Title Tree and fruit characteristics in some apple varieties practiced slender spindle training
Authors Yakup ÖZKAN, Emine KÜÇÜKER, Çetin ÇEKİÇ, Bayram MEHDER, Ayşegül ÇAKIR
Abstract This study was carried out in Horticultural Department of Agricultural Faculty of Gaziosmanpasa University in 2007-2009. Gala, Golden Smothe, Golden Reinders, Summer Red and Jersey Mac cultivars budded/grafted M9 apple rootstock planted 3x1 m spaces in December 2006 were used for the experiments. The slender spindle training system was applied to the plants. Some vegetative and generative characteristics such as vegetative shoot number, total generative shoot(spur) number, rootstock thickness-diameter(mm), trunk thickness-diameter(mm), trunk crossectional area (mm2), yield per trunk cros-sectional area(the yield efficiency; kg/cm2), total soluble solid (%), titretable acids, fruit firmness(kg), average fruit weight, the yield of per tree (kg), fruit colour values were observed and analysed during the experiment. In the first year (2008) of experiment, the results of some plant characteristics were in the range among cultivars as follow; trunk crossectional area (mm2); between 391 mm2 (Jersey Mac) and 227 mm2 (Summer Red), vegetative shoot number; between 10.58 (Jersey Mac) and 8.69 (Golden Reinders); total generative shoot(spur) number; between 19.19 (Golden Smothe) and 13.97 (Gala), The fruit characteristics could only be investigated for Summer Red and Jersey Mac varieties since other cultivars did not have enough fruit in the first year. The fruit characteristics of these two cultivars were in the range as follow; the yield of per tree (kg); 522 g, in Summer Red variety, 864 g in Jersey Mac variety, average fruit weight(g); 141 g in Summer Red variety and 164 g in Jersey Mac variety, fruit firmness(kg); 7.5 kg in Summer Red variety and 5.6 kg in Jersey Mac, total soluble solid (%); 13.37 % in Summer Red and 13.17 % in Jersey Mac. Jersey Mac was also brighter and more red than Summer Red according to top and floor of fruit colour Lab values
Keywords Slender spindle, apple varieties, total generative shoot(spur) number, the yield efficiency (kg/cm2), fruit weight(g)
Journal TABAD - Research Journal of Agricultural Sciences
Issue Issue 2
Page 137-143
Year 2009
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