Fig. 5From: Assessment of genotoxic effects of wastewater of Kitchener pool, Nile Delta Region, North Egypt, using Allium testExpression of α-EST and β-EST zymogrames in roots of Allium cepa treated with (1) tap water as control, (2) 25%, (3) 50% and (4) 100% of mixed wastewater at 12th day after germinationBack to article page