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Final Report - FLORDETERSIGNALS (Silene floral and deterrent signals)

Project ID: 200265
Funded under: FP7-PEOPLE


This is the final report of the FLORDETERSIGNALS project, which is funded under the European Commission (EC) Seventh Framework Programme (FP7). The project set out to establish if the floral odours from Silene plants change after egg deposition or seed consumption by the larvae of Handena bicruris. Volatile organic compounds (VOCs) were found to change after Handena bicruris eggs were deposited. The exposure of uninjured plants to infestations resulted in a rather low VOC induction. The researcher noticed there was no connection between larval consumption and odour releasing; larvae were actively eating the seeds, although the plants may have been too old to release odours. The changes in VOC production were different following the abundance of co-pollinators. Plants pollinated by Autographa gamma and Hadena bicruris were also restricted in their production of attractants, and there was a decrease in the total scent emission after pollination.

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