Abstract
O objetivo deste trabalho foi estudar algumas alterações físicas e químicas durante o desenvolvimento de frutos de melão de quatro cultivares. Para isto foram plantadas quatro cultivares de melão na área experimental do Departamento de Ciências Vegetais da Universidade Federal Rural do Semi-Árido - UFERSA, onde foram monitorados os períodos da antese. O delineamento experimental foi em blocos completos casualizados, com três repetições, em esquema de parcela subdividida. As parcelas foram constituídas pelas cultivares de melão ('AF 1749', Hy-Mark, Rochedo e Caipira) e as subparcelas pelas idades dos frutos (14; 21; 28; 35 e 42 dias após a antese). Quatro frutos por subparcela foram colhidos nestas idades e foram analisados quanto à massa média, firmeza, sólidos solúveis, acidez total, vitamina C e pH. Verificou-se interação significativa entre os fatores estudados (idades x cultivares) para massa média dos frutos, firmeza de polpa, acidez total, pH, vitamina C e sólidos solúveis. A massa dos frutos, firmeza, sólidos solúveis, pH e Vitamina C aumentaram, e a acidez diminuiu durante o desenvolvimento dos frutos.
Highlights
The objective of this work was to study some physical and chemical changes during melon fruits development of four cultivars
The experimental design used was of randomized complete blocks with three replications
Four fruits per subplot of each cultivar were harvested in the different fruit times
Summary
ABSTRACT – The objective of this work was to study some physical and chemical changes during melon fruits development of four cultivars. To the plots were assigned the melon cultivars (‘AF 1749’, Hy-Mark, Rochedo e Caipira) and to the subplots were assigned the harvested fruit times (7, 14, 21, 28, 35 and 42 days after anthesis). Four fruits per subplot of each cultivar were harvested in the different fruit times, and they were analyzed for average weight, firmness, soluble solids, total acidity, vitamin C and pH. There was a significant interaction between harvested fruit times and cultivars for average fruit weight, pulp firmness, total acidity, pH, vitamin C and soluble solids. The average fruit weight, pulp firmness, soluble solids, pH and Vitamin C increased and the total acidity decreased with the melon fruit’s development. Atualmente, parte da produção é exportada para a Espanha, Holanda, Inglaterra e Finlândia (Agrianual, 2001)
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