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Worldwide, wheat is a staple food of man kind. To evaluate the phytotoxicity of different concentrations (0.0, 2.5, 5.0, 10 and 25 uM) of mercury (Hg) parameters like growth, biomass, total protein and chlorophyll content were determined. Hg induced oxidative damage was analysed by the measurement of electrolytic leakage, H2O2 and MDA content. Further, to investigate antioxidative defense mechanism induced by Hg, the level of non enzymatic antioxidants such as CAR, ASC and the activity of enzymatic antioxidants CAT, POX, APX, and SOD have been measured. Wheat plants exposed to lower...

Salicylic acid (SA), one of the plant phenolics is known to be involved in various physiological processes of plants such as flowering, seed germination, thermogenesis, stomatal regulation, fruit yield and disease resistance etc. The effects of exogenous SA (50, 500, and 1000 uM) on the thylakoid photo-function, status of various antioxidants, and phosphate uptake in wheat plants have been studied in the present work. Long-term treatment of SA (7 days) to wheat seedling affects its growth, leaf photochemical activities, including the phosphorylation efficiency, and thylakoid organisation. The...