Abstract
In the north of Spain, Cortaderia selloana plants have invaded ecosystems of high ecological value. Control of this species is carried out with the application of glyphosate-based formulations. The aim of this work was to determine, under microcosm conditions, the short-term (2 months) effects of the application of a glyphosate-based herbicide (Roundup®) on C. selloana rhizosphere microbial communities. To this purpose, before and after the application of Roundup®, several parameters that provide information on the biomass, activity and diversity of rhizosphere fungal and bacterial communities (enzyme activities, basal and substrate-induced respiration, potentially mineralizable nitrogen, nitrification potential rate, ergosterol content and community-level profiles with Biolog™ plates and ARISA) were determined. We observed a stimulation of some microbial parameters, in particular those related to fungal communities. Further research is needed to determine the long-term consequences of this short-term fungal stimulation for soil functioning.
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The authors acknowledge the support of research grant UPV/EHU-GV IT-299-07 from the Basque Government and the technical support provided by Azucena González from the Phytotron Service of UPV/EHU.
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M. Anza and L. Epelde contributed equally to this study.
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Anza, M., Epelde, L., Artetxe, U. et al. Control of Cortaderia selloana with a glyphosate-based herbicide led to a short-term stimulation of soil fungal communities. Environ Monit Assess 188, 631 (2016). https://doi.org/10.1007/s10661-016-5649-9
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DOI: https://doi.org/10.1007/s10661-016-5649-9