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This first work of a new vintage is a decisive factor for the yield and quality of a wine. Without pruning, the vine would sprawl uncontrollably and grow new canes every year from the buds of each of last year's shoots, which would continue to spread out in tiers while the lower canes become woody. As the grapes are only ever formed on one-year-old wood, pruning ensures a balance (physiological equilibrium) between yield (generative growth) and growth (vegetative growth) without too much old, unproductive wood being formed. The choice of the appropriate method depends on the soil type (fertile/infertile), the vine training (single stake, wire frame, pergola), the climate (humid, dry), the grape variety (fertility, tendency to coulure), the rootstock and local conditions.

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Andreas Essl
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The world's largest Lexicon of wine terms.

26,403 Keywords · 47,035 Synonyms · 5,323 Translations · 31,737 Pronunciations · 205,287 Cross-references
made with by our author Norbert F. J. Tischelmayer. About the Lexicon