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PHENOLOGY EVALUATION OF ‘TRIUMPH’ PEAR TREES GROWN IN SEMI-ARID CLIMATE IN THE NORTHEAST BRAZIL IN 2012 SEASON

Phenology is a primary tool for inserting cultures in areas with different conditions from those in which they are adapted. The present study aimed to characterize phenological and productive ‘Triunfo’ pear under semiarid tropical conditions, in the São Francisco Valley, Northeast Brazil. The experiment was conducted from February 10th to July 2nd, 2012 in experimental orchard at theExperimental Station of Embrapa Semiarid Bebedouro, in Petrolina-PE, Brazil. Observations were madedaily, the dormant buds to fruit ripening and evaluated the following production parameters: i) ripening:the relation between number of flowers and fruits (%), ii) the number of fruits per plant; iii) productionof fruits per plant (kg) and iv) productivity (t / ha). The phenological cycle of Triumph pear lasted 144 days, the fruit set obtained was 11.43%, number of fruits per plant was 162, yield per plant was 26.34 kg andproductivity of 26.33 t ha-1. Based on the results we found the possibility of pear fruit production in semi-arid tropical condition.

Pyrus communis L.; semiarid; phenology; chilling requirement growing season


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