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Ciência e Agrotecnologia

Print version ISSN 1413-7054On-line version ISSN 1981-1829


DONATO, Sérgio Luiz Rodrigues et al. Correlations among characters of the plant and of the bunch in banana (Musa spp.). Ciênc. agrotec. [online]. 2006, vol.30, n.1, pp.21-30. ISSN 1413-7054.

The characters observed in a experimental areas has phenotypic nature and their correlations are estimated with the purpose to verify alterations in one character when is altered another. The objectives of this work were to quantify the relationships among characters development and yield attributes in flowering and harvesting periods of 13 banana (Musa spp.) genotypes (varieties and hybrids), in Guanambi State of Bahia, Brazil. The varieties were Prata anã e Pacovan (AAB), Grande naine e Nanicão (AAA), and the hybrids PA42-44, PV42-85, PV42-142, PV42-68 e ST12-31 (AAAB) e Ambrosia, Calipso, Bucaneiro e FHIA02 (AAAA), selected in Embrapa Mandioca e Fruticultura. The characters analyzed were plant height; pseudostem perimeter; number of functional leaves in the flowering and in the harvesting; number of days from planting to flowering and to harvesting; number of days from flowering to harvesting; bunch weight, of raquis and of the hands; length and diameter of the peduncle; number of hands and fruits; weight of the second hand; weight, length and diameter of finger and peel thickness. The correlations among the weight of the bunch and the other studied characters, varied among the genotypes and cycles. The associations among the weight of the bunch and the characters of the plant, in a general were no significant, and among the weight of the bunch and the characters of the bunch significant and positive for most of the genotypes in the two cycles evaluated. The correlations among the characters involving all the genotypes along the two cycles was predominantly positive and no significant, however, the associations among the characters of the bunch were in majority significant, positive and with expressive values.

Keywords : Hybrids; varieties; production; phenotipcs descriptors; cycles; Musa.

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