THE ROLE OF ANTIOXIDANT POOL SIZE AND PROLINE IN MEMBRANE PROTECTION UNDER DROUGHT

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ESFANDIARI E.; MAHBOOB S.A.; SHAKIBA M.R.; ALYARI H.

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Paper Information

Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2009 | Volume:19 | Issue:2 Page(s): 139-147

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Title

THE ROLE OF ANTIOXIDANT POOL SIZE AND PROLINE IN MEMBRANE PROTECTION UNDER DROUGHT

Author(s)

ESFANDIARI E. | MAHBOOB S.A. | SHAKIBA M.R. | ALYARI H. | Issue Writer Certificate

Keywords

ANTIOXIDANTQ1

ASCORBATEQ3

CELL MEMBRANEQ2

DROUGHT STRESS AND GLUTATHIONEQ3

Abstract

In order to study the effect of drought stress on wheat, three cultivars (Azar2, Alvand and Zarin) were selected and grown in a hydroponic medium. At the stage of 4-5 leaf growth, the plants were kept under 4, 8 and 12 bars potential by using polyethylene glycol 8000 (PEG8000). Hogland solution was used as the control. Then the amount of total ASCORBATE and glutathione, their reduced form, lipid peroxidation and proline accumulation were measured in leaf samples. The results showed that in Azar2, total amount of ASCORBATE was increased but total glutathione decreased at 12 bars in comparison with the control level. In Alvand and Zarin cultivars, with increasing osmotic stress, total amount of ASCORBATE and glutathione decreased and remained constant, respectively. But reduced form of both ANTIOXIDANTs decreased with increasing osmotic stress level in all cultivars. Moreover, with increasing of osmotic stress, proline accumulation in Azar2 was higher than other cultivars. These factors increased osmotic stress tolerance of Azar2 as compared with other cultivars. The results indicated the negative relationship of ASCORBATE and glutathione content and proline accumulation with lipid peroxidation.

Cites

DECLINE OF TOLERANCE IN LEAF PHOTOOXIDATIVE-STRESS WITH AGE IN SUNFLOWER

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APA: Copy

ESFANDIARI, E., MAHBOOB, S.A., SHAKIBA, M.R., & ALYARI, H.. (2009). THE ROLE OF ANTIOXIDANT POOL SIZE AND PROLINE IN MEMBRANE PROTECTION UNDER DROUGHT. JOURNAL OF AGRICULTURAL KNOWLEDGE, 19(2), 139-147. SID. https://sid.ir/paper/29076/en

Vancouver: Copy

ESFANDIARI E., MAHBOOB S.A., SHAKIBA M.R., ALYARI H.. THE ROLE OF ANTIOXIDANT POOL SIZE AND PROLINE IN MEMBRANE PROTECTION UNDER DROUGHT. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2009;19(2):139-147. Available from: https://sid.ir/paper/29076/en

IEEE: Copy

E. ESFANDIARI, S.A. MAHBOOB, M.R. SHAKIBA, and H. ALYARI, “THE ROLE OF ANTIOXIDANT POOL SIZE AND PROLINE IN MEMBRANE PROTECTION UNDER DROUGHT,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 19, no. 2, pp. 139–147, 2009, [Online]. Available: https://sid.ir/paper/29076/en

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