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EFFECT OF SALICYLIC ACID ON THE ACTIVITY OF ENZYMATIC ANTIOXIDANTS AND PROLINE IN VEGETATIVE GROWTH OF MAIZE PLANT UNDER NaCl STRESS . | ||
| Diyala Agricultural Sciences Journal | ||
| Article 1, Volume 7, Issue 2, 2015, Pages 143-152 | ||
| Authors | ||
| Ismail Khalil Ibrahim al-Samarrai; Zakaria Hassan Hamid al-Obeidi | ||
| Abstract | ||
| To study the effect of different levels of salicylic acid on the activity of enzymatic antioxidants and proline in the vegetative growth of maize plant under NaCl stress . A pot experiment was carried out in the greenhouse of the Department of Soil Sciences and Water Resources in the College of Agriculture, University of Baghdad in a silt clay loam soil classified as Typic Torrifluvent . A factorial experiment based on a Randomized Complete Block Design ( RCBD) with three replicates was used . Treatments consisted of three salinity levels (0.5, 5.0, 9.5 dS m-1) and five salicylic acid concentrations ( 0,250,500,1000,1500) µM SA . Results showed significant increase in SOD , POD,CAT activity and proline concentration with the increasing of salinity levels . Foliar applications of salicylic acid significantly reduced the activity of antioxidant enzymes ( SOD, POD,CAT) and proline concentration in Maize plants leaves | ||
| Keywords | ||
| Salt stress; Salicylic acid; Zea mays L; SOD; POD; CAT; proline | ||
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