Invasive plant suppresses the growth of native tree seedlings by disrupting belowground mutualisms

Kristina Ann Stinson, Stuart A. Campbell, Jeff R. Powell, Benjamin E. Wolfe, Ragan M. Callaway, Giles C. Thelen, Steve Hallett, Daniel Prati, John N. Klironomos

    Research output: Contribution to journalArticle

    683 Citations (Scopus)

    Abstract

    The impact of exotic species on native organisms is widely acknowledged, but poorly understood. Very few studies have empirically investigated how invading plants may alter delicate ecological interactions among resident species in the invaded range. We present novel evidence that antifungal phytochemistry of the invasive plant, Alliaria petiolata, a European invader of North American forests, suppresses native plant growth by disrupting mutualistic associations between native canopy tree seedlings and belowground arbuscular mycorrhizal fungi. Our results elucidate an indirect mechanism by which invasive plants can impact native flora, and may help explain how this plant successfully invades relatively undisturbed forest habitat.
    Original languageEnglish
    Number of pages5
    JournalPLoS Biology
    DOIs
    Publication statusPublished - 2006

    Open Access - Access Right Statement

    Copyright: 2006 Stinson et al. 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 author and source are credited

    Keywords

    • antifungal
    • belowground
    • ecology
    • invading plants
    • native plants
    • phytochemistry

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