Resumen

ORDUZ-RODRIGUEZ, JAVIER ORLANDO; CASTIBLANCO G., SERGIO; CALDERON, CLAUDIA LILIANA  y  VELASQUEZ R., HEBERTH. Yield and quality potential of 13 commercial varieties and hybrids of citrus in the conditions of the Piedmont Plains of Colombia. rev.colomb.cienc.hortic. [online]. 2011, vol.5, n.2, pp.171-185. ISSN 2011-2173.

The performance of 13 commercial varieties and hybrids of citrus under conditions of the Piedmont Plains in the department of Meta (Colombia) was assessed in order to select potentially productive citrus cultivars with suitable fruit quality for consumption. The growth variables (plant height, crown diameter), productive potential (yield per plant and fruit weight) and fruit quality (total soluble solids, total titratable acidity and juice content) were measured. The cultivars that showed better productive potential and fruit quality were 'Dancy' tangerine, 'Sweet Crescent' orange, 'Star Ruby' grapefruit, 'Ellendale' tangor and 'Orlando' tangelo, which can be classified as promising materials for the region. 'Rhode Red Valencia', 'Delta' and 'Midknight' oranges had intermediate behavior in the cumulative output variable, while 'Cara-Cara Navel' orange, 'Río Red' grapefruit and 'Pear' tangelo can be ruled out as potential cultivars as they are not adapted to the environmental conditions of the area that was evaluated, with low production and poor fruit quality. According to the study, the 'Pear' tangelo was confirmed as being susceptible to Phytophthora.

Palabras clave : tropical citrus production; ecophysiology; production efficiency.

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