BIO Web of Conferences
Volume 7, 201639th World Congress of Vine and Wine
|Number of page(s)||2|
|Published online||26 October 2016|
Defoliation in ‘Pinotage’ during the harvests 2014/15 and 2015/16 in Dom Pedrito-RS
Federal University of Pampa (UNIPAMPA) – “Dom Pedrito” Campus – Course of Bachelor's Degree in Oenology. Adress: Street Vinte e Um de Abril n ∘ 80, “Dom Pedrito”, “Rio Grande do Sul” (RS), CEP 96450-000, Brazil
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The objective of this study was to evaluate the effect on must from defoliation in ‘Pinotage’ in a property in the region Dom Pedrito, conducted in espalier and from East / West direction. The work was performed by the Nucleus of Study, Research and Extension in Oenology (NEPE2); in 2014/2015 and 2015/2016 harvests. The treatments were: T1 – control; T2 – Defoliation in thenorth; T3 – Defoliation in the south and; T4 – Defoliation South and North. The response variables were analyzed by infrared spectrometry fourier transform (FTIR); these analyzes in the must were: total soluble solids (TSS) in ∘Brix, pH, potassium and gluconic acid. The experimental design was a randomized block design with four replications and 20 plants per plot. The results were submitted to analysis of variance (F test) and multiple comparison of averages by Tukey test at 5% probability. TSS is kept equal in the 2014/15 crop, but in the 2015/16 season were different and the treatment T4 (Defoliation North and South); significantly higher, followed by treatment T3 (Defoliation to the south).
© The Authors, published by EDP Sciences 2016
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