Foliar application of alpha-ketoglutarate plus nitrogen improves drought resistance in soybean (Glycine max L. Merr.)

文献类型： 外文期刊

第一作者： Gai, Zhijia

作者： Gai, Zhijia;Liu, Jingqi;Cai, Lijun;Zhang, Jingtao;Liu, Lei;Liu, Lei

作者机构：

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.996； 五年影响因子：5.516 ）

ISSN： 2045-2322

年卷期： 2022 年 12 卷 1 期

页码：

收录情况： SCI

摘要： The aim of the present research was to understand the impacts of foliar nitrogen and alpha-oxoglutarate on proline accumulation, photosynthesis, and ammonium assimilation of soybean seedlings subjected to drought stress. The data in the present study demonstrated that foliar alpha-oxoglutarate and nitrogen significantly enhanced leaf glutamine synthetase (GS) activity, glutamate dehydrogenase (GDH) activity, glutamate content, proline content, relative water content (RWC) and photosynthesis of soybean seedlings exposed to drought stress at each stage. Accordingly, the ammonium content was significantly reduced by foliar alpha-oxoglutarate and nitrogen. These results suggested that a combination of foliar nitrogen plus alpha-oxoglutarate had an advantage over either foliar nitrogen or foliar alpha-oxoglutarate in increasing the proline accumulation under drought stress and a combination of foliar nitrogen plus alpha-oxoglutarate could better mitigate the adverse impacts of drought stress.

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