1. Abdoli, M., M. Saeidi, S. Jalali, Honarmand, S. Mansourifar and M.E. Ghobadi. 2013. Evaluation of some physiological and biochemical traits and their relationships with yield and its components in some improved wheat cultivars under post-anthesis water deficit. Journal of environmental stresses in crop sciences, 6(1): 47-63 (In Persian).
2. Abduljaleel, C., P. Manivannan, A. Wahid and R. Panneerselvam. 2009. Drought stress in plants: a review on morphological characteristics and pigments composition. International Journal of Agricultural and Biological, (11): 100-105.
3. Agrawala, S., M. Barlow, H. Cullen and B. Lyon. 2001. The drought and humanitarian crisis in central and southwest Asia. A climate perspective. IRI Special Report, 24: 1-11.
4. Alipour Karimabad, M., Gh. Ranjbar, S. Khavari Khorasani and N. Babaeian Jelodar. 2014. Evaluation of drought tolerance in maize hybrids (Zea mays L.). Journal of Crop Breeding, 6(14): 41- 53 (In Persian).
5. Anonymous. 2016. Iran Agriculture Stats. Iran ministry of agriculture, 46 pp. (In Persian).