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Revista Ceres

versão impressa ISSN 0034-737Xversão On-line ISSN 2177-3491

Resumo

FERREIRA, Jeferson Pereira et al. Comparison of methods for classification of the coefficient of variation in papaya. Rev. Ceres [online]. 2016, vol.63, n.2, pp.138-144. ISSN 2177-3491.  http://dx.doi.org/10.1590/0034-737X201663020004.

The objective of this work was to study the distribution of values of the coefficient of variation (CV) in the experiments of papaya crop (Carica papaya L.) by proposing ranges to guide researchers in their evaluation for different characters in the field. The data used in this study were obtained by bibliographical review in Brazilian journals, dissertations and thesis. This study considered the following characters: diameter of the stalk, insertion height of the first fruit, plant height, number of fruits per plant, fruit biomass, fruit length, equatorial diameter of the fruit, pulp thickness, fruit firmness, soluble solids and internal cavity diameter, from which, value ranges were obtained for the CV values for each character, based on the methodology proposed by Garcia, Costa and by the standard classification of Pimentel-Gomes. The results obtained in this study indicated that ranges of CV values were different among various characters, presenting a large variation, which justifies the necessity of using specific evaluation range for each character. In addition, the use of classification ranges obtained from methodology of Costa is recommended.

Palavras-chave : Carica papaya L.; experiment; experimental precision.

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