STUDY OF THE EFFECT OF DROUGHT STRESS ON ANTIOXIDANT SYSTEM IN SEEDLINGS OF SOME PERENNIAL ALFALFA ECOTYPES

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SADAT ASILAN KAMAL; MODARES SANAVI S.A.M.; HAJILOUEI SAEID

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Journal: Iranian Journal of Field Crop Science Year:2010 | Volume:41 | Issue:1 Page(s): 67-77

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Title

STUDY OF THE EFFECT OF DROUGHT STRESS ON ANTIOXIDANT SYSTEM IN SEEDLINGS OF SOME PERENNIAL ALFALFA ECOTYPES

Author(s)

SADAT ASILAN KAMAL | MODARES SANAVI S.A.M. | HAJILOUEI SAEID | Issue Writer Certificate

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Abstract

The level of activity of enzymes in a plant (as an indication of the plant’s response to drought stress) can help recognize the plant’s level of resistance to drought, and therefore its chance of cultivation, growth and development in dry and semi dry zones. The current research was conducted as a factorial experiment in a randomized complete block design with three replications for an introduction and a comparison of ten perennial alfalfa seeds at three different drought stress levels. Analysis of data indicated that there were significant differences existing among alfalfa ecotypes, drought stress levels and their interaction for activity levels of the studied enzymes. Means comparison revealed that the moderate drought stress (-4 bar) bore the most four enzymes’ activity levels, while a higher drought stress recording reduced the activity level of these enzymes due to a possible damaging of protein synthesis system. Mean comparison of enzyme activity levels demonstrated that superoxide-desmotase and peroxidase with absorbance changing means of 780.1, 8.2 mg protein per minutes bore the most and the least enzyme activity levels, respectively. Most ecotypes in this study had the same trend of enzyme level variation at different drought levels, while the trend of proxidase enzyme activity in foreign ecotypes was different than Iranian ecotypes. In foreign ecotypes level of peroxidase activity reduced gradually in moderate and intensity drought stress, while Iranian ecotypes had high and low enzyme activity at moderate and intensity drought stress.

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APA: Copy

SADAT ASILAN, KAMAL, MODARES SANAVI, S.A.M., & HAJILOUEI, SAEID. (2010). STUDY OF THE EFFECT OF DROUGHT STRESS ON ANTIOXIDANT SYSTEM IN SEEDLINGS OF SOME PERENNIAL ALFALFA ECOTYPES. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 41(1), 67-77. SID. https://sid.ir/paper/153760/en

Vancouver: Copy

SADAT ASILAN KAMAL, MODARES SANAVI S.A.M., HAJILOUEI SAEID. STUDY OF THE EFFECT OF DROUGHT STRESS ON ANTIOXIDANT SYSTEM IN SEEDLINGS OF SOME PERENNIAL ALFALFA ECOTYPES. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2010;41(1):67-77. Available from: https://sid.ir/paper/153760/en

IEEE: Copy

KAMAL SADAT ASILAN, S.A.M. MODARES SANAVI, and SAEID HAJILOUEI, “STUDY OF THE EFFECT OF DROUGHT STRESS ON ANTIOXIDANT SYSTEM IN SEEDLINGS OF SOME PERENNIAL ALFALFA ECOTYPES,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 41, no. 1, pp. 67–77, 2010, [Online]. Available: https://sid.ir/paper/153760/en

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