Molybdenum-induced effects on nitrogen absorption and utilization under different nitrogen sources in Vitis vinifera
文献类型： 外文期刊
作者： Liu, Li 1 ; An, Meng-meng 2 ; Li, Xiu-jie 1 ; Han, Zhen 1 ; Li, Shao-xuan 3 ; Li, Bo 1 ;
作者机构： 1.Shandong Acad Agr Sci, Shandong Acad Grape, Jinan 250100, Peoples R China
2.Zibo Acad Agr Sci, Zibo, Peoples R China
3.Qingdao Acad Agr Sci, Qingdao, Peoples R China
关键词： Molybdenum; nitrogen sources; molybdate transporter; grapevine; nitrate transporter; nitrogen-use efficiency
期刊名称：JOURNAL OF PLANT INTERACTIONS （ 影响因子：4.029； 五年影响因子：5.124 ）
ISSN： 1742-9145
年卷期： 2022 年 17 卷 1 期
页码：
收录情况： SCI
摘要： Nitrogen (N) in different forms has been demonstrated to play significant roles in plants. However, little is known about molybdenum (Mo) effects on N absorption and utilization in grapevine seedlings grown under different N sources. The present study used a sand culture system to analyze the impact of Mo application (0 mu M; 1 mu M) on N absorption and utilization in grapevine (Vitislabrusca x V. vinifera 'Shine Muscat' (rootstock 3309 m)) young potted seedlings under different N sources (NO3-, NH4NO3 and NH4+). The different N forms and Mo application significantly influenced dry matter accumulation, and root architecture and activity. The effects of Mo on total N content followed the order of (NH4NO3 > NO3- > NH4+). Moreover, Mo and N induced VvMOT1 and VvNRT1.1 expression synergistically. Mo supply altered the utilization of NO3-, NO2-, and NH4+ in grapevines under different N sources. NH4NO3 showed the highest effect while NH4+ the least. Furthermore, the N-15-labeling experiment showed that the N-15 content in shoot and root and the N-15-use efficiency were the highest after Mo application under NH4NO3 source, indicating the synergistic effects of Mo with the co-application of NO3- and NH4+ sources. The study's findings provide insights on Mo and N fertilizer utilization for cultivation and production practices in fruits.
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