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Horticulturae
Volume 8
Issue 2
10.3390/horticulturae8020127
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Article

Effect of Saline-Nutrient Solution on Yield, Quality, and Shelf-Life of Sea Fennel (Crithmum maritimum L.) Plants

by
Fabio Amoruso
1,2,
Angelo Signore
2,
Perla A. Gómez
3,
María del Carmen Martínez-Ballesta
1,3,
Almudena Giménez
1,
José A. Franco
1,3,
Juan A. Fernández
1,3 and
Catalina Egea-Gilabert
1,3,*
1
Department of Agronomical Engineering, Universidad Politécnica de Cartagena, 30203 Cartagena, Murcia, Spain
2
Department of Agricultural and Environmental Science, University of Bari Aldo Moro, 70126 Bari, Italy
3
Institute of Plant Biotechnology, Universidad Politécnica de Cartagena, 30202 Cartagena, Murcia, Spain
*
Author to whom correspondence should be addressed.
Horticulturae 2022, 8(2), 127; https://doi.org/10.3390/horticulturae8020127
Submission received: 30 December 2021 / Revised: 21 January 2022 / Accepted: 27 January 2022 / Published: 30 January 2022
(This article belongs to the Special Issue Neglected and Underutilized Plant Species in Horticultural and Ornamental Systems: Perspectives for Biodiversity, Nutraceuticals and Agricultural Sustainability)
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Abstract

In this study, the effect of salinity (150 mM NaCl) compared to a control (9 mM NaCl) on growth, quality and shelf-life of fresh-cut sea fennel was evaluated. For that, sea fennel plants were cultivated in a hydroponic floating system and the sea fennel leaves were stored for 12 days at 5 °C. At harvest, leaves from plants grown in salinity had a lower content of NO3−, K+ and Ca2+ and an increased Cl− and Na+ concentration when compared to the control. There was a positive effect in the aerial part with increased fresh weight due to salt stress, but a reduction in the root biomass. During storage, weight loss and colour changes were not significant while leaves’ firmness was higher for control and increased during storage, probably due to lignification. Microbial growth (psychrophiles, yeast and moulds and enterobacteria) was higher at harvest for control and increased during storage, with no differences between treatments after 12 days at 5 °C. Sensory quality was similar for both treatments but leaves from NaCl treatment had a salty taste that was easily detected by panelists. These results show that saline-nutrient solution applied in hydroponics is a suitable system for sea fennel growth. It gives a slightly salty but high-quality product, acceptable as a “ready-to-eat” vegetable.
Keywords: salinity; microbial growth; sensory quality; floating system; ready-to-eat salinity; microbial growth; sensory quality; floating system; ready-to-eat

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MDPI and ACS Style

Amoruso, F.; Signore, A.; Gómez, P.A.; Martínez-Ballesta, M.d.C.; Giménez, A.; Franco, J.A.; Fernández, J.A.; Egea-Gilabert, C. Effect of Saline-Nutrient Solution on Yield, Quality, and Shelf-Life of Sea Fennel (Crithmum maritimum L.) Plants. Horticulturae 2022, 8, 127. https://doi.org/10.3390/horticulturae8020127

AMA Style

Amoruso F, Signore A, Gómez PA, Martínez-Ballesta MdC, Giménez A, Franco JA, Fernández JA, Egea-Gilabert C. Effect of Saline-Nutrient Solution on Yield, Quality, and Shelf-Life of Sea Fennel (Crithmum maritimum L.) Plants. Horticulturae. 2022; 8(2):127. https://doi.org/10.3390/horticulturae8020127

Chicago/Turabian Style

Amoruso, Fabio, Angelo Signore, Perla A. Gómez, María del Carmen Martínez-Ballesta, Almudena Giménez, José A. Franco, Juan A. Fernández, and Catalina Egea-Gilabert. 2022. "Effect of Saline-Nutrient Solution on Yield, Quality, and Shelf-Life of Sea Fennel (Crithmum maritimum L.) Plants" Horticulturae 8, no. 2: 127. https://doi.org/10.3390/horticulturae8020127

APA Style

Amoruso, F., Signore, A., Gómez, P. A., Martínez-Ballesta, M. d. C., Giménez, A., Franco, J. A., Fernández, J. A., & Egea-Gilabert, C. (2022). Effect of Saline-Nutrient Solution on Yield, Quality, and Shelf-Life of Sea Fennel (Crithmum maritimum L.) Plants. Horticulturae, 8(2), 127. https://doi.org/10.3390/horticulturae8020127

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