The effect of different manual fruit thinning applications on fruit quality and yield of Fuji and Granny smith apple varieties

This study was carried out in the orchard of Ülkü Fruit Industry company located in Denizli province Tavas district Kızılcabölük in 2021. Some fruit quality characteristics of fruit thinning (fruit length, fruit width, grain weight, fruit pulp firmness, water-soluble dry matter content, yield per tree, pH, titratable acidity, skin and flesh colours). An application with no dilution was used as the control group. There are 3 replications in each application. When the results of the research were examined, Granny Smith apple variety gave the best results in terms of fruit width (77.54 mm), fruit length (71.61 mm), grain weight (217.6 g) and yield (55.00 kg tree-1). When the results are evaluated in terms of applications, it is seen that 3 fruit applications give better results, especially in terms of yield per tree. As a result of the experiment, it was determined that the fruit thinning application was effective on the quality characteristics and yield of the fruits in the commercial apple orchard.