EFFECT OF SALT STRESS ON GROWTH, PROLINE, ANTIOXIDANT ENZYME ACTIVITY AND PHOTOSYSTEM II EFFICIENCY IN SALT-SENSITIVE AND -TOLERANT RICE CULTIVARS

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HABIBOLLAHI NAHID; MAHDIYEH MAJID; AMIRJANI MOHAMMAD REZA

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Paper Information

Journal: Journal of Plant Biological Sciences Year:2012 | Volume:4 | Issue:13 Page(s): 85-96

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Title

EFFECT OF SALT STRESS ON GROWTH, PROLINE, ANTIOXIDANT ENZYME ACTIVITY AND PHOTOSYSTEM II EFFICIENCY IN SALT-SENSITIVE AND -TOLERANT RICE CULTIVARS

Author(s)

HABIBOLLAHI NAHID | MAHDIYEH MAJID | AMIRJANI MOHAMMAD REZA | Issue Writer Certificate

Keywords

RICEQ2

PROLINEQ2

SALT STRESSQ2

CATALASEQ1

PHOTOSYSTEM II EFFICIENCYQ2

Abstract

Salt stress is considered as one of the major limitations for food production especially in irrigated regions. The RICE as a major food is very sensitive to SALT STRESS. The comparison of physiological responses to salt in RICE can be useful to improve resistance to this stress. For this purpose, in this study two Iranian RICE cultivars with different resistances to SALT STRESS namely, Khazar (salt sensitive) and Zayandehrood (salt tolerant) were examined. The seeds after sterilization were treated with different NaCl concentrations (0, 50, 100 and 200 mM) in Hoagland medium and germination percentage was determined. Then, the growth factors in 15 days-old seedlings and PROLINE content, CATALASE activity and Photosynthetic parameters were determined in 25 days old plantlets under 100 mM NaCl. The results showed that with increasing of salt concentration, germination percentage was significantly decreased in both cultivars but this effect was more drastic in Khazar. SALT STRESS (100 mM) reduced length, fresh and dry matter and also the relative water content of shoot in both cultivars. The results showed more accumulation of PROLINE in Zayandehrood than Khazar. The CATALASE activity was significantly increased in Zayandehrood by salinity but not in Khazar. SALT STRESS significantly decreased chlorophyll content in Zayandehrood but not in Khazar. Maximal quantum yield of PS II of RICE leaves showed no significant difference for Zayandehrood but in Khazar, SALT STRESS significantly decreased the ratio of Fv/Fm. It seemed that prolin content, CATALASE activity and Fv/Fm ratio playes essential roles in salt tolerance in RICE.

Cites

EFFECT OF VEGETATIVE GROWTH, CELL MEMBRANES STABILITY AND ION COMPARTMENTATION OF RICE CULTIVARS UNDER SALT STRESS CONDITION

References

EVALUATION OF SALT TOLERANCE IN IRANIAN LANDRACE AND IMPROVED RICE CULTIVARS

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APA: Copy

HABIBOLLAHI, NAHID, MAHDIYEH, MAJID, & AMIRJANI, MOHAMMAD REZA. (2012). EFFECT OF SALT STRESS ON GROWTH, PROLINE, ANTIOXIDANT ENZYME ACTIVITY AND PHOTOSYSTEM II EFFICIENCY IN SALT-SENSITIVE AND -TOLERANT RICE CULTIVARS. IRANIAN JOURNAL OF PLANT BIOLOGY, 4(13), 85-96. SID. https://sid.ir/paper/160002/en

Vancouver: Copy

HABIBOLLAHI NAHID, MAHDIYEH MAJID, AMIRJANI MOHAMMAD REZA. EFFECT OF SALT STRESS ON GROWTH, PROLINE, ANTIOXIDANT ENZYME ACTIVITY AND PHOTOSYSTEM II EFFICIENCY IN SALT-SENSITIVE AND -TOLERANT RICE CULTIVARS. IRANIAN JOURNAL OF PLANT BIOLOGY[Internet]. 2012;4(13):85-96. Available from: https://sid.ir/paper/160002/en

IEEE: Copy

NAHID HABIBOLLAHI, MAJID MAHDIYEH, and MOHAMMAD REZA AMIRJANI, “EFFECT OF SALT STRESS ON GROWTH, PROLINE, ANTIOXIDANT ENZYME ACTIVITY AND PHOTOSYSTEM II EFFICIENCY IN SALT-SENSITIVE AND -TOLERANT RICE CULTIVARS,” IRANIAN JOURNAL OF PLANT BIOLOGY, vol. 4, no. 13, pp. 85–96, 2012, [Online]. Available: https://sid.ir/paper/160002/en

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