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首页> 外文期刊>Protoplasma: An International Journal of Cell Biology >Alleviation of water and osmotic stress-induced changes in nitrogen metabolizing enzymes in Triticum aestivum L. cultivars by potassium
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Alleviation of water and osmotic stress-induced changes in nitrogen metabolizing enzymes in Triticum aestivum L. cultivars by potassium

机译:缓解水和渗透胁迫诱导的钾盐氮素氮素代谢酶的变化

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摘要

Present communication reports laboratory and pot experiments conducted to study the influence of water and osmotic stress on nitrogen uptake and metabolism in two wheat (Triticum aestivum L) cultivars with and without potassium supplementation. Polyethylene glycol 6000-induced osmotic stress/restricted irrigation caused a considerable decline in the activity of nitrate reductase, glutamate synthase, alanine and aspartate aminotransferases, and glutamate dehydrogenase. Potassium considerably improved nitrogen metabolism under normal water supply conditions and also resulted in amelioration of the negative impact of water and osmotic stresses indicating that potassium supplementation can be used as a potential tool for enhancing the nitrogen use efficiency in wheat for exploiting its genetic potential.
机译:目前的沟通报告实验室和盆栽实验研究了水和渗透胁迫对两块小麦(Triticum aestivum L)品种的氮吸收和代谢的影响,具有和不含钾补充剂。 聚乙二醇6000诱导的渗透胁迫/限制灌溉导致硝酸还原酶,谷氨酸合酶,丙氨酸和天冬氨酸氨基转移酶的活性相当下降,以及谷氨酸脱氢酶。 钾在正常供水条件下显着提高了氮代谢,也导致水和渗透胁迫的负面影响,表明钾补充剂可以用作提高小麦中的氮气利用效率的潜在工具来利用其遗传潜力。

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