台灣地區常見植物排放異戊二烯之研究

李昆龍

doi:10.6342/NTU.2004.02513

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台灣地區常見植物排放異戊二烯之研究

Study on Isoprene Emission from Popular Plants in Taiwan

李昆龍 , Masters　　Advisor：孫岩章　　

繁體中文 DOI： 10.6342/NTU.2004.02513

生物源揮發性有機物；異戊二烯； biogenic volatile organic compound ； isoprene

Abstract │ Reference (37) │ Times Cited (1) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

The aim of this research was to detect isoprene emission from common plants in Taiwan by simplified isoprene sampling and analyzing method. A PP plastic bag enclosure method in combination with a GC-FID instrument installed with a Se-30 packing column was adopted in this study to quickly detect the plant gas emission. Totally 41 plant species are screened for their emission. Among them, nine species were found to be isoprene emitters. They are, white bark fig（Ficus benjamina）, rubber plant（Ficus elastica）, bread fruit tree（Artocarpus altilis）, Formosan sweet gum (Liquidambar formosana), poongaoil (Pongamia pinnata), sisso tree (Dalbergia sissoo), paper-bark tree (Melaleuca leucadendron), wax apple (Syzygium samarangense), and mango (Mangifera indica). The nine plant species are not suggested to be planted in the urban areas. They may emit a lot of biogenic volatile organic compounds that will increase the ambient ozone. 
Isoprene emission rate was also measured for rubber plant, sisso tree and Formosan sweet gum. Their emission rates in the ecosystem tank under high density of 6,300 lux were 12, 15, and 32 ug/g/h.
The effect of different light on isoprene emission is also studied in the ecosystem tank. Results show that all 4 colors of light including red, yellow, green and blue, can cause isoprene emission on Formosan sweet gum and sisso tree, but the efficiencies are different. The emission rates are ranked by: red＞blue＞yellow＞green. No isoprene is emitted from red cedar（Bischofia javanica）no matter what color of light is used. The reason of different light’s effect seems to be associated with photosynthesis. Since red and blue light is more essential for photosynthesis, they can induce more isoprene production and emission.
The ambient isoprene concentration behind the high emission plants was also measured. Results show that none was detectable at 0, 1, and 3 meters downwind the nine isoprene emitters. These results suggest that isoprene concentration is not as high as ethylene in Taipei area.

Key words：biogenic volatile organic compound, isoprene

Reference ( 37 ) 〈TOP〉

9. Arey, J. 1990 Terpenes emitted from agricultural species found in California’s central valley. J. Geophys. Res. 96: 9329-9336.
連結：
11. Benjamin, M. T., Sudol, M., Bloch, L., and Winer, A. M. 1996 Low-emitting urban forests: A taxonomic methodology for assigning isoprene and monoterpene emission rate. Atmosph. Environ. 30: 1437-1452.
連結：
12. Chameides, W., Lindsay, R., Richardson, J., and Kiang C. 1988 The role of biogenic hydrocarbons in urban photochemical smog: Atlanta as a case study. Science 241: 1473-1475.
連結：
13. Crutzen, P. 1979 The role of NO and NO2 in the chemistry of the troposphere and the stratosphere. Ann. Rev. Ear. Plan. Sci. 7: 443-472.
連結：
14. Evans, R. C. Tingey, D. T., Gumpertz, M. L., and Burns, W. F. 1982 Estimates of isoprene and monoterpene emission rates in plants. Bot. Gaz. 143: 304-310.
連結：

Times Cited (1) 〈TOP〉

彭永良(2006)。常見綠化植栽異戊二烯生成因子之研究。臺灣大學園藝學研究所學位論文。2006。1-56。

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