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Assessment of potential chemical defences in woody species towards phytophages

Svitlana Sytnyk

Assessment of potential chemical defences in woody species towards phytophages

Leaves of Robinia pseudoacacia with Parectopa robiniellas mines — S. Sytnyk

Invasive phytophagous insects may threaten woody species in their introduced areas in unknown directions; thus, studies are needed to explore changes in primary and specialized metabolites in response to these insects, which may affect the plant-insect relationships.

Focus of this project is the woody species Robinia pseudoacacia and Aesculus hippocastanum. Nowadays, the expansion of invaders such as Parectopa robiniella, Macrosaccus robiniella and Cameraria ohridella is of high phytosanitary risk for these species. How do insects select trees of R. pseudoacacia and A. hyppocastanum for settlement?

We study the metabolic composition of uninfested and infested leaves of trees of different age classes and growing in different environments. Subsequently, we will test the effects of selected metabolites on these insects.

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