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IVES 9 IVES Conference Series 9 Three Nebbiolo clone anthocyanin profile as affected by environmental conditions

Three Nebbiolo clone anthocyanin profile as affected by environmental conditions

Abstract

Vitis vinifera ‘Nebbiolo’ cultivar is a 3’-subsituted anthocyanin prevalent wine variety. It is grown in North-West Italy for the production of high quality ageing wines. In the present work berry skin anthocyanin amounts and profiles of the clones CVT 308, CVT 423 and CVT 142 were studied in 2004 and in 2005 in four environmentally different locations of North-West Italy: Donnas (steep mountain area), Monforte (hilly area, with a pH of 8.1), Vezza (hilly area, with a pH of 8.2) and Lessona (plain area, with a pH of 4.8). The interaction cultivation area vs climatic condition of the year was studied in relation to the clone anthocyanin contents and profiles. Differences in the anthocyanin amounts and profile were kept among sites and in both years and they allowed the discrimination among sites. CVT 308 and CVT 423 showed some analogies in three sites only in 2005, while the CVT 142 anthocyanin composition was similar to the one of clone CVT 423 in Donnas and of clone CVT 308 both in Donnas and in Lessona, but only in 2005. Grapes from Vezza accumulated more sugars and less anthocyanins showing higher percentages of malvidin-3-O-glucoside and of total acylated derivatives respect to the other locations.

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Publication date: January 12, 2022

Issue: Terroir 2006

Type: Article

Authors

Silvia GUIDONI (1), Alessandra FERRANDINO (1) and Franco MANNINI (2)

(1) Dipartimento Colture Arboree, Università di Torino, via L. da Vinci, 44, 10095 Grugliasco (TO), Italy
(2) Istituto Virologia Vegetale CNR, sez. Grugliasco (TO), Italy

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Keywords

Vitis vinifera, environment, climate, anthocyanin amount, anthocyanin percentage

Tags

IVES Conference Series | Terroir 2006

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