Open Access Research Paper Views (948) Physiological impact of sodium azide on Helianthus annus seedlings S. Elfeky, S. Abo-Hamad, K. M. Saad-Allah Int. J. Agron. & Agric. Res. 4(5), 102-109, May 2014. Keywords: Anti-oxidant Enzymes, Carotenoides, Electrophoresis, Lipid peroxidation, Sodium Azide Details