COMPARISON OF THE EFFECTS OF DROUGHT STRESS ON PIGMENTS, PEROXIDASE, OSMOTIC ADJUSTMENT AND ANTIOXIDANT ENZYMES IN DIFFERENT ACCESSIONS OF ANTHEMIS TINCTORIA AND TRIPLEUROSPERMUM SERVANES OF NATURAL RESOURCES GENE BANK OF IRAN

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SALEHI SHANJANI P.; IZADPANAH M.; FALAH HOSEINI L.; RAMEZANI YEGANEH M.; RASOULZADEH L.; KAVANDI A.; SARDABI F.; PAHLEVANI M.R.; AMIRKHANI M.; SEYEDIAN S.E.

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Journal: Journal of Plant Research Year:2015 | Volume:28 | Issue:1 Page(s): 126-139

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Title

COMPARISON OF THE EFFECTS OF DROUGHT STRESS ON PIGMENTS, PEROXIDASE, OSMOTIC ADJUSTMENT AND ANTIOXIDANT ENZYMES IN DIFFERENT ACCESSIONS OF ANTHEMIS TINCTORIA AND TRIPLEUROSPERMUM SERVANES OF NATURAL RESOURCES GENE BANK OF IRAN

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Keywords

CHAMOMILEQ2

PROLINEQ2

CHLOROPHYLLQ2

DROUGHT STRESSQ2

IRANQ2

Abstract

Drought stress is one of the most important factors limiting the survival and growth of plants in the different habitats of IRAN. Detailed knowledge about the ecophysiological responses of native plants to DROUGHT STRESS could contribute to the success of re-vegetation programs. Different accessions of two perennial CHAMOMILEsAnthemis tinctoria and Tripleurospermum servanes were subjected to four drought treatments, i.e. well-watered (control), mild DROUGHT STRESS (75% of field capacity), moderate DROUGHT STRESS (55% of field capacity), and severe DROUGHT STRESS (35% of field capacity). Then osmotic solutes (proline and soluble sugars), Relative water content (RWC), antioxidant enzymes (peroxidase and polyphenoloxidase) and pigments were investigated. In both of the studied species, DROUGHT STRESS significantly increased accumulation of osmotic solutes, but decreased relative water content, total protein content and dry weight percentage. Also, the CHLOROPHYLL a and total CHLOROPHYLL contents did not change in the DROUGHT STRESSes, however the carotenoids content and the ratio of carotenoids to total CHLOROPHYLLs significantly increased. Although the peroxidase activity, as an antioxidant enzyme, in all three accessions of T. servanes increased under severe DROUGHT STRESS, but in two accessions (of three accessions) of A. tinctoria, it considerably decreased. These findings suggested that the A. tinctoriaand T. servanes showed a moderate tolerance to drought, although in both of the species, there were as well some accessions which had higher tolerance to severe DROUGHT STRESS than the other accessions because of their higher capacities of osmotic adjustment.

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APA: Copy

SALEHI SHANJANI, P., IZADPANAH, M., FALAH HOSEINI, L., RAMEZANI YEGANEH, M., RASOULZADEH, L., KAVANDI, A., SARDABI, F., PAHLEVANI, M.R., AMIRKHANI, M., & SEYEDIAN, S.E.. (2015). COMPARISON OF THE EFFECTS OF DROUGHT STRESS ON PIGMENTS, PEROXIDASE, OSMOTIC ADJUSTMENT AND ANTIOXIDANT ENZYMES IN DIFFERENT ACCESSIONS OF ANTHEMIS TINCTORIA AND TRIPLEUROSPERMUM SERVANES OF NATURAL RESOURCES GENE BANK OF IRAN. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 28(1), 126-139. SID. https://sid.ir/paper/248863/en

Vancouver: Copy

SALEHI SHANJANI P., IZADPANAH M., FALAH HOSEINI L., RAMEZANI YEGANEH M., RASOULZADEH L., KAVANDI A., SARDABI F., PAHLEVANI M.R., AMIRKHANI M., SEYEDIAN S.E.. COMPARISON OF THE EFFECTS OF DROUGHT STRESS ON PIGMENTS, PEROXIDASE, OSMOTIC ADJUSTMENT AND ANTIOXIDANT ENZYMES IN DIFFERENT ACCESSIONS OF ANTHEMIS TINCTORIA AND TRIPLEUROSPERMUM SERVANES OF NATURAL RESOURCES GENE BANK OF IRAN. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2015;28(1):126-139. Available from: https://sid.ir/paper/248863/en

IEEE: Copy

P. SALEHI SHANJANI, M. IZADPANAH, L. FALAH HOSEINI, M. RAMEZANI YEGANEH, L. RASOULZADEH, A. KAVANDI, F. SARDABI, M.R. PAHLEVANI, M. AMIRKHANI, and S.E. SEYEDIAN, “COMPARISON OF THE EFFECTS OF DROUGHT STRESS ON PIGMENTS, PEROXIDASE, OSMOTIC ADJUSTMENT AND ANTIOXIDANT ENZYMES IN DIFFERENT ACCESSIONS OF ANTHEMIS TINCTORIA AND TRIPLEUROSPERMUM SERVANES OF NATURAL RESOURCES GENE BANK OF IRAN,” JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 28, no. 1, pp. 126–139, 2015, [Online]. Available: https://sid.ir/paper/248863/en

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