EFFECT OF WATER DEFICIT STRESS ON GROWTH AND ANTIOXIDANT ENZYME ACTIVITY OF MENTHA PULEGIUM L. AT FLOWERING STAGE

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HASSANPOUR HALIMEH; NIKNAM VAHID

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Paper Information

Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2014 | Volume:3 | Issue:8 Page(s): 25-34

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Title

EFFECT OF WATER DEFICIT STRESS ON GROWTH AND ANTIOXIDANT ENZYME ACTIVITY OF MENTHA PULEGIUM L. AT FLOWERING STAGE

Author(s)

HASSANPOUR HALIMEH | NIKNAM VAHID | Issue Writer Certificate

Keywords

PENNYROYAL (MENTHA PULEGIUM L.)Q2

WATER DEFICITQ2

GROWTHQ2

PHOTOSYNTHESISQ1

ANTIOXIDANT ENZYMESQ1

Abstract

Water deficit is one of the most important environmental stresses limiting plant GROWTH and productivity around the world including Iran. Plants adapted to environmental stress with several strategies such as changes in antioxidant enzyme metabolism. Pennyroyal (Mentha pulegium L.) is an aromatic and medicinal plant of the Labiatae family that is widely used in traditional medicine. In this research, the effects of WATER DEFICIT stress on GROWTH, PHOTOSYNTHESIS and antioxidant enzyme activities in leaf and root organs of M. pulegium plants were studied. Complete randomized block design have been used with four replications. WATER DEFICIT was studied at four field capacity levels (100, 75, 50 and 25%). Results showed that the GROWTH, productivity and PHOTOSYNTHESIS parameters significantly decreased under WATER DEFICIT stress. WATER DEFICIT significantly increased the activity of antioxidant enzyme such as superoxide dismutase, peroxidase and ascorbate peroxidase in both organs, but the level of increase was more in roots than leaves of plant. Unlike to other enzymes, catalase activity decreased with the increase of WATER DEFICIT levels, and highest activity was observed in leaves. It seems that pennyroyal plants can tolerate WATER DEFICIT stress by dedicating less carbon source for GROWTH, increase of antioxidant enzyme activity and regulation of antioxidant enzyme distribution in different organs.

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APA: Copy

HASSANPOUR, HALIMEH, & NIKNAM, VAHID. (2014). EFFECT OF WATER DEFICIT STRESS ON GROWTH AND ANTIOXIDANT ENZYME ACTIVITY OF MENTHA PULEGIUM L. AT FLOWERING STAGE. JOURNAL OF PLANT PROCESS AND FUNCTION, 3(8), 25-34. SID. https://sid.ir/paper/234252/en

Vancouver: Copy

HASSANPOUR HALIMEH, NIKNAM VAHID. EFFECT OF WATER DEFICIT STRESS ON GROWTH AND ANTIOXIDANT ENZYME ACTIVITY OF MENTHA PULEGIUM L. AT FLOWERING STAGE. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2014;3(8):25-34. Available from: https://sid.ir/paper/234252/en

IEEE: Copy

HALIMEH HASSANPOUR, and VAHID NIKNAM, “EFFECT OF WATER DEFICIT STRESS ON GROWTH AND ANTIOXIDANT ENZYME ACTIVITY OF MENTHA PULEGIUM L. AT FLOWERING STAGE,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 3, no. 8, pp. 25–34, 2014, [Online]. Available: https://sid.ir/paper/234252/en

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