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Sustainable Irrigation Management of Ornamental Cordyline Fruticosa “Red Edge” Plants with Saline Water

Author

Listed:
  • Blanca M. Plaza

    (Research Center on Intensive Agricultural Systems and Food Technology (CIAIMBITAL), Agri-Food Campus of International Excellence CeiA3. Ctra, Department of Agronomy, University of Almería, Sacramento s/n, La Cañada de San Urbano, 04120 Almería, Spain)

  • Juan Reca

    (Research Center on Intensive Agricultural Systems and Food Technology (CIAIMBITAL), Agri-Food Campus of International Excellence CeiA3. Ctra, Department of Agronomy, University of Almería, Sacramento s/n, La Cañada de San Urbano, 04120 Almería, Spain)

  • Juan Martínez

    (Research Center on Intensive Agricultural Systems and Food Technology (CIAIMBITAL), Agri-Food Campus of International Excellence CeiA3. Ctra, Department of Agronomy, University of Almería, Sacramento s/n, La Cañada de San Urbano, 04120 Almería, Spain)

  • Francisco Alex

    (Research Center on Intensive Agricultural Systems and Food Technology (CIAIMBITAL), Agri-Food Campus of International Excellence CeiA3. Ctra, Department of Agronomy, University of Almería, Sacramento s/n, La Cañada de San Urbano, 04120 Almería, Spain)

  • Maria Teresa Lao

    (Research Center on Intensive Agricultural Systems and Food Technology (CIAIMBITAL), Agri-Food Campus of International Excellence CeiA3. Ctra, Department of Agronomy, University of Almería, Sacramento s/n, La Cañada de San Urbano, 04120 Almería, Spain)

Abstract

The aim of this work was to analyze the influence of the salinity of the nutrient solution on the transpiration and growth of Cordyline fruticosa var. “Red Edge” plants. A specific irrigation management model was calibrated with the experimental data. An experiment was performed with four treatments. These treatments consisted of the application of four nutrient solutions with different electrical conductivity ( EC w ) levels ranging from 1.5 dS m −1 (control treatment) to 4.5 dS m −1 . The results showed that day-time transpiration decreases when salt concentration in the nutrient solution increases. The transpiration of the plant in the control treatment was modelled by applying a combination method while the effect of the salinity of the nutrient solution was modelled by deriving a saline stress coefficient from the experimental data. The results showed that significant reductions in plant transpiration were observed for increasing values of EC w . The crop development and yield were also affected by the increasing salinity of the nutrient solution. A relationship between the EC w and the relative crop yield was derived.

Suggested Citation

  • Blanca M. Plaza & Juan Reca & Juan Martínez & Francisco Alex & Maria Teresa Lao, 2019. "Sustainable Irrigation Management of Ornamental Cordyline Fruticosa “Red Edge” Plants with Saline Water," Sustainability, MDPI, vol. 11(13), pages 1-16, July.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:13:p:3751-:d:246965
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    References listed on IDEAS

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    1. Correia, P.J. & Gama, F. & Pestana, M. & Martins-Loução, M.A., 2010. "Tolerance of young (Ceratonia siliqua L.) carob rootstock to NaCl," Agricultural Water Management, Elsevier, vol. 97(6), pages 910-916, June.
    2. José Sánchez & Juan Reca & Juan Martínez, 2015. "Water Productivity in a Mediterranean Semi-Arid Greenhouse District," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(14), pages 5395-5411, November.
    3. Catherine R. Simpson & Jose G. Franco & Stephen R. King & Astrid Volder, 2018. "Intercropping Halophytes to Mitigate Salinity Stress in Watermelon," Sustainability, MDPI, vol. 10(3), pages 1-17, March.
    4. Tan Zhang & Zhenzhong Zhang & Yuanhang Li & Kangning He, 2019. "The Effects of Saline Stress on the Growth of Two Shrub Species in the Qaidam Basin of Northwestern China," Sustainability, MDPI, vol. 11(3), pages 1-13, February.
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