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Garlic Mustard (Alliaria petiolata) Removal Method Affects Native Establishment

Published online by Cambridge University Press:  20 January 2017

E. Kathryn Barto
Department of Biological Sciences, Wright State University, Dayton, OH 45435
Don Cipollini
Department of Biological Sciences, Wright State University, Dayton, OH 45435
E-mail address:


We used a growth chamber experiment with first-year garlic mustard plants to explore the effects of three garlic mustard removal techniques (treatment with glyphosate, pulling out the entire plant, and clipping the shoot) on growth of the native herb pale jewelweed and its associated mycorrhizal fungi. We also explored the effects of activated carbon and mycorrhizal inocula amendments. We monitored plant height, intra- and extraradical mycorrhizal structures, root growth, and the fractal dimension of the root system. Removing as much garlic mustard root tissue as possible by hand pulling plants led to larger jewelweed plants than other removal methods. Activated carbon and mycorrhizal inocula did not improve plant growth.

Copyright © Weed Science Society of America 

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