BRUEZ, Emilie; CHOLET, Céline; COLL, Patrice; BOISSEAU, Mathilde; WEINGARTNER, Sandrine; POITOU, Xavier; REY, Patrice; GENY-DENIS, Laurence

doi:10.20870/oeno-one.2024.58.3.8101

Unité de Recherche Œnologie [Villenave d'Ornon] [OENO]

CHOLET, Céline
Unité de Recherche Œnologie [Villenave d'Ornon] [OENO]

COLL, Patrice

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Article de revue

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OENO One. 2024-08-12, vol. 58, n° 3, p. 8101

Resumen en inglés

This article investigates and models the effects of maintenance pruning quality on the initial formation of desiccation cones and wood necrotisation. Two different types of pruning, short and long pruning cuts, were performed annually for three years in two Charente vineyards. The short pruning type removed the diaphragm. In the long one, four modalities were applied: these ranged from keeping a 1 cm chicot above the diaphragm, to leaving a much longer one to preserve the bud. Neither of the trials, whether for short or long pruning, showed any correlation between necrosis length and spur diameter (R2 < 0.14 for both trials). Charente Ugni Blanc necrosis length, for long pruning, proved significantly more extensive 8 months after pruning, without damaging the diaphragm. Chicot necrotisation rates varied with each vintage, particularly in 2020, the year immediately following the first maintenance pruning. When long pruning cuts preserved 2–3 cm of cane above the diaphragm, the desiccation cones were blocked, leaving the sap flow unimpeded. © 2024, International Viticulture and Enology Society. All rights reserved.< Leer menos

Palabras clave en inglés

Diaphragm

Necrosis Length

Necrotic Wood

Quality Maintenance Pruning

Ugni Blanc

Young Vines

URI

https://oskar-bordeaux.fr/handle/20.500.12278/206021

DOI

http://dx.doi.org/10.20870/oeno-one.2024.58.3.8101

Centros de investigación

Oenologie - UMR 1366

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Importance of quality maintenance pruning for young Ugni Blanc grapevines

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Resumen en inglés

Palabras clave en inglés

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Centros de investigación