Commercial and nutraceutical quality of grafted melon cultivated under hydric stress

Marco Antonio Villegas Olguín, Marcelino Cabrera De la Fuente, Adalberto Benavides Mendoza, Antonio Juárez Maldonado, Alberto Sandoval Rangel and Eloy Fernandez Cusimamani
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Marco Antonio Villegas Olguín: Department of Horticulture, University Autonomus Agrarian Antonio Narro, Saltillo, Coahuila, México
Marcelino Cabrera De la Fuente: Department of Horticulture, University Autonomus Agrarian Antonio Narro, Saltillo, Coahuila, México
Adalberto Benavides Mendoza: Department of Horticulture, University Autonomus Agrarian Antonio Narro, Saltillo, Coahuila, México
Antonio Juárez Maldonado: Department of Horticulture, University Autonomus Agrarian Antonio Narro, Saltillo, Coahuila, México
Alberto Sandoval Rangel: Department of Horticulture, University Autonomus Agrarian Antonio Narro, Saltillo, Coahuila, México
Eloy Fernandez Cusimamani: Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Czech Republic

Horticultural Science, 2020, vol. 47, issue 3, 139-149

Abstract: Water stress decreases the quality of fruit by generating reactive oxygen species. Grafting is a technique that can improve the efficiency of crop water usage. This work was performed in order to assess the effect of different water stresses on the commercial and nutraceutical quality of a melon fruit. Cantaloupe melon plants, grown under shade houses were grafted onto a creole pumpkin rootstock and grown with different water stresses (20, 30, and 40 kPa). The grafted melon plants under 30-kPa water stress (G30) showed greater fruit firmness and increased catalase activity. The G30 fruits showed an increase in GPX activity of up to 80% over the non-grafted plants. The GSH was higher in fruits subjected to the 40-kPa water tension. The superoxide dismutase showed a 15% greater inhibition in the fruits from the non-grafted plants. At higher water tensions, the DPPH antioxidant activity decreased, while the vitamin C content increased.

Keywords: antioxidants; Cucumis melo; water stress; nutraceuticals (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:47:y:2020:i:3:id:139-2019-hortsci

DOI: 10.17221/139/2019-HORTSCI

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