Seawater irrigation: Effects on growth and nutrient uptake of sunflower plants

  • Riccardo Izzo
  • Annalisa Incerti
  • Claudio Bertolla


The aim of the present research was the evaluation of the effects of irrigation with diluted seawater on main morphological characteristics of sunflower plants (cv. Katharina, Piacenza ecotype). Plants, irrigated with fresh water or with 20% or 30% seawater during the whole biological cycle, were harvested at four growth stages. At each stage, the main growth parameters were measured and the principal nutrients were quantified. In particular, Cl- and Na+ increased significantly, especially in the plants irrigated with 30% seawater. Both seawater concentrations reduced N content but did not affect P content. K+ and Ca2+ decreased during the growth.


Salt Stress Lipoic Acid Helianthus Annuus Sunflower Plant Seawater Concentration 
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Copyright information

© Birkhäuser Verlag/Switzerland 2008

Authors and Affiliations

  • Riccardo Izzo
    • 1
  • Annalisa Incerti
    • 2
  • Claudio Bertolla
    • 1
  1. 1.Dipartimento di Chimica e Biotecnologie AgrarieUniversità di PisaPisaItaly
  2. 2.Dipartimento di Scienze Agronomiche, Agrochimiche e delle Produzioni AnimaliUniversità degli Studi di CataniaCataniaItaly

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