Fig. 3From: Eco-physiological response and genotoxicity induced by crude petroleum oil in the potential phytoremediator Vinca rosea LPhytomass allocation of Vinca rosea plants raised under different crude oil treatment levels of 0% (control), 1%, 3%, 5%, and 7% at the end of the 5-month experimental time. Different letters indicate significant differences between different treatments at p ≤ 0.05. Values are expressed as mean ± SE (n = 5)Back to article page