Emission of Sulfur Dioxide from Sulfite-Treated Birch Leaves

Konka Veeranjaneyulu, Christophe N. N'soukpoé-Kossi, Roger M. Leblanc

Research output: Contribution to journalArticlepeer-review


In the present paper, we report the emission of S02 from 10 mM sulfite-treated birch (Betula papyrifera Marsh) leaves both in light and in the dark. The emission reaches maximum at around 60 min during treatment. In some leaves, maximum emission is noticed even after 5 to 10 min of initiation of sulfitetreatment. It is also observed in the presence of 3{3,4-dichlorophenyl)-1-1 dimethylurea (DCMU). However, the emission rates are higher in light than in the dark or in the presence of DCMU. This emission is not observed with sulfate-treated leaves.

Original languageEnglish (US)
Pages (from-to)420-423
Number of pages4
JournalJournal of Plant Physiology
Issue number3
StatePublished - 1994


  • 3{3,4-dichlorophenyl)-1,1 dimethylurea
  • Betula Papyrifera Marsh
  • DCMU
  • L.a.
  • SO Emission
  • Sulfite Treatment
  • leaf area

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Plant Science


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