QUALIDADE DE FRUTOS DE DIFERENTES VARIEDADES DE MELANCIA PROVENIENTES DE MOSSORÓ - RN
2010
IZAIAS DA SILVA LIMA NETO | ISAÍAS PORFÍRIO GUIMARÃES | PATRÍCIO FERREIRA BATISTA | EDNA MARIA MENDES AROUCHA | MANOEL ABILIO DE QUEIRÓZ
In Brazil, the production of watermelon with seeds is highly representative. However, available information about fruit quality of different varieties grown in the same environment is still rare, which makes it necessary to carry out trials that can fill this gap. Thus, the present study aimed to evaluate the postharvest quality of different varieties of watermelon (Crimson Sweet, Charleston Gray, Sugar Baby, Fairfax and Tendersweet), grown under conventional conditions in Mossoró - RN. The experiment was carried out from September to November 2008 in the experimental field of the Federal Rural University of the Semiarid (UFERSA). The data for the fruit quality were recorded in the Laboratory of Postharvest of UFERSA. The experiment was set under a completely randomized design with six replications and each replication consisted of a fruit. The quality characteristics were analyzed: fruit fresh mass (kg), fruit dimensions (greater length and width), overall appearance, pulp yield in percentage, seed characteristics, pH, acidity, vitamin C, soluble solids and SS/TA ratio. The physical determinations showed variations for fruit fresh mass (4.2 to 9.7 kg), pulp yield (42.0 to 58.5%), rind thickness (1.1 to 2.5 cm), as well as to the number and mass of seeds. In the physical-chemical determinations it was observed phenotypic uniformity among the varieties for almost all variables and, although all of them favorable to consumption, this result indicates narrowing of the genetic basis of varieties, which makes it necessary the evaluation of other genotypes.
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