Intensidades da poda seca e do desbaste de cacho na composição da uva Cabernet Sauvignon

Miele, Alberto; Rizzon, Luiz Antenor

doi:10.1590/s0100-29452013000400020

Cited by 18 publications

(15 citation statements)

References 24 publications

(14 reference statements)

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“…Results similar to those observed for 'Thompson Seedless' grapevine were reported in different cultivars, highlighting an inverse relationship between number of bunches per plant and SS (EZZAHOUANI; WILLIAMS, 2003;KUNIHISA et al, 2003;KAVOOSI et al, 2009;SOMKUWAR ;RAMTEKE, 2010;BERKEY et al, 2011;PASTORE et al, 2011;MIELE;RIZZON, 2013). Dayer et al (2013) suggested, from a study with the 'Malbec' grapevine, that bunch thinning has a greater impact on the ratio between simple and reserve sugars (starch) than the total content available in the plant.…”

Section: Resultssupporting

confidence: 71%

Effect of Shoot and Bunch Density on Yield and Quality of ‘Sugraone’ and ‘Thompson Seedless’ Table Grapes

Leão

Lima

2017

Rev. Bras. Frutic.

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ABSTRACT-This study aimed to evaluate the effect of shoot and bunch density through thinning practices on yield components and quality of 'Thompson Seedless' and 'Sugraone' grapevines in the São Francisco River valley. The experiments were carried out during two growing seasons (2010 and 2012) in commercial vineyards of Lagoa Grande, state of Pernambuco, Brazil. Treatments were a split plot represented by three shoot densities and three bunch densities in a random block design. The yield of 'Thompson Seedless' grapevine was up to 25.9% higher in plants kept with 6 bunches.m -2 , reaching 20.7 and 27.0 kg.plant -1 , in the 2010 and 2012 crop years, respectively. Although effects on yield were not observed in 'Sugraone' cultivar, bunch and berry mass was higher in treatments with 5 bunches.m -2 and 7 shoots.m -2 , respectively, in the last production cycles. 'Thompson Seedless' grapes with greater berry firmness were harvested in 2012 in plants submitted to densities of 7 or 8 shoots.m -2 , while the contents of soluble solids and total soluble sugars were higher in grapes harvested from plants with lower shoot and bunch densities. However no effects of treatments on the contents of soluble solids were observed in 'Sugraoen' grapes. The use of 7 shoots.m -2 associated to 6 bunches.m -2 is recommended for 'Thompson Seedless' grapevines because it increased yield with no harm to fruit quality, while for 'Sugraone', densities of 7 shoots.m -2 and 5 bunches.m -2 can be used to increase the mass of bunches and berries. Index terms: Seedless grapes. Vitis vinifera L.. Shoot removal. Thinning. DENSIDADE DE RAMOS E DE CACHOS NA PRODUÇÃO E QUALIDADE DE UVAS DE MESA 'SUGRAONE' E 'THOMPSON SEEDLESS'RESUMO -Este trabalho teve como objetivo avaliar a influência de diferentes densidades de brotos e de cachos, por meio das práticas de desbrota e desbaste, sobre os componentes de produção e de qualidade dos cachos de uvas 'Sugraone' e 'Thompson Seedless' no Vale do São Francisco. Os experimentos foram realizados durante dois ciclos de produção (2010 e 2012), em vinhedos comerciais, no município de Lagoa Grande-PE. Os tratamentos estavam distribuídos em parcelas subdivididas, representadas por três densidades de brotos e três densidades de cachos, em delineamento experimental, em blocos ao acaso. A produção em 'Thompson Seedless' foi 25,9% maior em plantas mantidas com 6 cachos.m -2 , alcançando 20,7 e 27,0 kg.planta -1 , nas colheitas de 2010 e 2012, respectivamente. Na cultivar Sugraone, não houve efeitos sobre a produção por planta, embora a massa do cacho e da baga tenham sido maiores, em, pelo menos, um ciclo de produção, respectivamente, nos tratamentos com densidade de 5 cachos.m -2 e 7 brotos.m -2 . Em 'Thompson Seedless', uvas mais firmes foram colhidas em 2012, de plantas com 7 ou 8 brotos.m -2 , enquanto os teores de sólidos solúveis e de açúcares solúveis totais foram maiores nas uvas colhidas de plantas com menores densidades de brotos e cachos. Entretanto, na 'Sugraone', não se observou efeito dos tratamentos sobre ...

