Effect of cadmium on antioxidative capability and phytohormone level in tobacco roots Responses of antioxidative capability in horsebean seedling to NO and H2O2 under Cd stress The effect of symbiotic rhizobium on the antioxidative and osmoregulatory capability in alfalfa under salt stress Antioxidation of Anthocyanins in Photosynthesis Under High Temperature Stress Redox Dynamics During Embryogenic Callus Induction of Phalaenopsis spp.