Abstract:
Investigations were conducted in the years 2009 - 2010 in apple orchard in SA Zubreşti planted in the spring of 2003, with 4x2 m planting scheme. Trees are driven by thin spindle-shaped crown improved. We studied the apple fruit thinning by chemical thinning, manual and mixed in 3 varieties Golden Delicious, Idared and Florina, grafted on rootstock M26. It was determined by counting the number of blossoms button flower, fruit number and weight. The variety Golden Delicious fruit were the lowest recorded in the control variant (106 g) with an amount of 16.5 kg/tree and 20.6 t/ha, and most fruits were two options - (136 g ) and an amount of 22.7 t/ha, and variant 4 (138 g) and a total quantity of fruit per hectare to 24.1 t/ha.
