光谱学与光谱分析 |
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Detection of Total Nitrogen and Organic Matter in Rhizosphere of Transgenic Cotton by Near-Infrared Diffuse Reflectance Spectroscopy |
RUI Yu-kui1,2,HUANG Kun-lun1,3,TIAN Hui-qin1,GUO Jing1,LUO Yun-bo1* |
1. College of Food Science and Nutritional Engineering, China Agricultural University,Beijing 100083, China 2. Supervision Inspection and Test Center of Farm Produce of Agricultural Ministry, Beijing 100083, China |
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Abstract With the rapid development of the transgenic biotechnology,more and more transgenic plants have been poured into the market, and scientists have paid much attention to transgenic plants’ ecological safety. To analysize the content of organic matter and total nitrogen in rhizosphere of transgenic cottons and their parents, the dried soil were scanned by continuous wave of near infrared diffuse reflectance spectroscopy ranging from 12 000 to 4 000 cm-1 with a resolution of 4 cm-1 and scanning for 64 times. Bruker OPUS software was applied for quantification. This method was compared with the standard methods. The results showed that the precision of NIRS was very similar to the standard methods. On the other hand, the results also showed that the contents of organic matter and total nitrogen in rhizosphere soil of transgenic cottons were significantly higher than those of their parents, which could arise from the foreign toxin secretion of root.
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Received: 2005-11-02
Accepted: 2006-03-17
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Corresponding Authors:
LUO Yun-bo
E-mail: ruiyukui@163.com
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Cite this article: |
RUI Yu-kui,HUANG Kun-lun,TIAN Hui-qin, et al. Detection of Total Nitrogen and Organic Matter in Rhizosphere of Transgenic Cotton by Near-Infrared Diffuse Reflectance Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(01): 35-37.
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URL: |
https://www.gpxygpfx.com/EN/Y2007/V27/I01/35 |
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