GENETIC ANALYSIS OF GROWTH AND FRUIT BEARING TRAITS OF ‘OBLAČINSKA’ SOUR CHERRY CLONES

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Dragan Nikolić
Dragan Milatović
Vera Rakonjac
Aleksandar Radović
Jugoslav Trajković

Abstract

During the three-year period of investigation, the trunk circumference, yield per tree, and yield efficiency in 13 ‘Oblačinska’ sour cherry clones were studied. Significant differences among the studied clones and years of testing were determined for all investigated traits, while interaction clone × year showed no significant differences. The lowest trunk circumference and yield per tree were found in the clone 13 (23.2 cm; 7.6 kg), and yield efficiency in clone 3 (0.09 kg/cm2). Clone 3 had the highest trunk circumference (53.9 cm), clone 6 had the highest yield per tree (23.3 kg), and clone 10 had the highest yield efficiency (0.18 kg/cm2). The lowest coefficients of genetic and phenotypic variation were determined for the yield efficiency (16.69%; 20.46%), and the highest for the yield per tree (33.28%; 34.89%). The coefficient of heritability ranged from 66.20% for the yield efficiency up to 98.37% for the trunk circumference.

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