Photosynthetic rates and antioxidant enzyme activity of Platanus occidentalis growing under two levels of air pollution along the streets of Seoul

Young Woo Su, Mi Je Sun

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

We investigated the net photosynthetic rates and antioxidative enzyme activity in Platanus occidentalis trees growing on two separate streets in Seoul, and representing different degrees of air pollution. In general, concentrations of SO2, NO2, and PM10 decreased from May to September. The photosynthetic rate was reduced significantly on the street with higher levels of pollution. Moreover, activities of two antioxidative enzymes, ascorbate peroxidase and glutathione reductase, were greater in May along the more polluted street. These data suggest that P. occidentalis growing in highly polluted environments may increase their antioxidant enzyme activity to compensate for and to minimize the damage from this stress.

Original languageEnglish
Pages (from-to)315-319
Number of pages5
JournalJournal of Plant Biology
Volume49
Issue number4
DOIs
StatePublished - 31 Aug 2006

Keywords

  • Antioxidative enzymes
  • Stress compensation

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