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Effect of preharvest foliar sprays of calcium nitrate on melon fruit quality

Muñoz FF, VE Ruiz, CA Bouzo

Laboratorio de Investigaciones en Fisiología y Biología Molecular Vegetal (LIFIBVE), Facultad de Ciencias Agrarias, Universidad Nacional del Litoral. Kreder 2805, C.P. 3080. Esperanza, Santa Fe, Argentina.

Address correspondence to: Carlos Bouzo, e-mail:

Phyton-International Journal of Experimental Botany 2017, 86(all), 131-136.


The aim of this work was to study the effect of preharvest foliar spraying with calcium nitrate solutions on the fruit melon quality. Treatments included a combination of five solutions with Ca(NO3)2 (0.0; 1.3; 2.6; 5.2 and 10.5 g/L) and two postharvest storage environments [(24.0 ± 1.5 °C and 6.4 ± 0,8 mbar of vapor pressure deficit (VPD), and 10.0 ± 0.5 °C and 3.0 ± 0.5 mbar (VPD)]. Fruits stored at 24 °C for 11 days had the lowest water loss with treatments 1.3 and 2.6 g/L Ca (NO3)2. It was observed that at both 24 °C and 10 °C, fruits that had a greater firmness at the 2.6 and 5.2 g/L of Ca(NO3)2 treatments, respectively. No differences (P>0.05) were observed in total soluble solids (TSS) between treatments and storage environments. However, spotting of the epidermis of the fruits increased as the Ca(NO3)2 concentration also increased.


Cite This Article

FF, M., Ruiz, V., Bouzo, C. (2017). Effect of preharvest foliar sprays of calcium nitrate on melon fruit quality. Phyton-International Journal of Experimental Botany, 86(all), 131–136.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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