PRODUCTIVITY OF EARLY AND MEDIUM EARLY APRICOT CULTIVARS IN THE BELGRADE AREA

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Published: Dec 1, 2017
Keywords:
Prunus armeniaca, yield, trunk cross-sectional area, yield efficiency, fruit weight

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Dragan Milatovic
University of Belgrade, Faculty of Agriculture, Serbia
Gordan Zec
University of Belgrade, Faculty of Agriculture, Serbia
Dejan Djurovic
University of Belgrade, Faculty of Agriculture, Serbia

Abstract

Characteristics of productivity and growth (yield per tree, trunk cross-sectional area, yield efficiency and fruit weight) were studied in 40 apricot cultivars of early and medium early maturity in the Belgrade area during the six-year period (2009 – 2014). The cultivar ‘Hungarian Best’ was used as a control for comparison. The period of study was divided to initial bearing (age of trees three and four years) and full bearing (age of trees from five to eight years). Significant differences in yield between cultivars and years were found. Average yield in the period of initial bearing ranged from 0.3 to 11.3 kg per tree, and in the period of full bearing from 5.6 to 24.8 kg per tree. Compared with the control cultivar, significantly higher yield was obtained in 17 cultivars. Adverse weather
conditions resulted in significant reduction of yield in two out of six years of study. Cumulative yield efficiency varied from 0.17 to 0.87 kg/cm2 and in 19 cultivars it was significantly higher compared with the control cultivar. Fruit weight ranged from 27.7 to 80.1 g. Compared with control, fruit weight was significantly higher in nine cultivars, and significantly lower in 11 cultivars.

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Article Details

Issue
Vol 71 No 2 (2017): Journal of Agricultural, Food and Environmental Sciences, JAFES
Section
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