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Section: Resultssupporting

confidence: 71%

Effect of Shoot and Bunch Density on Yield and Quality of ‘Sugraone’ and ‘Thompson Seedless’ Table Grapes

Leão

Lima

2017

Rev. Bras. Frutic.

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“…The results of this study were probably due to a variety of factors, such as the source/sink relationship during the grape-ripening period, where the crop load might have played a role. However, an experiment carried out over four years under the same soil conditions comparing two pruning intensities and four thinning intensities showed that, on average, total soluble solids increased by only 0.47 °Brix whereas the yield per hectare decreased from 32.82 t ha -1 to 10.97 t ha -1 (MIELE; RIZZON, 2013). This data supports the idea that crop loadings may have had little effect on the differences found between treatments and it should also be mentioned that the climatic conditions, soil physicochemical characteristics and vineyard management were similar to those of the present experiment.…”

Section: Resultsmentioning

confidence: 99%

Rootstock-scion interaction:5. Effect on the evolution of Cabernet Sauvignon grape ripening

Miele

Rizzon

2019

Rev. Bras. Frutic.

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The rootstock effect on grapevine yield components, grape must and wine composition and wine sensory characteristics were evaluated in previous studies. This experiment carried out over five years had the objective to determine the effect of the rootstock on the evolution of variables related to sugar and acidity contents of the juice during grape ripening. The treatments consisted of Cabernet Sauvignon grapevine grafted on rootstocks such as Rupestris du Lot, 101- 14 Mgt, 3309 C, 420A Mgt, 5BB K, 161-49 C, SO4, Solferino, 1103 P, 99 R, 110 R, Gravesac, Fercal, Dogridge and Isabel. The berries were sampled during the grape ripening period, on nine dates during the summer of each year. Taken to the laboratory, they were hand crushed and the juice was centrifuged to separate the solid and liquid phase, where the supernatant was then used for physicochemical analyses. The data were submitted to Principal Component Analysis (PCA) and polynomial regression analysis. The main results show that, at grape maturity, the PCA discriminated mainly the juices of CS/101-14 Mgt, CS/SO4 and CS/Gravesac, which had high density, total soluble solids, total soluble solids/titratable acidity ratio and pH, and CS/Dogridge and CS/Fercal, which had high titratable acidity. The density, total soluble solids, titratable acidity, total soluble solids/titratable acidity ratio increased as grape ripened, but the titratable acidity decreased. However, the increase or decrease rates were lower at the end of the grape ripening cycle according to the variable, and the total soluble solids having the highest increase (116.3%) and the titratable acidity the highest decrease (68.3%).

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“…There are many works relating yield and total soluble solids in grapes. Some show that there is no direct relationship between them [12] and others found that the increase of sugar in grape is proportionally low compared to the reduction of productivity [13]. But, most works show that the higher the yield, the lower the sugar concentration in grape berries [14].…”

Section: Resultsmentioning

confidence: 99%

Grapevine yield components and composition of Isabel grape produced according to the organic and conventional systems

Miele

2016

BIO Web Conf.

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Abstract. There is an increasing demand for organic grapes by the juice industry of Serra Gaúcha, Brazil. This region presents a humid and hot summer, ideal climatic conditions for the development of a number of diseases. To control such diseases and problems brought about by other organisms, growers apply pesticides on the grapevines which may leave residues in grapes. However, in general, grapes produced by organic system have lower yield, but there is a lack of research data on this subject. Thus, an experiment was carried out over three years in order to compare the yield components and the physicochemical composition of the must of Isabel grapes conducted in both production systems. When the grapes were ripe, variables related to yield components were evaluated, such as the number of clusters/vine, yield/vine and weight/cluster. Then the grapes were sampled and taken to the laboratory where they were crushed and the musts were centrifuged and analyzed. The 3-year data mean were submitted to correlation analysis and Principal Component Analysis. The results show that conventional grapevines produced 2.18 times more than organic. However, the grapes from the organic system had higher density, Brix, pH, Brix/titratable acidity ratio, P and Mg but lower K, and Ca varied little between both production systems.

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Intensidades da poda seca e do desbaste de cacho na composição da uva Cabernet Sauvignon

Cited by 18 publications

References 24 publications

Effect of Shoot and Bunch Density on Yield and Quality of ‘Sugraone’ and ‘Thompson Seedless’ Table Grapes

Effect of Shoot and Bunch Density on Yield and Quality of ‘Sugraone’ and ‘Thompson Seedless’ Table Grapes

Rootstock-scion interaction:5. Effect on the evolution of Cabernet Sauvignon grape ripening

Grapevine yield components and composition of Isabel grape produced according to the organic and conventional systems

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