, such as the analysis of the similarity of the phenolic complex in berries in different varieties (Levchenko et al, 2021) or to differentiate between grape cultivars according to their phenolic contents and antioxidant properties (Sridhar and Charles, 2018), or the identification of vineyards in different locations which give rise to similar grape composition (Ramos and Martínez de Toda, 2019). The cluster analysis was applied using the Euclidean distance to measure the similarity between the objects and using two methods (Ward and Group average) to optimise the number of clusters to be retained.…”

Section: Variability In the Vine Response And Its Relationship With Climatic Variabilitymentioning

confidence: 99%

Interannual and spatial variability of grape composition in the Rioja DOCa show better resilience of cv. Graciano than cv. Tempranillo under a warming scenario

Ramos

Toda

2021

OENO One

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Weather conditions affect vine development and grape composition, although the response may be different depending on the variety and altitude. Under scenarios of climate change, the knowledge of the relationships between grape composition and climate is therefore important to know the suitability of a given cultivar. In this research, the variability of the grape composition of two red varieties with different phenological timings (Vitis vinifera L. cv. Tempranillo and Graciano) cultivated in Rioja DOCa (Spain) and the climatic variables that have a higher effect on the response of each of them were analysed. Grape composition of both cultivars at technical maturity (considered when a probable volumetric alcoholic degree (PVAD) = 13 º was reached) was analysed during the period 2008–2020 in areas located at different elevations and related to the weather conditions recorded in those areas. The results show the effect of temperature and water availability in different periods during the growing cycle on grape composition and the potential benefits of cultivating at a higher elevation, under higher water availability. The anthocyanins were affected by the maximum temperatures recorded in the period before veraison and during ripening (period veraison to technical maturity), decreasing their concentrations with increasing temperatures. In addition, higher water availability gave rise to an increase in acidity. Graciano is shown as a variety more suitable than Tempranillo to be cultivated under warmer conditions.

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Section: Variability In the Vine Response And Its Relationship With Climatic Variabilitymentioning

confidence: 99%

Interannual and spatial variability of grape composition in the Rioja DOCa show better resilience of cv. Graciano than cv. Tempranillo under a warming scenario

Ramos

Toda

2021

OENO One

View full text Add to dashboard Cite

show abstract

The profile of the phenolic components of grape cultivars of a complex genetic structure

Cited by 1 publication

References 13 publications

Interannual and spatial variability of grape composition in the Rioja DOCa show better resilience of cv. Graciano than cv. Tempranillo under a warming scenario

Interannual and spatial variability of grape composition in the Rioja DOCa show better resilience of cv. Graciano than cv. Tempranillo under a warming scenario

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