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Cultivating the Mediterranean Wild Edible Species Cichorium spinosum L. in Aquaponics: Functional and Growth Responses to Minimal Nutrient Supplementation

Author

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  • Evangelia Tsoumalakou

    (Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, GR-38446 Volos, Greece)

  • Eleni Mente

    (Department of Veterinary Medicine, Aristotle University of Thessaloniki, GR-54006 Thessaloniki, Greece)

  • Nikolaos Vlahos

    (Department of Animal Production, Fisheries and Aquaculture, School of Agricultural Sciences, University of Patras, GR-30200 Patras, Greece)

  • Efi Levizou

    (Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, GR-38446 Volos, Greece)

Abstract

Aquaponics is a plant and fish co-cultivation system with high sustainability, yet sub-optimal concentrations of Fe and K often compromise crop yields. We cultivated the Mediterranean wild edible Cichorium spinosum L. (Greek name: stamnagathi) in an aquaponics setup following a minimal supplementation approach that focused on Fe and K. Stamnagathi and tilapia fish were co-cultivated under (i) solely Fe, (ii) Fe+K input and (iii) no-input Control treatments. We aimed to evaluate the feasibility of aquaponics for stamnagathi cultivation, identify the system’s bottlenecks, and propose optimization measures. Several plant’s growth and functional parameters were monitored throughout the 35-day experimental period, notably instantaneous gas exchange and photosynthetic capacity via light response curves, state and efficiency of the photosynthetic machinery, pigment content, and yield and morphometric assessments. Fish growth characteristics and survival rates remained unaffected. Fe deficiency was crucial in shaping the responses of Control stamnagathi, which showed inferior performance in terms of photochemistry, chlorophylls content, light use efficiency and, subsequently, photosynthetic activity. Fe and Fe+K-treated plants exhibited similarly high performance in all studied parameters and achieved 4.5- and 4-fold increased yields, respectively, compared to Control. The results demonstrate that aquaponics is an advantageous cropping system for stamnagathi and solely Fe supplementation is adequate to promote excellent performance and yield of this oligotrophic species.

Suggested Citation

  • Evangelia Tsoumalakou & Eleni Mente & Nikolaos Vlahos & Efi Levizou, 2023. "Cultivating the Mediterranean Wild Edible Species Cichorium spinosum L. in Aquaponics: Functional and Growth Responses to Minimal Nutrient Supplementation," Sustainability, MDPI, vol. 15(6), pages 1-16, March.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:6:p:5572-:d:1104103
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    References listed on IDEAS

    as
    1. Nikolaos Vlahos & Efi Levizou & Paraskevi Stathopoulou & Panagiotis Berillis & Efthimia Antonopoulou & Vlasoula Bekiari & Nikos Krigas & Konstantinos Kormas & Eleni Mente, 2019. "An Experimental Brackish Aquaponic System Using Juvenile Gilthead Sea Bream (Sparus aurata) and Rock Samphire ( Crithmum maritimum )," Sustainability, MDPI, vol. 11(18), pages 1-20, September.
    2. Evangelia Tsoumalakou & Eleni Mente & Konstantinos A. Kormas & Nikolaos Katsoulas & Nikolaos Vlahos & Panagiotis Kapsis & Efi Levizou, 2022. "Precise Monitoring of Lettuce Functional Responses to Minimal Nutrient Supplementation Identifies Aquaponic System’s Nutrient Limitations and Their Time-Course," Agriculture, MDPI, vol. 12(8), pages 1-21, August.
    3. Konstantinos Paschalidis & Dimitrios Fanourakis & Georgios Tsaniklidis & Vasileios A. Tzanakakis & Fotis Bilias & Eftihia Samara & Konstantinos Kalogiannakis & Faten Jamel Debouba & Ioannis Ipsilantis, 2021. "Pilot Cultivation of the Vulnerable Cretan Endemic Verbascum arcturus L. (Scrophulariaceae): Effect of Fertilization on Growth and Quality Features," Sustainability, MDPI, vol. 13(24), pages 1-19, December.
    4. Nikos Krigas & Georgios Tsoktouridis & Ioannis Anestis & Abdelmajid Khabbach & Mohamed Libiad & Wided Megdiche-Ksouri & Zeineb Ghrabi-Gammar & Fatima Lamchouri & Ioannis Tsiripidis & Maria A. Tsiafoul, 2021. "Exploring the Potential of Neglected Local Endemic Plants of Three Mediterranean Regions in the Ornamental Sector: Value Chain Feasibility and Readiness Timescale for Their Sustainable Exploitation," Sustainability, MDPI, vol. 13(5), pages 1-29, February.
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