CHANGES IN CHLOROPHYLL AND CAROTENOID PIGMENTS COMPOUNED , PHOTOSYNTHETIC ACTIVITIES, CHLOROPHYLL PLUORSENCE IN LEAVES EXPOSED TO HIGH LIGHT AND WATER STRESS IN WHEAT (TRITICUM AESTIVUM)

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RAHDARI P.

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2011 | Volume:1 | Issue:3 Page(s): 47-54

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Title

CHANGES IN CHLOROPHYLL AND CAROTENOID PIGMENTS COMPOUNED , PHOTOSYNTHETIC ACTIVITIES, CHLOROPHYLL PLUORSENCE IN LEAVES EXPOSED TO HIGH LIGHT AND WATER STRESS IN WHEAT (TRITICUM AESTIVUM)

Author(s)

RAHDARI P. | Issue Writer Certificate

Keywords

FLUORESCENCE CHLOROPHYLLQ2

DCPIPQ2

WATER STRESSQ2

HIGH LIGHT STRESSQ2

Abstract

Environment stresses, e.g. extremes of temperature and light and water availability can reduce the ability of a plant to metabolise. This can mean an imbalance between the absorption of light energy by chlorophyll and the use of the absorbed energy in photosynthesis. In this research we have examined the effect light high stress and water deficit separately and simultaneously together, in wheat seedling. For high irradiance stress treatment, grown seedling was exposed to 250wm-2 for 2h daily for the next 5 days. For WATER STRESS treatment, instead of distilled water, 5% queues polyethylene glycol-4000 solution was added to control irradiance seedling. For high irradiance stress and WATER STRESS treatment together, seedling irrigated to poly ethylene golycon instead of distilled water and exposed to 250wm-2 for 2h daily. Results were observed that in HIS+WS together treatment chlorophyll and caroteniod pigments rate was showed the most decrease. More decrease in excition energy transfer was observed both in PSII and PSI of stress treated samples in HIS+WS together. Photosynthetic activity or photo reduction of DCPIP by chloroplasts also in HIS+WS treatment was the most compared to control and other treatments. Fluorescence intensity also was showed highest decrease in HIS+WS treatment compared to HIS stress and WS and control.

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APA: Copy

RAHDARI, P.. (2011). CHANGES IN CHLOROPHYLL AND CAROTENOID PIGMENTS COMPOUNED , PHOTOSYNTHETIC ACTIVITIES, CHLOROPHYLL PLUORSENCE IN LEAVES EXPOSED TO HIGH LIGHT AND WATER STRESS IN WHEAT (TRITICUM AESTIVUM). NATURAL ECOSYSTEMS OF IRAN, 1(3), 47-54. SID. https://sid.ir/paper/215114/en

Vancouver: Copy

RAHDARI P.. CHANGES IN CHLOROPHYLL AND CAROTENOID PIGMENTS COMPOUNED , PHOTOSYNTHETIC ACTIVITIES, CHLOROPHYLL PLUORSENCE IN LEAVES EXPOSED TO HIGH LIGHT AND WATER STRESS IN WHEAT (TRITICUM AESTIVUM). NATURAL ECOSYSTEMS OF IRAN[Internet]. 2011;1(3):47-54. Available from: https://sid.ir/paper/215114/en

IEEE: Copy

P. RAHDARI, “CHANGES IN CHLOROPHYLL AND CAROTENOID PIGMENTS COMPOUNED , PHOTOSYNTHETIC ACTIVITIES, CHLOROPHYLL PLUORSENCE IN LEAVES EXPOSED TO HIGH LIGHT AND WATER STRESS IN WHEAT (TRITICUM AESTIVUM),” NATURAL ECOSYSTEMS OF IRAN, vol. 1, no. 3, pp. 47–54, 2011, [Online]. Available: https://sid.ir/paper/215114/en

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