Possibility of Rooting of The Pruned Canes in Grapevine (Vitis Vinifera L.) Then Obtaining Yield Grown in Hydroponic System
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The present study was carried out to determine the potentiality of obtaining yield from one year-old hardwood pruned, left over from winter pruning of the vines, grown in a hydroponic system. The cultivar used was Tekirdag Çekirdeksizi (Tekirdag Seedless) and the study was carried out in the vegetation period of 2002. The experiment was established using the completely randomized plots design with four replicates each containing 15 cuttings making a total of 60 cuttings, all of which were planted in a perlite based hydroponic system. A parallel study was carried out in the vineyard using 12 grapevines as the control. The vineyard, comprising the control plants, was planted 14 years ago with 1.5 and 3 m in and between row distances, respectively. The control plants were pruned leaving five buds per hardwood shoots. The cuttings obtained earlier from the winter pruning were planted in perlite in containers with a 20 and 20 cm in and between rows, respectively. Each cutting was left with one to two buds making a total of 25-50 buds per square meter. When the some of the experiment results were taken into consideration, it was seen that while the value of berry weight for hydroponic system was 3.96 g, same criterion for vineyard condition was 4.01 g; value of cluster weight was for hydroponic system was 285.42 g, same criterion for vineyard condition was 287.00 g and total soluble solids and titratable acidity for hydroponic system were 18.95% and 7.65 g LG1, same criteria for vineyard condition were 20% and 6.71 g LG1, respectively. Data regarding berry and cluster characteristics were analyzed and it was determined that berry and cluster characteristics for both hydroponically and vineyard grown produce were similar.