Some physiological responses of two wheat cultivars to foliar application of salicylic acid under drought stress

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DARABI F.; NASERI R.; MIRZAEI A.; MORADI M.

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Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2019 | Volume:11 | Issue:38 Page(s): 61-76

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Title

Some physiological responses of two wheat cultivars to foliar application of salicylic acid under drought stress

Author(s)

DARABI F. | NASERI R. | MIRZAEI A. | MORADI M. | Issue Writer Certificate

Keywords

Drought stressQ2

electrolyte leakageQ2

photosynthesisQ1

relative water contentQ1

Abstract

To investigate some physiological responses of two wheat cultivar under variable moisture conditions to salicylic acid, a split split-plot experiment was conducted in a randomized complete block design with four replications at Agricultural Research Center of Sarableh, Ilam during 2014-2015 cropping season. Experimental factors included moisture treatments in three levels (control (100), 70 and 40 % Field capacity) In the main-plots, salicylic acid in three levels (0, 50 and 100 μ m) in the sub-plot and two wheat cultivar (Bahar and Pishtaz) in sub sub-plot. Studied traits in this study included yield, relative water content, stomatal conductance, rubisco activity, photosynthetic rate, Transpiration rate, electrolyte leakage and Sub stomatal CO2 concentration. The results showed that Triple interaction between Drought stress, salicylic acid and Cultivars on all traits was significant. Although By increasing Drought stress yield (33%) and relative water content (24%) decreased, while the use of salicylic acid in this situation improve these traits. Also by increasing Drought stress electrolyte leakage decreased, but the use of salicylic acid improved that, 13% and 24. 5% respectively. Photosynthetic rate (12%) and Rubisco activity (13%) by increasing salicylic acid Decreased In comparison with control. In general, based on the role of salicylic acid in reducing the negative impact of Drought stress on physiological processes that studied in this research, application of that in 70% soil capacity with 100 μ m salicylic acid for Pishtaz cultivar can be suggested.

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APA: Copy

DARABI, F., NASERI, R., MIRZAEI, A., & MORADI, M.. (2019). Some physiological responses of two wheat cultivars to foliar application of salicylic acid under drought stress. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 11(38 ), 61-76. SID. https://sid.ir/paper/188471/en

Vancouver: Copy

DARABI F., NASERI R., MIRZAEI A., MORADI M.. Some physiological responses of two wheat cultivars to foliar application of salicylic acid under drought stress. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2019;11(38 ):61-76. Available from: https://sid.ir/paper/188471/en

IEEE: Copy

F. DARABI, R. NASERI, A. MIRZAEI, and M. MORADI, “Some physiological responses of two wheat cultivars to foliar application of salicylic acid under drought stress,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 11, no. 38 , pp. 61–76, 2019, [Online]. Available: https://sid.ir/paper/188471/en

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