Fig. 3From: Copper stress induces antioxidant responses and accumulation of sugars and phytochelatins in Antarctic Colobanthus quitensis (Kunth) Bartl.Activity of selected antioxidant enzymes. a SOD activity; b APX activity; c GR activity; d CAT activity and e POD activity. Bars represent mean of three independent measurements. Significant differences were determined using ANOVA (P < 0.05) with Tukey’s post-test, letters show significant differencesBack to article page