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Article

Foliar Aspersion of Salicylic Acid Improves Phenolic and Flavonoid Compounds, and Also the Fruit Yield in Cucumber (Cucumis sativus L.)

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Torreón Technological Institute (National Technologic of México—ITT), Torreón, Coahuila 27170, Mexico
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Technical State University of Quevedo, Av. Quito km 1.5 vía a Santo Domingo de los Tsáchila, Quevedo, Los Ríos, Ecuador 120501, Ecuador
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Postgraduate Program, Torreón Technological Institute (TNM—ITT), Torreón, Coahuila 27170, Mexico
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Facultad de Contaduría y Administración, Universidad Autónoma de Coahuila, Fco. Javier Mina 150, Luis Echeverría Álvarez Sector Norte, Torreón, Coahuila 27085, Mexico
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Center for Biological Research of Northwest México (CIBNOR S.C.), La Paz 23096, B.C.S. Mexico
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Author to whom correspondence should be addressed.
Plants 2019, 8(2), 44; https://doi.org/10.3390/plants8020044
Received: 24 January 2019 / Revised: 12 February 2019 / Accepted: 13 February 2019 / Published: 16 February 2019
The aim of this research is to evaluate the effect of foliar application of salicylic acid (SA) on the yield and phytochemical content in hydroponically grown cucumber (Cucumis sativus L.). (1) Background: The importance of Mexico’s cucumber production is based on its cultivation in recent decades as one of the major winter crops; in addition, the production of vegetables under hydroponic systems has increased significantly during the last few years, with cucumber being one of the vegetables with a high economic potential. (2) Methods: A completely randomized experimental design with 15 repetitions was used. SA at five doses (0.075, 0.1, 0.15, 0.25, and 0.5 mM) and one control (distilled water) was sprinkled weekly on cucumber plants. The evaluated variables were yield (total fruit weight per plant), fruit parameters (length, size and firmness), and nutraceutical quality of cucumber. (3) Results: Low concentrations of SA improve the yield and high concentrations decrease it, but the nutraceutical quality of fruits is improved, as compared to the control treatment. (4) Conclusions: In order to obtain a higher content of bioactive compounds without affecting the yield and commercial quality of cucumber fruits, it is advisable to use the average concentration (0.15 mM) of SA. View Full-Text
Keywords: elicitor; nutraceutical quality; flavonoid; Cucumis sativus L.; salicylic acid elicitor; nutraceutical quality; flavonoid; Cucumis sativus L.; salicylic acid
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MDPI and ACS Style

Preciado-Rangel, P.; Reyes-Pérez, J.J.; Ramírez-Rodríguez, S.C.; Salas-Pérez, L.; Fortis-Hernández, M.; Murillo-Amador, B.; Troyo-Diéguez, E. Foliar Aspersion of Salicylic Acid Improves Phenolic and Flavonoid Compounds, and Also the Fruit Yield in Cucumber (Cucumis sativus L.). Plants 2019, 8, 44. https://doi.org/10.3390/plants8020044

AMA Style

Preciado-Rangel P, Reyes-Pérez JJ, Ramírez-Rodríguez SC, Salas-Pérez L, Fortis-Hernández M, Murillo-Amador B, Troyo-Diéguez E. Foliar Aspersion of Salicylic Acid Improves Phenolic and Flavonoid Compounds, and Also the Fruit Yield in Cucumber (Cucumis sativus L.). Plants. 2019; 8(2):44. https://doi.org/10.3390/plants8020044

Chicago/Turabian Style

Preciado-Rangel, Pablo, Juan J. Reyes-Pérez, Silvia C. Ramírez-Rodríguez, Lilia Salas-Pérez, Manuel Fortis-Hernández, Bernardo Murillo-Amador, and Enrique Troyo-Diéguez. 2019. "Foliar Aspersion of Salicylic Acid Improves Phenolic and Flavonoid Compounds, and Also the Fruit Yield in Cucumber (Cucumis sativus L.)" Plants 8, no. 2: 44. https://doi.org/10.3390/plants8020044

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