Articles | Volume 16, issue 1
https://doi.org/10.5194/acp-16-277-2016
https://doi.org/10.5194/acp-16-277-2016
Research article
 | 
18 Jan 2016
Research article |  | 18 Jan 2016

Plant surface reactions: an opportunistic ozone defence mechanism impacting atmospheric chemistry

W. Jud, L. Fischer, E. Canaval, G. Wohlfahrt, A. Tissier, and A. Hansel

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Short summary
“Breathing” ozone can have harmful effects on sensitive vegetation when sufficient ozone enters the plant leaves through the stomatal pores. Here we show that cis-abienol, a semi-volatile organic compound secreted by the leaf hairs (trichomes) of various tobacco varieties, protects the leaves from breathing ozone. Ozone is efficiently removed by chemical reactions with cis-abienol at the plant surface, forming oxygenated VOC (formaldehyde and methyl vinyl ketone) that are released into the air.
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