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2019

Invasive species

Ecology, Evolution and Organismal Biology Publications

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Full-Text Articles in Life Sciences

Mycorrhizal Colonization And Its Relationship With Plant Performance Differs Between Exotic And Native Grassland Plant Species, Aleksandra Checinska Sielaff, H. Wayne Polley, Andres Fuentes-Ramirez, Kirsten Hofmockel, Brian J. Wilsey Jan 2019

Mycorrhizal Colonization And Its Relationship With Plant Performance Differs Between Exotic And Native Grassland Plant Species, Aleksandra Checinska Sielaff, H. Wayne Polley, Andres Fuentes-Ramirez, Kirsten Hofmockel, Brian J. Wilsey

Ecology, Evolution and Organismal Biology Publications

Many grasslands have been transformed by exotic species with potentially novel ecological interactions. We hypothesized that exotic and native plant species differ, on average, in their percentage mycorrhizal colonization, and that mycorrhizal colonization is positively related to plant performance in the field. We compared colonization by arbuscular mycorrhizae (AM) fungi in perennial native and exotic species that were paired phylogenetically and by functional groups and grown under a common environment in field plots in Central Texas, USA. Roots were collected from plants in monoculture plots, stained, and percent colonization was assessed with a microscope. Aboveground biomass and dominance in mixture ...