RESPONSE OF MEXICAN LIME (CITRUS AURANTIFOLIA SWINGLE) SEEDLINGS TO ASCORBIC ACID UNDER SALINE CONDITION

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SHAHIDI POORAKBARI H.; FOTOUHI GHAZVINI R.

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Journal: IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY Year:2010 | Volume:11 | Issue:2 Page(s): 163-174

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Title

RESPONSE OF MEXICAN LIME (CITRUS AURANTIFOLIA SWINGLE) SEEDLINGS TO ASCORBIC ACID UNDER SALINE CONDITION

Author(s)

SHAHIDI POORAKBARI H. | FOTOUHI GHAZVINI R. | Issue Writer Certificate

Keywords

ASCORBATE PEROXIDASEQ3

CITRUSQ2

LIPID PEROXIDATIONQ2

OXIDATIVE STRESSQ2

Abstract

Salinity increases OXIDATIVE STRESS which gradually accompanied by deleterious effects on proteins, lipids and nucleic acids. Effect of salinity on one year old Mexican lime seedlings was conducted in a completely randomized design in a factorial arrangement with two factors: NaCl in 4 levels (0, 30, 60, and 90 mM NaCl) and ascorbic acid in 4 levels (0, 0.5, 1.0 and 1.5 mM) with three replications. In this study, parameters including malondialdehyde content (indicator of LIPID PEROXIDATION), superoxide dismutase enzyme activity and ASCORBATE PEROXIDASE activity, protein, leaf water content, leaf electrolyte leakage, chlorophylla and chlorophyllb were evaluated on seedlings under saline condition. Ascorbic acid due to protection effect on the membrane structures reduced LIPID PEROXIDATION content and electrolyte leakage. Salinity accompanied with increase of superoxide dismutase enzyme activity and decrease of ASCORBATE PEROXIDASE activity in leaves. Increases in superoxide dismutase enzyme activity under salt stress enhanced decomposition of superoxide to hydrogen peroxide capacity. ASCORBATE PEROXIDASE enzyme responsible for prevention of hydrogen peroxide accummulation, by decomposing to water and oxygen that ASCORBATE PEROXIDASE activity increased with using ascorbic acid. Moreover, addition of ascorbic acid increased soluble proteins and leaf relative water content. Salt stress reduced chlorophylla more than chlorophyllb, however, ascorbic acid application increased chlorophylla more than chlorophyllb.

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APA: Copy

SHAHIDI POORAKBARI, H., & FOTOUHI GHAZVINI, R.. (2010). RESPONSE OF MEXICAN LIME (CITRUS AURANTIFOLIA SWINGLE) SEEDLINGS TO ASCORBIC ACID UNDER SALINE CONDITION. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, 11(2), 163-174. SID. https://sid.ir/paper/356609/en

Vancouver: Copy

SHAHIDI POORAKBARI H., FOTOUHI GHAZVINI R.. RESPONSE OF MEXICAN LIME (CITRUS AURANTIFOLIA SWINGLE) SEEDLINGS TO ASCORBIC ACID UNDER SALINE CONDITION. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY[Internet]. 2010;11(2):163-174. Available from: https://sid.ir/paper/356609/en

IEEE: Copy

H. SHAHIDI POORAKBARI, and R. FOTOUHI GHAZVINI, “RESPONSE OF MEXICAN LIME (CITRUS AURANTIFOLIA SWINGLE) SEEDLINGS TO ASCORBIC ACID UNDER SALINE CONDITION,” IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, vol. 11, no. 2, pp. 163–174, 2010, [Online]. Available: https://sid.ir/paper/356609/en

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