Responses of a native plant species from invaded and uninvaded areas to allelopathic effects of an invader
Lyytinen, A., & Lindström, L. (2019). Responses of a native plant species from invaded and uninvaded areas to allelopathic effects of an invader. Ecology and Evolution, 9(10), 6116-6123. https://doi.org/10.1002/ece3.5195
Julkaistu sarjassa
Ecology and EvolutionPäivämäärä
2019Oppiaine
Ekologia ja evoluutiobiologiaBiologisten vuorovaikutusten huippututkimusyksikköEcology and Evolutionary BiologyCentre of Excellence in Biological Interactions ResearchTekijänoikeudet
© 2019 The Authors.
Invaders exert new selection pressures on the resident species, for example, through
competition for resources or by using novel weapons. It has been shown that novel
weapons aid invasion but it is unclear whether native species co‐occurring with in‐
vaders have adapted to tolerate these novel weapons. Those resident species which
are able to adapt to new selective agents can co‐occur with an invader while others
face a risk of local extinction. We ran a factorial common garden experiment to study
whether a native plant species, Anthriscus sylvestris, has been able to evolve a greater
tolerance to the allelochemicals exerted by the invader, Lupinus polyphyllus. Lupinus
polyphyllus produces allelochemicals which potentially act as a novel, strong selective
agent on A. sylvestris. We grew A. sylvestris seedlings collected from uninvaded (naïve)
and invaded (experienced) sites growing alone and in competition with L. polyphyllus
in pots filled with soil with and without activated carbon. Because activated carbon
absorbs allelochemicals, its addition should improve especially naïve A. sylvestris per‐
formance in the presence of the invader. To distinguish the allelochemicals absorp‐
tion and fertilizing effects of activated carbon, we grew plants also in a mixture of soil
and fertilizer. A common garden experiment indicated that the performances of naïve
and experienced A. sylvestris seedlings did not differ when grown with L. polyphyllus.
The addition of activated carbon, which reduces interference by allelochemicals, did
not induce differences in their performances although it had a positive effect on the
aboveground biomass of A. sylvestris. Together, these results suggest that naïve and
experienced A. sylvestris plants tolerated equally the invader L. polyphyllus and thus
the tolerance has not occurred over the course of invasion.
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John Wiley & Sons Ltd.ISSN Hae Julkaisufoorumista
2045-7758Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/30608111
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This research project was supported by the Finnish Cultural Foundation, the Academy of Finland (project number 252411, Finnish Centre of Excellence in Biological Interactions Research) and Konnevesi writing grant from the University of Jyväskylä.Lisenssi
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