Agroecosystems shape population genetic structure of the greenhouse whitefly in Northern and Southern Europe
Ovcarenko, I., Kapantaidaki, D. E., Lindström, L., Gauthier, N., Tsagkarakou, A., Knott, E., & Vänninen, I. (2014). Agroecosystems shape population genetic structure of the greenhouse whitefly in Northern and Southern Europe. BMC Evolutionary Biology, 14, Article 165. https://doi.org/10.1186/s12862-014-0165-4
Julkaistu sarjassa
BMC Evolutionary BiologyTekijät
Päivämäärä
2014Oppiaine
Ekologia ja evoluutiobiologiaBiologisten vuorovaikutusten huippututkimusyksikköEcology and Evolutionary BiologyCentre of Excellence in Biological Interactions ResearchTekijänoikeudet
© 2014 Ovcarenko et al.; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
Background: To predict further invasions of pests it is important to understand what factors contribute to the
genetic structure of their populations. Cosmopolitan pest species are ideal for studying how different
agroecosystems affect population genetic structure within a species at different climatic extremes. We undertook
the first population genetic study of the greenhouse whitefly (Trialeurodes vaporariorum), a cosmopolitan invasive
herbivore, and examined the genetic structure of this species in Northern and Southern Europe. In Finland, cold
temperatures limit whiteflies to greenhouses and prevent them from overwintering in nature, and in Greece, milder
temperatures allow whiteflies to inhabit both fields and greenhouses year round, providing a greater potential for
connectivity among populations. Using nine microsatellite markers, we genotyped 1274 T. vaporariorum females
collected from 18 greenhouses in Finland and eight greenhouses as well as eight fields in Greece.
Results: Populations from Finland were less diverse than those from Greece, suggesting that Greek populations are
larger and subjected to fewer bottlenecks. Moreover, there was significant population genetic structure in both
countries that was explained by different factors. Habitat (field vs. greenhouse) together with longitude explained
genetic structure in Greece, whereas in Finland, genetic structure was explained by host plant species. Furthermore,
there was no temporal genetic structure among populations in Finland, suggesting that year-round populations are
able to persist in greenhouses.
Conclusions: Taken together our results show that greenhouse agroecosystems can limit gene flow among
populations in both climate zones. Fragmented populations in greenhouses could allow for efficient pest
management. However, pest persistence in both climate zones, coupled with increasing opportunities for
naturalization in temperate latitudes due to climate change, highlight challenges for the management of
cosmopolitan pests in Northern and Southern Europe.
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Julkaisija
BioMed Central Ltd.ISSN Hae Julkaisufoorumista
1471-2148
Alkuperäislähde
http://www.biomedcentral.com/1471-2148/14/165Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/23776744
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This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
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