Effects of Cluster Tipping on Yield and Quality of Uslu and Cardinal Table Grape CultivarsJournal: COMU Journal of Agriculture Faculty (Vol.2, No. 1)
Publication Date: 2014-08-05
Authors : Alper Dardeniz;
Page : 21-26
Keywords : Vitis vinifera L.; Cluster tipping; Yield; Quality; Çanakkale;
This research was conducted in Çanakkale, Turkey aimed to study the effects of cluster tipping applications on the yield and quality of Uslu (V. vinifera L.) and Cardinal (V. vinifera L.) grape cultivars. When the berries were 5–7 mm, the clusters were tipped at 1/3rd, 1/6th and 1/12th of the cluster length. In Uslu, cluster length (cm), cluster width (cm), cluster compactness (1–9), number of berries/cluster (n), berry weight (g) and titratable acidity (TA) (%) parameters were affected by the applications. In Cardinal, cluster length (cm), cluster compactness (1–9), number of berries/cluster (n), berry weight (g), total soluble solid (TSS) (%), titratable acidity (TA) (%) and maturity index parameters were affected by the applications. Yield was not affected by cluster tipping in Uslu and Cardinal grape cultivars. It was concluded that the cluster tipping applied to the Uslu in a proportion of one–third and to the Cardinal in a proportion of one–sixth of the cluster length would be positively sufficient in terms of increasing the grape quality.
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