The Effect of the Interaction between Genotypes and Drought Stress on the Superoxide Dismutase and Chlorophyll Content in Durum Wheat Landraces

被引：79
作者：
Zaefyzadeh, Mohammad [3 ]
Quliyev, Rauf Alakbar [2 ]
Babayeva, Sevda Mashalla [1 ]
Abbasov, Mehraj Ali [1 ]
机构：
[1] Genet Resources Inst ANAS, Baku, Azerbaijan
[2] Baku State Univ, Baku, Azerbaijan
[3] Islamic Azad Univ, Ardabil Branch, Ardebil, Iran
来源：
TURKISH JOURNAL OF BIOLOGY | 2009年 / 33卷 / 01期
关键词：
Durum wheat; SOD; CCI; drought; STI; ACTIVE OXYGEN; ANTIOXIDANT RESPONSES; HYDROGEN-PEROXIDE; WATER-DEFICIT; PHOTOSYNTHESIS; SYSTEMS; PLANTS;
D O I：
10.3906/biy-0801-12
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Free radicals and other active derivatives of oxygen inactivate enzymes and important plant cellular components. Superoxide dismutases (SODs) have been identified as essential components in an organism's defence mechanism. This study was devoted to the investigation of SOD activity in 13 durum wheat landraces from Iran and Azerba an under 2 (drought and normal) conditions. The effect of drought stress on SOD, chlorophyll content index (CCI), and chlorophyll degradation were studied. Significant differences between genotypes and the genotype x environment interaction among SOD and CCI content were identified. The mean comparison showed that the contents of SOD and CCI decreased in susceptible landraces, whereas in resistant and moderately resistant landraces SOD and CCI remained unchanged or increased. The stress tolerance index (STI) for SOD and CCI classified resistant and susceptible landraces into distinct groups. Therefore, these 2 characters can be used as an indirect selection criterion for screening drought-resistant plant materials.
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页码：1 / 7
页数：7
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