EFFECTS OF WATER DEFICIT STRESS ON MORPHOLOGICAL CHARACTERISTICS, CHLOROPHYLL AND PROLINE CONTENTS AND ANTIOXIDANT ACTIVITY OF GARDEN THYME (THYMUS VULGARISL.)

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ASHIRI F.; KHOSHKHUI M.; SAHARKHIZ M.J.; FIRUZI O.R.; JAVIDNIA K.

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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

EFFECTS OF WATER DEFICIT STRESS ON MORPHOLOGICAL CHARACTERISTICS, CHLOROPHYLL AND PROLINE CONTENTS AND ANTIOXIDANT ACTIVITY OF GARDEN THYME (THYMUS VULGARISL.)

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Keywords

ANTIOXIDANTQ2

CHLOROPHYLLQ2

GARDEN THYMEQ3

MORPHOLOGICQ2

PROLINEQ1

WATER DEFICIT STRESSQ3

Abstract

Present study was carried out to investigate MORPHOLOGICal and physiological characters of Thymus vulgaris L. under water deficit conditions under greenhouse conditions. Five irrigation intervals (2, 4, 6, 8 and 10 days until to reach the field capacity) for about 6 months were applied. The experiment was conducted as a completely randomized design in factorial arrangements. Each treatment had eight replications (pots). Data were analyzed with SPSS 12.0 software and the mean values were compared using Tuckey's test at 5% level. WATER DEFICIT STRESS decreased shoot length, shoot and root fresh and dry weights, a, b and total CHLOROPHYLL contents. In this experiment, root length, root to shoot length ratio and PROLINE content according to increase WATER DEFICIT STRESS, were significantly increased, except in 8-day interval. Results showed that although in some of species WATER DEFICIT STRESS might cause increasing in ANTIOXIDANT contents, ANTIOXIDANT activity of thyme decreased under long-term drought conditions. A higher value of IC50 shows a lower ANTIOXIDANT activity, which indicates that sever water stress (8 day) significantly decreases the ANTIOXIDANT activity of thyme. The FRAP values showed a trend to reduction by increasing the irrigation intervals but this trend was not significant. In present study, in all results except root to shoot ratio, 2 days interval was the best treatment.

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APA: Copy

ASHIRI, F., KHOSHKHUI, M., SAHARKHIZ, M.J., FIRUZI, O.R., & JAVIDNIA, K.. (2010). EFFECTS OF WATER DEFICIT STRESS ON MORPHOLOGICAL CHARACTERISTICS, CHLOROPHYLL AND PROLINE CONTENTS AND ANTIOXIDANT ACTIVITY OF GARDEN THYME (THYMUS VULGARISL.). IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, 11(2), 163-174. SID. https://sid.ir/paper/356745/en

Vancouver: Copy

ASHIRI F., KHOSHKHUI M., SAHARKHIZ M.J., FIRUZI O.R., JAVIDNIA K.. EFFECTS OF WATER DEFICIT STRESS ON MORPHOLOGICAL CHARACTERISTICS, CHLOROPHYLL AND PROLINE CONTENTS AND ANTIOXIDANT ACTIVITY OF GARDEN THYME (THYMUS VULGARISL.). IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY[Internet]. 2010;11(2):163-174. Available from: https://sid.ir/paper/356745/en

IEEE: Copy

F. ASHIRI, M. KHOSHKHUI, M.J. SAHARKHIZ, O.R. FIRUZI, and K. JAVIDNIA, “EFFECTS OF WATER DEFICIT STRESS ON MORPHOLOGICAL CHARACTERISTICS, CHLOROPHYLL AND PROLINE CONTENTS AND ANTIOXIDANT ACTIVITY OF GARDEN THYME (THYMUS VULGARISL.),” IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, vol. 11, no. 2, pp. 163–174, 2010, [Online]. Available: https://sid.ir/paper/356745/en

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