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Revista Ciência Agronômica

On-line version ISSN 1806-6690


MEDEIROS, Damiana Cleuma de et al. Production of the hybrid Pele-de-Sapo melon Medellín cultivated at different water salinities. Rev. Ciênc. Agron. [online]. 2011, vol.42, n.3, pp.628-634. ISSN 1806-6690.

Among the problems facing cultivation of the melon in the State of Rio Grande do Norte, the salinity of the water and soil is a major limiting factor of both production and fruit quality. The objective of this work was to study the effects on the production of the hybrid Pele-de-Sapo melon Medellin, of irrigation waters at different salinity levels. The experimental design was a completely randomized block with four replications, with treatments consisting of different salt-concentrations in the irrigation water (0.54; 1.48; 2.02; 3.03 and 3.9 dS m-1). The production features measured were: total yield and commercial yield; total number of marketable fruits per plant; total number of fruits; mean weight of the marketable fruits, and total mean weight of the fruits. The increase in water salinity negatively affected the crop yield, with relative losses per unit increase in salinity of above 0.54 dS m-1, 7.5%; 7.8%; 8.32% and 8.70% for commercial and total production, and the number of marketable fruits and total fruits, respectively.

Keywords : Cucumis melo L.; Water quality; Electrical conductivity.

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