Effects of salicylic acid on antioxidant enzymes activities of safflower under drought stress

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Chavoushi Maryam; NAJAFI FARZANEH; SALIMI AZAM; ANGAJI SAYED ABDOLHAMID

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2019 | Volume:8 | Issue:33 Page(s): 263-275

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Title

Effects of salicylic acid on antioxidant enzymes activities of safflower under drought stress

Author(s)

Chavoushi Maryam | NAJAFI FARZANEH | SALIMI AZAM | ANGAJI SAYED ABDOLHAMID | Issue Writer Certificate

Keywords

AntioxidantQ1

Water stressQ2

Oxidative streesQ2

SafflowerQ2

Abstract

Drought is one of the abiotic stresses that limits plant growth and crop production. Salicylic acid is one of growth regulators which plays an important role in biotic and abiotic stresses. In this study, the effect of salicylic acid on reduction of drought stress in Safflower (Carthamus tinctorius L. ) was studied. Also, the effect of the concentrations of SA (0, 0. 25 mM) and Water stress (levels 100%, 75%, 50% and 25% FC) on Antioxidant enzymes activities and expression of the SOD gene were studied. When plants had three expanded leaves, they were sprayed with SA and after 2 days, and then they were exposed to drought. After seven days, plants again were sprayed by SA. After two weeks plants were harvested for studying of physiological and molecular parameters. The results showed that drought stress 25%FC increased leaves and roots Antioxidant enzyme activity, H2O2 and malondialdehyde contents, leaf Mn-SOD and leaf and root Fe-SOD. Interaction of SA and drought increased root Antioxidant enzyme activity and reduced leaf Antioxidant enzyme activity, root and leaf gene expression of Fe-SOD and Mn-SOD, leaf and root H2O2 and malondialdehyde contents. As a result, salicylic acid had a significant role in the reduction of damage of drought stress in Safflower plants.

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APA: Copy

Chavoushi, Maryam, NAJAFI, FARZANEH, SALIMI, AZAM, & ANGAJI, SAYED ABDOLHAMID. (2019). Effects of salicylic acid on antioxidant enzymes activities of safflower under drought stress. JOURNAL OF PLANT PROCESS AND FUNCTION, 8(33 ), 263-275. SID. https://sid.ir/paper/369260/en

Vancouver: Copy

Chavoushi Maryam, NAJAFI FARZANEH, SALIMI AZAM, ANGAJI SAYED ABDOLHAMID. Effects of salicylic acid on antioxidant enzymes activities of safflower under drought stress. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2019;8(33 ):263-275. Available from: https://sid.ir/paper/369260/en

IEEE: Copy

Maryam Chavoushi, FARZANEH NAJAFI, AZAM SALIMI, and SAYED ABDOLHAMID ANGAJI, “Effects of salicylic acid on antioxidant enzymes activities of safflower under drought stress,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 8, no. 33 , pp. 263–275, 2019, [Online]. Available: https://sid.ir/paper/369260/en

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