Abstract
ABSTRACT ‘BRS Vitoria’ is the most important Brazilian table grape cultivar in the domestic and foreign markets, standing out for the seedleness, pleasant flavor, high yield and mildew resistance. The aim of the present study was to determine the effect of the rootstock on the yield, production components, vigor, and physical and chemical characteristics of the ‘BRS Vitória’ grape under irrigation in the Brazilian semi-arid region. The experiment was conducted over eight consecutive production cycles in the period from 2015 to 2018 in a commercial area in the Senador Nilo Coelho project, Petrolina, PE. The treatments were represented by seven rootstocks: ‘IAC 572’, ‘IAC 766’, ‘IAC 313’, ‘Harmony’, ‘SO4’, ‘Paulsen 1103’, and ‘Freedom’, using a randomized block experimental design with four replications. The results were variable among production cycles, with significant effects of the rootstock in some cycles and/or in the overall mean of the cycles. The variables of pruning weight, sprouting, bud fertility, and titratable acidity were not affected by the rootstock in any of the production cycles evaluated in this study. ‘Harmony’ rootstock promoted greater berry mass and diameter but reduced the soluble solids content. Vines of ‘BRS Vitória’ showed moderate vigor, high bud fertility and yield, satisfactory characteristics of bunch and berry, sugars and acids content that meet the requirements of the most demanding markets in all the rootstocks evaluated in this study.
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Claims 8
Claim · model-written summary
Rootstock effects varied across production cycles, with significant effects in some cycles or overall means.
- Taxon
- grapet0
- Treatment
- rootstocke0
- Outcome
- resultse0
- Qualifier
- in some cycles and/or in the overall mean of the cyclese0
Not reportedComparatorDirection
Verbatim
e0“The results were variable among production cycles, with significant effects of the rootstock in some cycles and/or in the overall mean of the cycles.”
t0“grape”
Claim · model-written summary
Pruning weight, sprouting and bud fertility were unaffected by rootstock in all evaluated cycles.
- Taxon
- grapet0
- Treatment
- rootstocke0
- Outcome
- pruning weight, sprouting, bud fertilitye0
- Direction
- not affectede0
Not reportedComparator
Verbatim
e0“The variables of pruning weight, sprouting, bud fertility, and titratable acidity were not affected by the rootstock in any of the production cycles evaluated in this study.”
t0“grape”
Claim · model-written summary
Titratable acidity was unaffected by rootstock in all evaluated cycles.
Not reportedComparator
Verbatim
e0“titratable acidity were not affected by the rootstock in any of the production cycles evaluated in this study.”
t0“grape”
Claim · model-written summary
Harmony rootstock increased berry mass and diameter.
Not reportedComparator
Verbatim
e0“‘Harmony’ rootstock promoted greater berry mass and diameter but reduced the soluble solids content.”
t0“grape”
Claim · model-written summary
Harmony rootstock reduced soluble solids content.
Not reportedComparator
Verbatim
e0“‘Harmony’ rootstock promoted greater berry mass and diameter but reduced the soluble solids content.”
t0“grape”
Claim · model-written summary
BRS Vitória vines showed moderate vigor, high bud fertility and high yield on all evaluated rootstocks.
Verbatim
e0“Vines of ‘BRS Vitória’ showed moderate vigor, high bud fertility and yield, satisfactory characteristics of bunch and berry, sugars and acids content that meet the requirements of the most demanding markets in all the rootstocks evaluated in this study.”
t0“grape”
Claim · model-written summary
BRS Vitória bunch and berry characteristics were satisfactory across evaluated rootstocks.
Verbatim
e0“Vines of ‘BRS Vitória’ showed moderate vigor, high bud fertility and yield, satisfactory characteristics of bunch and berry, sugars and acids content that meet the requirements of the most demanding markets in all the rootstocks evaluated in this study.”
t0“grape”
Claim · model-written summary
BRS Vitória sugar and acid contents met demanding market requirements on all evaluated rootstocks.
Verbatim
e0“Vines of ‘BRS Vitória’ showed moderate vigor, high bud fertility and yield, satisfactory characteristics of bunch and berry, sugars and acids content that meet the requirements of the most demanding markets in all the rootstocks evaluated in this study.”
t0“grape”
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