THE EFFECTS OF SALICYLIC ACID AND ASCORBIC ACID ON PHOTOSYNTHETIC PIGMENTS AND SOME ANTIOXIDANT ENZYME ACTIVITIES IN BASIL (OCIMUMBASILICUM L.) UNDER LEAD STRESS

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GHEYSARI S.; SAEID NEMATPOUR F.; SAFIPOURAFSHAR A.

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Journal: Journal of Plant Research Year:2015 | Volume:28 | Issue:4 Page(s): 814-825

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Title

THE EFFECTS OF SALICYLIC ACID AND ASCORBIC ACID ON PHOTOSYNTHETIC PIGMENTS AND SOME ANTIOXIDANT ENZYME ACTIVITIES IN BASIL (OCIMUMBASILICUM L.) UNDER LEAD STRESS

Author(s)

GHEYSARI S. | SAEID NEMATPOUR F. | SAFIPOURAFSHAR A. | Issue Writer Certificate

Keywords

ANTIOXIDANT ENZYMESQ2

ASCORBIC ACIDQ1

LEADQ2

OCIMUMBASILICUM L.Q2

SALICYLIC ACIDQ1

Abstract

Heavy metals pollution is a major problem for the large parts of the world. LEAD is a heavy metal with high toxicity that absorbed by plants mainly through the root system and in minor amounts through the leaves. After entering the cells, LEAD inhibits activities of many enzymes, and affects membrane structure and permeability. The objective of this research was to evaluate the effect of different concentrations of SALICYLIC ACID (SA) and ASCORBIC ACID (AsA) on the content of photosynthetic pigments and antioxidant enzyme activities ofOcimumbasilicum L. under Pb stress. Factorial experimentin a completely randomized design with three replications was conducted. Treatments were combination of 3 levelsapplication of Pb (0, 350 & 700 mg.l-1) and 2 concentrations of SA (0, 0.1 mM) and AsA (0, 100 & 200 ppm). The results revealed that increasing LEAD concentration reduced chlorophyll and carotenoid content and increased activity of ANTIOXIDANT ENZYMES (SOD, CAT). On the other hand, application SA and AsA alone and/ortogether, significantly increased chlorophyll content and reduced activity of ANTIOXIDANT ENZYMES. Generally, the results of this study indicate that SA and AsA applications improved plant physiological parameters of OCIMUMBASILICUM L.

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APA: Copy

GHEYSARI, S., SAEID NEMATPOUR, F., & SAFIPOURAFSHAR, A.. (2015). THE EFFECTS OF SALICYLIC ACID AND ASCORBIC ACID ON PHOTOSYNTHETIC PIGMENTS AND SOME ANTIOXIDANT ENZYME ACTIVITIES IN BASIL (OCIMUMBASILICUM L.) UNDER LEAD STRESS. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 28(4), 814-825. SID. https://sid.ir/paper/248906/en

Vancouver: Copy

GHEYSARI S., SAEID NEMATPOUR F., SAFIPOURAFSHAR A.. THE EFFECTS OF SALICYLIC ACID AND ASCORBIC ACID ON PHOTOSYNTHETIC PIGMENTS AND SOME ANTIOXIDANT ENZYME ACTIVITIES IN BASIL (OCIMUMBASILICUM L.) UNDER LEAD STRESS. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2015;28(4):814-825. Available from: https://sid.ir/paper/248906/en

IEEE: Copy

S. GHEYSARI, F. SAEID NEMATPOUR, and A. SAFIPOURAFSHAR, “THE EFFECTS OF SALICYLIC ACID AND ASCORBIC ACID ON PHOTOSYNTHETIC PIGMENTS AND SOME ANTIOXIDANT ENZYME ACTIVITIES IN BASIL (OCIMUMBASILICUM L.) UNDER LEAD STRESS,” JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 28, no. 4, pp. 814–825, 2015, [Online]. Available: https://sid.ir/paper/248906/en

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