Defoliation of two-wire vertical trellis: effect on grape quality

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1 Citazione (Scopus)

Abstract

Basal leaves were removed from Cabernet Sauvignon vines trained to a two-wire vertical trellis at fruit set and at veraison. Leaf removal did not modify total soluble solids and titratable acidity at harvest. Defoliation at fruit set of lower cordon recovered the grape anthocyanin composition gap between upper and lower cordons and that produced a positive effect on anthocyanin synthesis. Hence, control of the upper cordon and defoliation of fruit set of the lower cordon treatments showed comparable values of anthocyanins. Defoliation at veraison did not produce any appreciable effect. This study shows that skin anthocyanin composition in a two-wire vertical trellis can be modified by leaf removal in the fruit zone of the lower cordon, reducing variability in the ripeness between the two cordons.
Lingua originaleEnglish
pagine (da-a)18-38
Numero di pagine21
RivistaNew Zealand Journal of Crop and Horticultural Science
Volume46
Stato di pubblicazionePublished - 2017

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wire
defoliation
anthocyanins
grapes
fruit set
leaves
total soluble solids
titratable acidity
vines
synthesis
fruits

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Horticulture

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@article{f8a1be2d68be4c28a7d396eb4490bc3e,
title = "Defoliation of two-wire vertical trellis: effect on grape quality",
abstract = "Basal leaves were removed from Cabernet Sauvignon vines trained to a two-wire vertical trellis at fruit set and at veraison. Leaf removal did not modify total soluble solids and titratable acidity at harvest. Defoliation at fruit set of lower cordon recovered the grape anthocyanin composition gap between upper and lower cordons and that produced a positive effect on anthocyanin synthesis. Hence, control of the upper cordon and defoliation of fruit set of the lower cordon treatments showed comparable values of anthocyanins. Defoliation at veraison did not produce any appreciable effect. This study shows that skin anthocyanin composition in a two-wire vertical trellis can be modified by leaf removal in the fruit zone of the lower cordon, reducing variability in the ripeness between the two cordons.",
keywords = "anthocyanins; Cabernet Sauvignon; canopy management; condensed tannins; cordon position; leaf removal;",
author = "Barbagallo, {Maria Gabriella} and Antonino Pisciotta and Pietro Scafidi and Marta Mazza and Downey and Mazza",
year = "2017",
language = "English",
volume = "46",
pages = "18--38",
journal = "New Zealand Journal of Crop and Horticultural Science",
issn = "0114-0671",
publisher = "Taylor and Francis Ltd.",

}

TY - JOUR

T1 - Defoliation of two-wire vertical trellis: effect on grape quality

AU - Barbagallo, Maria Gabriella

AU - Pisciotta, Antonino

AU - Scafidi, Pietro

AU - Mazza, Marta

AU - Downey, null

AU - Mazza, null

PY - 2017

Y1 - 2017

N2 - Basal leaves were removed from Cabernet Sauvignon vines trained to a two-wire vertical trellis at fruit set and at veraison. Leaf removal did not modify total soluble solids and titratable acidity at harvest. Defoliation at fruit set of lower cordon recovered the grape anthocyanin composition gap between upper and lower cordons and that produced a positive effect on anthocyanin synthesis. Hence, control of the upper cordon and defoliation of fruit set of the lower cordon treatments showed comparable values of anthocyanins. Defoliation at veraison did not produce any appreciable effect. This study shows that skin anthocyanin composition in a two-wire vertical trellis can be modified by leaf removal in the fruit zone of the lower cordon, reducing variability in the ripeness between the two cordons.

AB - Basal leaves were removed from Cabernet Sauvignon vines trained to a two-wire vertical trellis at fruit set and at veraison. Leaf removal did not modify total soluble solids and titratable acidity at harvest. Defoliation at fruit set of lower cordon recovered the grape anthocyanin composition gap between upper and lower cordons and that produced a positive effect on anthocyanin synthesis. Hence, control of the upper cordon and defoliation of fruit set of the lower cordon treatments showed comparable values of anthocyanins. Defoliation at veraison did not produce any appreciable effect. This study shows that skin anthocyanin composition in a two-wire vertical trellis can be modified by leaf removal in the fruit zone of the lower cordon, reducing variability in the ripeness between the two cordons.

KW - anthocyanins; Cabernet Sauvignon; canopy management; condensed tannins; cordon position; leaf removal;

UR - http://hdl.handle.net/10447/284188

UR - http://www.tandf.co.uk/journals/TNZC

M3 - Article

VL - 46

SP - 18

EP - 38

JO - New Zealand Journal of Crop and Horticultural Science

JF - New Zealand Journal of Crop and Horticultural Science

SN - 0114-0671

ER -