Azin, Zohreh, Emamjomeh, Abbasali, Esmaeilzadeh Bahabadi, Sedigheh, Hasanein, Parisa. Effect of exogenous chitosan, salicylic acid and their combination on some physiological parameters of Citrullus colocynthis (L.) under drought stress. Iranian Journal of Plant Physiology. 2021;11(5):3885-3897. 10.30495/ijpp.2021.687854