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Effect of treated and untreated domestic wastewater on seed germination, seedling growth and amylase and lipase activities in Avena sativa L

Authors

  • Imen Fendri,

    1. Unité de Recherche Toxicologie – Microbiologie Environnementale et Santé, Faculté des Sciences de Sfax, Université de Sfax, Sfax, Tunisia
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  • Rania Ben Saad,

    1. Centre de Biotechnologie de Sfax, Université de Sfax, Sfax, Tunisia
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  • Bassem Khemakhem,

    1. Laboratoire de Biotechnologie des Plantes, Faculté des Sciences de Sfax, Université de Sfax, Sfax, Tunisia
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  • Nihed Ben Halima,

    1. Département de Génie Biologique, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisia
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  • Radhouane Gdoura,

    1. Unité de Recherche Toxicologie – Microbiologie Environnementale et Santé, Faculté des Sciences de Sfax, Université de Sfax, Sfax, Tunisia
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  • Slim Abdelkafi

    Corresponding author
    1. Département de Génie Biologique, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisia
    • Unité de Recherche Toxicologie – Microbiologie Environnementale et Santé, Faculté des Sciences de Sfax, Université de Sfax, Sfax, Tunisia
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Correspondence to: Slim Abdelkafi, Département de Génie Biologique, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, BP 1171, 3000, Sfax, Tunisia. E-mail: slim.abdelkafi@enis.rnu.tn

Abstract

Background

Oats (Avena sativa L.) are a potential economically viable source of lipids and starch for use in foods. The aim of this study was to determine the effect of treated and untreated urban wastewater on seed germination, growth parameters and lipase and amylase activities in A. sativa.

Results

Untreated wastewater was highly toxic in nature and had an inhibitory effect on seed germination and seedling growth. However, after bacterial treatment, its toxicity was significantly reduced and it showed improved seed germination. It was observed that treated wastewater had no inhibitory effect on seedling growth parameters. However, A. sativa seeds treated with untreated effluent showed reduced lipase and amylase activities.

Conclusion

Treated wastewater could be used for irrigation purposes provided that it satisfies other conditions fixed by legislation. © 2012 Society of Chemical Industry

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