SOME EFFECTS OF SEED AGING ON GERMINATION CHARACTERISTICS AND ACTIVITIES OF CATALASE AND PEROXIDASE ANTIOXIDANT ENZYMES IN BARLEY GENOTYPES (HORDEUM VULGARE)

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TAVAKOL AFSHARI R.; GHASEM F.; MAJNOUN HOSSEINI N.; ALIZADEH HOUSHANG; BIHAMTA M.R.

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Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2007 | Volume:38-1 | Issue:2 (AGRONOMY AND CROP BIOTECHNOLOGY) Page(s): 337-346

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Title

SOME EFFECTS OF SEED AGING ON GERMINATION CHARACTERISTICS AND ACTIVITIES OF CATALASE AND PEROXIDASE ANTIOXIDANT ENZYMES IN BARLEY GENOTYPES (HORDEUM VULGARE)

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Keywords

BARLEY GENOTYPESQ2

GERMINATIONQ2

SEED AGINGQ2

CATALAZEQ1

PEROXIDAZE ENZYMESQ2

Abstract

In order to study SEED AGING and its effects on GERMINATION characteristics and enzymatic antioxidant activities of BARLEY GENOTYPES, this study was performed at the seed lab of Faculty of Crop and Animal Science, University of Tehran. After harvesting, to evaluate the seed vigor of 20 BARLEY GENOTYPES, an accelerating-aging test in complete randomized design with three replications was conducted in the laboratory. Such traits as GERMINATION %, GERMINATION speed as well as GERMINATION index were assessed. In a second set of experiments, the activities of antioxidant enzymes, CATALAZE and peroxidaze were evaluated in seed embryos of two BARLEY GENOTYPES with higher and lower seed vigour. The seed accelerate- aging test showed that aging would reduce a GERMINATION percent, speed, as well as index. The genotypes with higher vigour possessed high mean characteristics. The activities of antioxidant enzymes, CATALAZE and peroxidaze, under different hydration treatments as well as aging and non-aging tests revealed that the enzyme activity of genotypes with lower vigor was less than that of the genotypes with higher vigor and that accelerated aging would cause reduction in the enzyme activities of these two BARLEY GENOTYPES. The overall results indicated that CATALAZE activity would be more affected by seed ageing than peroxidase would.

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APA: Copy

TAVAKOL AFSHARI, R., GHASEM, F., MAJNOUN HOSSEINI, N., ALIZADEH, HOUSHANG, & BIHAMTA, M.R.. (2007). SOME EFFECTS OF SEED AGING ON GERMINATION CHARACTERISTICS AND ACTIVITIES OF CATALASE AND PEROXIDASE ANTIOXIDANT ENZYMES IN BARLEY GENOTYPES (HORDEUM VULGARE). IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)), 337-346. SID. https://sid.ir/paper/8455/en

Vancouver: Copy

TAVAKOL AFSHARI R., GHASEM F., MAJNOUN HOSSEINI N., ALIZADEH HOUSHANG, BIHAMTA M.R.. SOME EFFECTS OF SEED AGING ON GERMINATION CHARACTERISTICS AND ACTIVITIES OF CATALASE AND PEROXIDASE ANTIOXIDANT ENZYMES IN BARLEY GENOTYPES (HORDEUM VULGARE). IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2007;38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)):337-346. Available from: https://sid.ir/paper/8455/en

IEEE: Copy

R. TAVAKOL AFSHARI, F. GHASEM, N. MAJNOUN HOSSEINI, HOUSHANG ALIZADEH, and M.R. BIHAMTA, “SOME EFFECTS OF SEED AGING ON GERMINATION CHARACTERISTICS AND ACTIVITIES OF CATALASE AND PEROXIDASE ANTIOXIDANT ENZYMES IN BARLEY GENOTYPES (HORDEUM VULGARE),” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 38-1, no. 2 (AGRONOMY AND CROP BIOTECHNOLOGY), pp. 337–346, 2007, [Online]. Available: https://sid.ir/paper/8455/en

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