Asian Journal of Crop Science1994-78792077-2041Asian Network for Scientific Information10.3923/ajcs.2010.226.235JosephBaby JiniD. SujathaS. 4201024Salicylic Acid (SA) is an endogenous growth regulator of phenolic nature, which participates in the regulation of physiological processes in plants. It plays an important role in the plant response to adverse environmental conditions such as salinity. Meanwhile, soil salinity is a major constraint to food production because it limits crop yield and restricts use of land previously uncultivated. The SA plays an essential role in preventing oxidative damage in plants by detoxifying super oxide radicals, produced as a result of salinity. A review was highlighted the exogenous application of the lower concentrations of salicylic acid proved to be beneficial in enhancing the photosynthesis growth and various other physiological and biochemical characteristics of plants. 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