Citation | Rashid, M., M.A. Sajid, N.N. Elahi, S. Noreen and K.H. Shah. 2021. Antioxidant defense system is a key mechanism for drought stress tolerance in wheat (Triticum aestivum L.). Sarhad Journal of Agriculture, 37(2): 348-358. DOI | http://dx.doi.org/10.17582/journal.sja/2021/37.2.348.358