Pollinators and herbivores interactively shape selection on strawberry defence and attraction

Abstract Tripartite interactions between plants, herbivores, and pollinators hold fitness consequences for most angiosperms. However, little is known on how plants evolve in response—and in particular what the net selective outcomes are for traits of shared relevance to pollinators and herbivores. I...

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Autores principales:	Paul A. Egan, Anne Muola, Amy L. Parachnowitsch, Johan A. Stenberg
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Conflicting selection diffuse selection eco‐evolutionary dynamics Fragaria vesca multispecies interactions plant‐herbivore‐pollinator Evolution QH359-425
Acceso en línea:	https://doaj.org/article/3044deece3b245c493d935258af01f75
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spelling	oai:doaj.org-article:3044deece3b245c493d935258af01f752021-12-05T14:03:53ZPollinators and herbivores interactively shape selection on strawberry defence and attraction2056-374410.1002/evl3.262https://doaj.org/article/3044deece3b245c493d935258af01f752021-12-01T00:00:00Zhttps://doi.org/10.1002/evl3.262https://doaj.org/toc/2056-3744Abstract Tripartite interactions between plants, herbivores, and pollinators hold fitness consequences for most angiosperms. However, little is known on how plants evolve in response—and in particular what the net selective outcomes are for traits of shared relevance to pollinators and herbivores. In this study, we manipulated herbivory (“presence” and “absence” treatments) and pollination (“open” and “hand pollination” treatments) in a full factorial common‐garden experiment with woodland strawberry (Fragaria vesca L.). This design allowed us to quantify the relative importance and interactive effects of herbivore‐ and pollinator‐mediated selection on nine traits related to plant defence and attraction. Our results showed that pollinators imposed stronger selection than herbivores on traits related to both direct and indirect (i.e., tritrophic) defence. However, conflicting selection was imposed on inflorescence density: a trait that appears to be shared by herbivores and pollinators as a host plant signal. However, in all cases, selection imposed by one agent depended largely on the presence or ecological effect of the other, suggesting that dynamic patterns of selection could be a common outcome of these interactions in natural populations. As a whole, our findings highlight the significance of plant‐herbivore‐pollinator interactions as potential drivers of evolutionary change, and reveal that pollinators likely play an underappreciated role as selective agents on direct and in direct plant defence.Paul A. EganAnne MuolaAmy L. ParachnowitschJohan A. StenbergWileyarticleConflicting selectiondiffuse selectioneco‐evolutionary dynamicsFragaria vescamultispecies interactionsplant‐herbivore‐pollinatorEvolutionQH359-425ENEvolution Letters, Vol 5, Iss 6, Pp 636-643 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Conflicting selection diffuse selection eco‐evolutionary dynamics Fragaria vesca multispecies interactions plant‐herbivore‐pollinator Evolution QH359-425
spellingShingle	Conflicting selection diffuse selection eco‐evolutionary dynamics Fragaria vesca multispecies interactions plant‐herbivore‐pollinator Evolution QH359-425 Paul A. Egan Anne Muola Amy L. Parachnowitsch Johan A. Stenberg Pollinators and herbivores interactively shape selection on strawberry defence and attraction
description	Abstract Tripartite interactions between plants, herbivores, and pollinators hold fitness consequences for most angiosperms. However, little is known on how plants evolve in response—and in particular what the net selective outcomes are for traits of shared relevance to pollinators and herbivores. In this study, we manipulated herbivory (“presence” and “absence” treatments) and pollination (“open” and “hand pollination” treatments) in a full factorial common‐garden experiment with woodland strawberry (Fragaria vesca L.). This design allowed us to quantify the relative importance and interactive effects of herbivore‐ and pollinator‐mediated selection on nine traits related to plant defence and attraction. Our results showed that pollinators imposed stronger selection than herbivores on traits related to both direct and indirect (i.e., tritrophic) defence. However, conflicting selection was imposed on inflorescence density: a trait that appears to be shared by herbivores and pollinators as a host plant signal. However, in all cases, selection imposed by one agent depended largely on the presence or ecological effect of the other, suggesting that dynamic patterns of selection could be a common outcome of these interactions in natural populations. As a whole, our findings highlight the significance of plant‐herbivore‐pollinator interactions as potential drivers of evolutionary change, and reveal that pollinators likely play an underappreciated role as selective agents on direct and in direct plant defence.
format	article
author	Paul A. Egan Anne Muola Amy L. Parachnowitsch Johan A. Stenberg
author_facet	Paul A. Egan Anne Muola Amy L. Parachnowitsch Johan A. Stenberg
author_sort	Paul A. Egan
title	Pollinators and herbivores interactively shape selection on strawberry defence and attraction
title_short	Pollinators and herbivores interactively shape selection on strawberry defence and attraction
title_full	Pollinators and herbivores interactively shape selection on strawberry defence and attraction
title_fullStr	Pollinators and herbivores interactively shape selection on strawberry defence and attraction
title_full_unstemmed	Pollinators and herbivores interactively shape selection on strawberry defence and attraction
title_sort	pollinators and herbivores interactively shape selection on strawberry defence and attraction
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/3044deece3b245c493d935258af01f75
work_keys_str_mv	AT paulaegan pollinatorsandherbivoresinteractivelyshapeselectiononstrawberrydefenceandattraction AT annemuola pollinatorsandherbivoresinteractivelyshapeselectiononstrawberrydefenceandattraction AT amylparachnowitsch pollinatorsandherbivoresinteractivelyshapeselectiononstrawberrydefenceandattraction AT johanastenberg pollinatorsandherbivoresinteractivelyshapeselectiononstrawberrydefenceandattraction
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Pollinators and herbivores interactively shape selection on strawberry defence and attraction

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