Visual and Physiological Characteristic Changes of Five Tree Species Exposed to SO2

  • Kwon, Ki-Won (Department of Environmental Forest Resources, Chungnam National University) ;
  • Choi, Jeong-Ho (Forest Practice Research Center, Korea Forest Research Institute) ;
  • Woo, Su-Young (Department of Environmental Horticulture, University of Seoul) ;
  • Lee, Jae-Cheon (Department of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Lee, Jeong Ho (National Arbortetum)
  • 투고 : 2006.02.21
  • 심사 : 2006.03.08
  • 발행 : 2006.06.30

초록

After long exposure to low-density $SO_2$ the five tree species showed different changes in their visible damage: Ailanthus altissima showed no visible damage; Acanthopanax sessiliflorus, Populus alba ${\times}$ Populus glandulosa, and Platanus orientalis showed typical damage of yellow spots on their leaves; and Liriodendron tulipifera showed serious damage on the end of leaf tip. The photosynthesis rate of Liriodendron tulipifera and Acanthopanax sessiliflorus was usually lower than the control group: Ailanthus altissima, Populus alba ${\times}$ Populus glandulosa, and Platanus orientalis showed no difference from the control group, while Acanthopanax sessiliflorus and Liriodendron tulipifera showed large changes. In regard to the light compensation points, Ailanthus altissima showed similar values, Populus alba ${\times}$ Populus glandulosa and Platanus orientalis exposed to $SO_2$, showed 3 to $5{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ higher values than the control group, and Acanthopanax sessiliflorus and Liriodendron tulipifera exposed to $SO_2$ showed approximately twice higher light compensation points.

키워드

참고문헌

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