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Remote Sensing Technology and Application  2002, Vol. 17 Issue (3): 119-124    DOI: 10.11873/j.issn.1004-0323.2002.3.119
    
The Spectra Measurement and Analysis of Wheat Aphid Disaster in Beijing
HE Guo-jin1, Hu De-yong1, JIN Xiao-hua2, YANG Jian-guo2, LI Guo-yang2
(1.China Remote Sensing Satellite Ground Station,Chinese Academy of Sciences,Beijing100086,China;
2.Plants Protecting Station of Beijing,Beijing100029,China)
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Abstract  

Based on the measurement of chlorophyll content in the period of wheat growing and yielding and the relationship analysis between the content of chlorophyll and the amount of wheat aphid, this paper presented the basis of plant physiology for wheat aphid disaster monitoring using remote sensing technologies. The correlation curves addressing the relation between the amount of wheat aphid and the wheat spectra were figured out by ground spectral testing in 1995, 1996 and 1998, which verified the feasibility of wheat aphid disaster monitoring according to the ratio vegetation index of wheat spectral reflection, namely RVI. An approach of decision making for the time to wheat aphid preventing and curing was also offered, that is, what ' s the RVI when the aphid amount was about 500 in 100 trunks of wheat.It resulted in the key technology presentation for wheat aphid disaster monitoring, especially the technique for deciding the best time for wheat aphid preventing and curing.

Key words:  Wheat aphid      Spectral testing      RVI      NOAA     
Received:  15 April 2002      Published:  21 November 2011
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Cite this article: 

HE Guo-jin, Hu De-yong, JIN Xiao-hua, YANG Jian-guo, LI Guo-yang. The Spectra Measurement and Analysis of Wheat Aphid Disaster in Beijing. Remote Sensing Technology and Application, 2002, 17(3): 119-124.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2002.3.119     OR     http://www.rsta.ac.cn/EN/Y2002/V17/I3/119

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