首页> 外文期刊>Egyptian Journal of Agronomy >Role of Plant Antioxidants (Ascorbic Acid, Glutathione, a -Tocopherol, Spermine) in Alleviating Salinity Stress on Growth and Yield of Wheat Plants
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Role of Plant Antioxidants (Ascorbic Acid, Glutathione, a -Tocopherol, Spermine) in Alleviating Salinity Stress on Growth and Yield of Wheat Plants

机译:植物抗氧化剂(抗坏血酸,谷胱甘肽,α-生育酚,亚精胺)在缓解盐分胁迫下对小麦植物生长和产量的作用

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摘要

APOT experiment was carried out to investigate the role of some plant antioxidants such as ascorbic acid, glutathione, alpha-tocopherol, spermine in alleviating the harmful effects caused by high salinity level (6g/l) in wheat plants. The seeds were pre-soaked and the plants sprayed with anyone of the antioxidants used. It was concluded that salinity stress depressed all growth parameters and yield components. The data also showed that the different antioxidants could partially alleviate the harmfuleffect of salinity stress on growth and yield of wheat plants. The data showed that 6000 mg/1 salinity level alone or in combination with any of antioxidants used increased the activity of total peroxidase, ascorbic peroxidase, superoxide dismutase and catalase in wheat leaves. In addition, salinity (6000 mg/1) alone or in combination with any of applied antioxidants increased the endogenous contents of ascorbic and glutathione and total phenols but decreased carotenoids.
机译:进行了APOT实验,研究了一些植物抗氧化剂,例如抗坏血酸,谷胱甘肽,α-生育酚,亚精胺在减轻高盐度(6g / l)对小麦植物造成的有害影响中的作用。将种子预先浸泡,并在植物上喷洒任何使用的抗氧化剂。结论是盐度胁迫抑制了所有生长参数和产量组成。数据还表明,不同的抗氧化剂可以部分减轻盐分胁迫对小麦植物生长和产量的有害影响。数据表明,单独或与任何抗氧化剂组合使用的6000 mg / 1盐度水平均可增加小麦叶片中总过氧化物酶,抗坏血酸过氧化物酶,超氧化物歧化酶和过氧化氢酶的活性。此外,盐度(6000 mg / 1)单独使用或与任何已应用的抗氧化剂组合使用均可增加抗坏血酸和谷胱甘肽和总酚的内源性含量,但减少类胡萝卜素的含量。

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