Effects of SO2 on the photosynthetic and respiration rates in scots pine seedlings.
- Published Article
- Publication Date
Jan 01, 1987
Exposure to moderate concentrations (90-500 microg SO(2) m(-3)) of SO(2) for 5-30 days caused a decrease in the photosynthetic rate. Only the lowest concentration (30 microg SO(2) m(-3)) increased photosynthesis. There was hardly any recovery in photosynthesis after the exposure. All exposure concentrations increased dark respiration. However, the lowest concentration had the smallest effect. Exposure to high concentration (2320 microg SO(2) m(-3)) of SO(2) for 5 h caused a strong decrease in the photosynthetic rate but there was a complete recovery within 2 weeks.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/15092722