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Influence of late pruning practice on two red skin grapevine cultivars in a semi-desert climate. | LitMetric

Influence of late pruning practice on two red skin grapevine cultivars in a semi-desert climate.

Front Plant Sci

Albert Katz International School for Desert Studies, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion, Israel.

Published: February 2023

AI Article Synopsis

Article Abstract

Continually increasing global temperature could severely affect grape berry metabolite accumulation and ultimately wine polyphenol concentration and color intensity. To explore the effect of late shoot pruning on grape berry and wine metabolite composition, field trials were carried out on cv. Malbec and cv. Syrah grafted on 110 Richter rootstock. Fifty-one metabolites were detected and unequivocally annotated employing UPLC-MS based metabolite profiling. Integrating the data using hierarchical clustering showed a significant effect of late pruning treatments on must and wine metabolites. Syrah metabolite profiles were characterized by a general trend of higher metabolite content in the late shoot pruning treatments, while Malbec profiles did not show a consistent trend. In summary, late shoot pruning exerts a significant effect, though varietal specific, on must and wine quality-related metabolites, possibly related to enhanced photosynthetic efficiency, which should be taken into consideration when planning mitigating strategies in warm climates.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9945113PMC
http://dx.doi.org/10.3389/fpls.2023.1114696DOI Listing

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