CANE PRUNING INTENSITY OF VINE AS A SUBSTANTIAL FACTOR INFLUENCING PHYSICO-CHEMICAL ATTRIBUTES OF BERRIES CULTIVAR ‘REGENT’
Journal Title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica - Year 2018, Vol 47, Issue 343
Abstract
The research were focused on the assessment of quality attributes of berries cultivar ‘Regent’. The vines trained on Single Guyot training system were pruned at three intensities of 4, 6 or 8 buds per cane. Berries were harvested in three consecutive seasons (2013–2015) at the research station of West Pomeranian University of Technology Szczecin in Poland. ‘Regent’ grapes were analysed in terms of physical and chemical attributes, i.e. weights of clusters and 100 berries, total soluble solids, titratable acidity, pH, polyphenols, nutrients (Ca, Cu, Fe, K, Mg, Mn, N, P, Zn) and heavy metals (Cd, Pb). Our results showed that cane pruning intensity of vine cultivar ‘Regent’ had significant influence on the quality of berries, with the exceptions of cluster weight, titratable acidity and pH. Weight of 100 berries, total soluble solids and most of elements increased as the intensity of pruning increased. In turn, the lightest pruning treatment led to the greatest polyphenol, K, Cu and Fe contents in berries.
Authors and Affiliations
Kamila PACHNOWSKA, Ireneusz OCHMIAN
Keywords
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