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Agronomía Colombiana

versão impressa ISSN 0120-9965

Resumo

CHAPARRO-ZAMBRANO, Hans Nicolas; VELAZQUEZ, Heberth Augusto  e  ORDUZ-RODRIGUEZ, Javier Orlando. Performance of 'Valencia' sweet orange grafted in different rootstocks, Colombia Tropical Lowland. 2001-2013. Agron. colomb. [online]. 2015, vol.33, n.1, pp.43-48. ISSN 0120-9965.  http://dx.doi.org/10.15446/agron.colomb.v33n1.49497.

'Valencia' sweet orange is widely cultivated in Colombian tropical lowlands, with low yields and a lack of technology. As a result, nine rootstocks commonly used in tropical zones: 'C-35', 'Carrizo', 'Swingle' citrumelo or CPB 4475, 'Cleopatra', 'Sunki × English', 'Volkamer', 'Webberi' and 'Yuma' were evaluated. The plants were established in 2001 and were evaluated for vegetative growth, fruit yield and quality for 10 years (2004-2013). The obtained results indicated that 'Sunki × English' and 'Volkamer' were the best rootstocks for fruit yield and the worst was 'Yuma'. Furthermore, all of the rootstocks, except 'Yuma', stabilized their height in the last year. In terms of volume, 'Amblycarpa' and 'Cleopatra' were the bigger plants and 'Yuma' was the smallest. In addition, for yield efficiency, 'Yuma' had the best rootstocks, followed by 'Sunki × English'. All of the rootstocks showed a similar fruit quality, except for 'Sunki × English', which obtained the highest total soluble solids/total titratable acids ratio.

Palavras-chave : ecophysiology; fruit quality; genotype; propagation; Citrus.

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