Potencial de utilizaÃÃo de frutos de genÃtipos de muricizeiros cultivados no litoral do Cearà / Potential use of fruits cultivated genotypes muricizeiros the coast of Ceara

AUTOR(ES)

Isabel Peixoto LourenÃo

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

28/03/2008

RESUMO

The objective of this work was to evaluate fruits of nance (Byrsonima dealbata), from different genotypes, by means of the physical and physical-chemical characterization. Fruits of nance were collected of from genotypes of the three experimental station of EMBRAPA - Empresa Brasileira de Pesquisa AgropecuÃria, in CearÃ, Brazil. Eighteen genotypes of nance, of which seven had been deriving of the Pacajus city (PAC0, PAC1, PAC2, PAC3, PAC5, PAC6, PAC7), four of the Fortaleza city (EM1, EM3, EM4, EM5) and seven of the Paraipaba city (PAR3, PAR4, PAR5, PAR7, PAR 9, PAR 11 and PAR 12), all in the State of the CearÃ. To evaluate the commercial potential of the genotypes joined and multivaried statistical analyses had been carried through. The genotype EM4 presented the greatest weight. For all the studied genotypes of nance, except EM3, were observed that the diameter is greater than the length, characterizing oblong fruits. The general average for vitamin C was of 61.58 mg/100 g. In general, the fruit is acid, with high levels of total soluble sugars, starch, total and soluble pectin and low levels of carotenoids and yellow flavonoids. The physical chemical characteristics analyzed presented high coefficients of determination and medium to high coefficients of repeatability therefore, needing a low number of measurements for prediction of the real value of the characteristics. The high values of the estimates of repeatability indicates that there is a genetic variability in this germplasm. The group analysis made by means of the Tocher Optimization, the analysis of main components and the dissimilarity of the genotypes, could be used to guide the election of promising genotypes on programs of genetic improvement.

ASSUNTO(S)

agronomia murici byrsonima dealbata pÃs-colheita caracterizaÃÃo nance byrsonima dealbata postharvest characterization murici (planta)

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