Influence of foliar application of salicylic acid (SA), ascorbic acid (AsA), proline (Pro) and their admixture on total soluble protein contents (mg/g FW), total free amino acid contents (mg/g FW), catalase (CAT) (Umg-1 protein/min) and peroxidase (POD) (Umg-1 protein/min) contents of sunflower grown under control and saline conditions. Different letters differ significantly (95% probability level) according to Duncan’s Multiple range test (SPSS 20).