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Ozone degrades floral scent and reduces pollinator attraction to flowers [New Phytologist]

Keywords : anisaldehyde, behavioural tests, Bombus terrestris, Brassica nigra, monoterpenes, p-cymene, phenol

par Frédéric Magné - publié le

In this work we analyzed the degradation of floral scent volatiles from Brassica nigra by reaction with ozone along a distance gradient and the consequences for pollinator attraction.
For this purpose we used a reaction system comprising three reaction tubes in which we conducted measurements of floral volatiles using a proton-transfer-reaction time-of-flight mass spectrometer (PTR-TOF-MS) and GC-MS. We also tested the effects of floral scent degradation on the responses of the generalist pollinator Bombus terrestris.(...)

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