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Brotação e produção das videiras 'Cabernet Sauvignon' e 'Pinot Noir' submetidas a diferentes concentrações de cianamida hidrogenada Shoot growth and production of Cabernet Sauvignon and Pinot Noir grapevines sprayed with different concentrations of hydrogen cyanamide

Authors: Gilmar Arduino Bettio Marodin; Denis Salvati Guerra; Claiton Luiz Dvoranovski Zanini; Fabiano Argenta; Vinicius Grasselli;

Brotação e produção das videiras 'Cabernet Sauvignon' e 'Pinot Noir' submetidas a diferentes concentrações de cianamida hidrogenada Shoot growth and production of Cabernet Sauvignon and Pinot Noir grapevines sprayed with different concentrations of hydrogen cyanamide

Abstract

A ausência de frio invernal na videira produz efeitos adversos, como o atraso e desuniformidade de brotação das gemas, dificuldades de manejo fitossanitário, produção escalonada e de baixa qualidade. O trabalho foi realizado no município de Garibaldi, na região da Encosta Superior do Nordeste do Estado do Rio Grande do Sul, com 640 metros de altitude, com objetivo de testar concentrações de cianamida hidrogenada de 0; 0,5; 1,0; 1,5; 2,0 e 2,5% nas cultivares viníferas Cabernet Sauvignon e Pinot Noir. Os melhores resultados para brotação de gemas de vara foram de 1,75 e 2,0 % em 'Cabernet Sauvignon' e 'Pinot Noir', respectivamente. Concentrações superiores a 1,5 % ocasionaram uniformidade de brotação, independentemente do ano. A maior produtividade foi obtida com cianamida.hidrogenada 2,0% nas duas cultivares, com elevação média de cinco ton/ha. Houve maior fertilidade nas gemas de vara do que em esporão. Os aspectos qualitativos das uvas não foram afetados pela cianamida hidrogenada, com exceção do peso médio dos cachos na 'Pinot Noir', na safra de 2004.The lack of chilling for grapevines produces adverse effects such as the delay and unevenness of budburst; difficulties for phytosanitary procedures, extension of the harvesting period and low fruit quality. The work was carried out close to Garibaldi, at an altitude of 640 meters in the region of "Encosta Superior" Northern of the State of Rio Grande do Sul. The objective of this work was to test concentrations of hydrogen Cyanamid varying from 0; 0,5; 1,0; 1,5 ; 2,0 and 2.5% sprayed onto Cabernet Sauvignon and Pinot Noir cultivars. The best shoot growth results were obtained from sprays of 1.75% and 2.0% in Cabernet Sauvignon and Pinot Noir, respectively. Concentrations beyond to 1.5% promoted shoot growth uniformity, independent of the year. The highest productivity was obtained with 2.0% hydrogen Cyanamid in both cultivars, with an average increase of 5 ton/ha. There was a larger fertility in the cane buds than in the spurs. The qualitative aspects of the grapes were not affected by the hydrogen Cyanamid sprays except for the average weight of the Pinot Noir clusters in the 2004 harvest.

Keywords

Vitis vinifera, dormancy break, Plant culture, quebra de dormência, SB1-1110

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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