Comprehensive evaluation of nitrogen use efficiency of different Lycium barbarum L. cultivars under nitrogen stress
文献类型： 外文期刊
作者： Shi, Zhigang 1 ; Wei, Feng 1 ; Wan, Ru 1 ; Li, Yunxiang 1 ; Wang, Yajun 1 ; An, Wei 1 ; Qin, Ken 1 ; Dai, Guoli 1 ; Cao, Youlong 1 ; Chen, Xiaoyi 2 ; Wang, Xiuying 1 ; Yang, Libin 1 ;
作者机构： 1.Ningxia Acad Agr & Forestry Sci, Natl Wolfberry Engn Res Ctr, Wolfberry Engn Res Inst, Yinchuan 750002, Ningxia, Peoples R China
2.Northwest A&F Univ, Coll Hort, Yangling 712000, Xianyang, Peoples R China
3.Ningxia State Farm A&F Technol Cent, Yinchuan 750002, Ningxia, Peoples R China
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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