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Physiological and Nutritional Responses to Ozone Application in Tomato Seedling Plants

Author

Listed:
  • Alba Ruiz-Espin

    (Department of Agronomy, University of Almeria, 04120 Almeria, Spain)

  • Pedro Garcia-Caparros

    (Department of Agronomy, University of Almeria, 04120 Almeria, Spain)

  • Alfonso Llanderal

    (Faculty of Technical Education for Development, Catholic University of Santiago of Guayaquil, Av. C. J. Arosemena Km. 1.5, Guayaquil 09014671, Ecuador)

  • Julian Colunje

    (Department of Agronomy, University of Almeria, 04120 Almeria, Spain)

  • Jorge Francisco Moreira

    (Department of Agronomy, University of Almeria, 04120 Almeria, Spain)

  • Maria Teresa Lao

    (Department of Agronomy, University of Almeria, 04120 Almeria, Spain)

Abstract

Research on environmentally friendly techniques for the agroindustry is growing constantly. In this sense, the supply of ozone (O 3 ) has been taken into consideration, especially for disinfection because of its high oxidizing power. However, there is not enough information about the application of dissolved O 3 via fertigation in crops. For that reason, in this study, two trials were carried out simultaneously to determine the consequences of O 3 application on plant growth and quality of tomato plants. The first trial aimed to assess the effects on tomato fertigated with the nutrient solution and the application of O 3 . The second trial was performed to establish the ideal O 3 supply rate for tomato plants. In both experiments, we measured the biometric, physiological, and nutritional parameters of the tomato plant. The results obtained showed that the application of O 3 treatment resulted in the highest overall dry weight gain, whereas O 3 application decreased leaf proline and total soluble sugars concentrations. There was no clear effect on chlorophyll and total soluble sugars in tomato plants under O 3 application. Regarding nutritional parameters, the application of O 3 led to a higher content of P and K in tomato plants. These findings indicate that the use of dissolved O 3 via fertigation may present several advantages for tomato plants’ growth and quality.

Suggested Citation

  • Alba Ruiz-Espin & Pedro Garcia-Caparros & Alfonso Llanderal & Julian Colunje & Jorge Francisco Moreira & Maria Teresa Lao, 2022. "Physiological and Nutritional Responses to Ozone Application in Tomato Seedling Plants," Agriculture, MDPI, vol. 13(1), pages 1-17, December.
    • Handle: RePEc:gam:jagris:v:13:y:2022:i:1:p:60-:d:1014547
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    References listed on IDEAS

    as
    1. Marco Remondino & Luigi Valdenassi, 2018. "Different Uses of Ozone: Environmental and Corporate Sustainability. Literature Review and Case Study," Sustainability, MDPI, vol. 10(12), pages 1-18, December.
    2. Martínez-Sánchez, Ascensión & Aguayo, Encarna, 2019. "Effect of irrigation with ozonated water on the quality of capsicum seedlings grown in the nursery," Agricultural Water Management, Elsevier, vol. 221(C), pages 547-555.
    Full references (including those not matched with items on IDEAS)

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