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High-voltage electrostatic fields increase nitrogen uptake and improve growth of tomato seedlings
Meiqing Li;  Yanyou Wu;  Mingming Zhang;  Jianyun Zhu
2018
发表期刊Canadian Journal of Plant Science
卷号98期号:1页码:93-106
摘要

High-voltage electrostatic fields (HVEFs) can increase the nitrogen uptake of plants. An ammonium cation inhibitor, tetraethylammonium chloride, and a nitrate ion inhibitor, 5-nitro-2-(3-phenylpropylamino)benzoate, were added to ammonium and nitrate growing solutions with and without exposure to HVEFs to investigate the effects of these fields on tomato seedlings. The seedlings were exposed to HVEFs with field intensities of 2.25 and 2.5 kV cm(-1), respectively, for 8 h and the dynamic absorption of nitrogen ions was comparatively analyzed. The seedlings exposed to HVEFs were planted in a greenhouse, the diameter and length of their stems were measured after a 20-d growth period, and their fruit yield was recorded after harvest. Results demonstrated that HVEFs with field intensities of 2.25 and 2.5 kV cm(-1) could respectively improve the dynamic absorption of NH4+ and NO3- by the hydroponically grown tomato seedlings. Many channel proteins were also activated by HVEFs as nitrogen uptake increased. HVEF treatment in the seedling stage is a potential mechanism to enhance nitrogen uptake, cultivate shorter and stockier seedlings, and increase yield.

关键词Hydroponic Tomato Plant nitrogen Absorption high-voltage Electrostatic Field
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/8662
专题环境地球化学国家重点实验室
作者单位1.Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education of the People’s Republic of China, Institute of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang 212013, People’s Republic of China
2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, People’s Republic of China
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Meiqing Li;Yanyou Wu;Mingming Zhang;Jianyun Zhu. High-voltage electrostatic fields increase nitrogen uptake and improve growth of tomato seedlings[J]. Canadian Journal of Plant Science,2018,98(1):93-106.
APA Meiqing Li;Yanyou Wu;Mingming Zhang;Jianyun Zhu.(2018).High-voltage electrostatic fields increase nitrogen uptake and improve growth of tomato seedlings.Canadian Journal of Plant Science,98(1),93-106.
MLA Meiqing Li;Yanyou Wu;Mingming Zhang;Jianyun Zhu."High-voltage electrostatic fields increase nitrogen uptake and improve growth of tomato seedlings".Canadian Journal of Plant Science 98.1(2018):93-106.
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