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Articles

IMPROVEMENTS IN THE QUALITY OF GRAPEVINE ‘NEBBIOLO’ CLONES OBTAINED BY SANITATION

Article number
427_37
Pages
319 – 324
Language
Abstract
The influence by grapevine leafroll-associated closteroviruses (GLRaV-1 and -3) and grapevine virus A (GVA) on the agronomic, physiological and enological characteristics of infected clones of cv Nebbiolo compared to the same clones after heat-treatment was studied over a period of four years.

Sanitation induced an increase of vegetative vigour whereas the increase of yield was not so evident and depended on the clones.

In terms of grape quality, soluble solids and berry skin phenolic compounds were greatly increased.

The evaluation of leaf stomatal conductance and photosynthetic trend confirmed the better aptitude of virus-free vines.

Publication
Authors
F. Mannini, N. Argamante, R. Credi
Keywords
clone, virus, heat-therapy, juice quality, phenolic compounds, photosynthesis
Full text
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