Volume 6, Number 19 (vol.6,no. 19, Year 2017 2017)                   jppf 2017, 6(19): 207-218 | Back to browse issues page

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Abedini M, Habibi Chaharborj G. Effect of salicylic acid on some physiological and biochemical characteristics of Vitis venifera L. var. Ghizil Uzum under saline and non-saline conditions. jppf. 2017; 6 (19) :207-218
URL: http://jispp.iut.ac.ir/article-1-496-en.html

Assistant Professor , ms_abedini@pnu.ac.ir
Abstract:   (340 Views)

Abstract In this study, the effect of leaf spray of two salicylic acid concentrations, 100 and 500 µM, was studied on the some physiological and biochemical properties of grape cv. Ghizil Uzum in saline (EC=10) and non-saline (EC=2) conditions. The experiment was conducted in a Completely Randomized Design with 4 replications under greenhouse condition. The results showed the significant decreases in fresh and dry weights, water content, photosynthetic pigments, photochemical efficiency of PSII and total protein, starch and K+ concentrations of leaves in saline condition. But, the concentration of free amino acids, soluble sugars and Na+ were increased. The salt affected the plant antioxidant system by induction of superoxide dismutase, peroxidase and catalase activities and increasing malondialdehyde and H2O2 contents of leaves. Salicylic acid application in both concentrations in non-saline condition and in 500 µM in saline condition has not notable effects on studied parameters. Application of 100 µM salicylic acid in saline condition could ameliorates the negative effects of salt stress in grape cv. Ghizil Uzum by increasing the osmolytes and carotenoids concentrations, photochemical efficiency of photosystem II, capacity of antioxidant system and specially decreasing the Na+ ions transfer to growing plant organs.

Full-Text [PDF 515 kb]   (121 Downloads)    
Type of Study: Research | Subject: Salt Stress
Received: 2015/11/13 | Accepted: 2016/04/20 | Published: 2017/03/12

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