Research Article

Detoxification Assays of Tunisian Tannery Wastewater under Nonsterile Conditions Using the Filamentous Fungus Aspergillus niger

Figure 2

Phytotoxicity test: germination index (%) of L. esculentum grown on raw effluents (a) and on treated effluents at initial pH (b) and at pH=6 (c). Values given represent the mean of three replicates. The asterisk indicates p value Blank versus p value UE or FE (p < 0.0001). The sharp indicates p value UE versus p value FE (####p < 0.0001).

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