Analysis of Inorganic Elements in Hydroponic Taraxacum Mongolicum Grown under Different Spectrum Combinations by ICP-AES
文献类型： 外文期刊
作者： Chen Xiao-li 1 ; Morewane, M. B. 1 ; Xue Xu-zhang 1 ; Guo Wen-zhong 1 ; Wang Li-chun 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China
2.Minist Agr, Key Lab Urban Agr North, Beijing 100097, Peoples R China
关键词： Plant factory;Spectral components;ICP-AES technology;Taraxacum mongolicum;Inorganic elements
期刊名称：SPECTROSCOPY AND SPECTRAL ANALYSIS （ 影响因子：0.589； 五年影响因子：0.504 ）
ISSN： 1000-0593
年卷期： 2015 年 35 卷 2 期
页码：
收录情况： SCI
摘要： Dandelion (Taraxacum mongolicum) was hydroponically cultured in a completely enclosed plant factory, in which fluorescence and LED emitting spectra of different bands were used as the sole light source for plant growth. Effects of spectral component on the growth of dandelion were studied and the contents of ten inorganic elements such as K, P, Ca, Mg, Na, Fe, Mn, Zn, Cu and B in dandelion were analyzed by ICP-AES technology. The results showed that: (1) Under the condition of similar photosynthetic active radiation (PAR), single R or combined spectrums of FLRB were beneficial for biomass accumulation, while single B was the contrary; (2) Macroelements content ratio in Taraxacum mongolicum grown under FL was K: Ca P : Mg : Na=79. 74 : 32.39 : 24.32 : 10.55 : 1. 00, microelements content ratio was Fe : Mn B Zn Cu=9. 28 : 9.71 : 3. 82 : 2. 08 : 1.00; (3) Red light (peak at 660 nm) could promote the absorptions of Ca, Fe, Mn, Zn, while absorption of Cu was not closely related to spectral conditions; (4) The highest accumulation of Ca, Na, Mn and Zn were obtained in aerial parts of Taraxacum mongolicum plants grown under pure red spectrum R, while the accumulation of the rest six elements reached the highest level under the mixed spectrum FLRB.
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