Comprehensive evaluation of nitrogen use efficiency of different Lycium barbarum L. cultivars under nitrogen stress

文献类型： 外文期刊

第一作者： Shi, Zhigang

作者： Shi, Zhigang;Wei, Feng;Wan, Ru;Li, Yunxiang;Wang, Yajun;An, Wei;Qin, Ken;Dai, Guoli;Cao, Youlong;Wang, Xiuying;Yang, Libin;Wei, Feng;Chen, Xiaoyi;Wei, Feng

作者机构：

关键词： Lycium barbarum L; Comprehensive evaluation; Nitrogen stress; Nitrogen use efficiency; N metabolism

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.342； 五年影响因子：4.342 ）

ISSN： 0304-4238

年卷期： 2022 年 295 卷

页码：

收录情况： SCI

摘要： Nitrogen (N) deficiency is a common problem for Lycium barbarum L. (goji) production in arid and semi-arid areas of northwestern of China. The development of new nitrogen-efficient goji cultivars under low nitrogen conditions is an important way to solve this problem. In the present study, morphological and nutrient-based parameters of Ningqi 1 (A), 1402 (B), Ningqi 7 (C), 1401 (D), and Ning1Y (E) were comprehensively evalu-ated under different nitrogen levels in the greenhouse. Finally, we concluded that Ningqi 1 (A) was high and Ning1Y (E) was low in nitrogen use efficiency under nitrogen stress. Difference of glutamate synthase activity in the root may be the reason for the difference in nitrogen use efficiency between Ningqi 1 (A) and Ning1Y (E). This work provides a reliable and comprehensive method to assess nitrogen utilization under low nitrogen conditions in goji and reveals possible physiological difference mechanisms.

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