“…Plant root cells differ in their capacity for nutrient absorption, storage, translocation and assimilation (Lazof et al, 1992;Cruz et al, 1995). Cell expansion and differentiation in higher plant tissues is accompanied by a quantitative rearrangement of protein that may be associated with changes in functional activities (Zeleneva et al, 1982). Antioxidant enzymes play important roles in adaptation to stress conditions.…”