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Invasive Species: Garlic Mustard

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Emma Borjigin-Wang

on 5 May 2014

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Transcript of Invasive Species: Garlic Mustard

Invasive Species: Garlic Mustard
Garlic Mustard: The Problem
An Invasive Weed
Alliaria petiolata
Current range
Ecological consequences
loss of plant biodiversity - native wildflowers, tree saplings
impact on insect populations, especially butterflies
biological control
manual removal
Garlic mustard as representative
Works cited
Munching on garlic mustard. (2009, July). Retrieved from http://www.ars.usda.gov/
Why is it so pervasive?
can grow in a range of environments
biennial, with a rapid growth period
self-fertilizing and can produce hundreds to thousands of hardy seeds per plant
few checks to growth in non-native environments
deer clear out native species
Other mechanisms
of competition
Garlic mustard plants release allelochemicals that suppress arbuscular mycorrhizal fungi
Displacing native species
biennial herb
grows in forests and disturbed areas
garlic scent
anything beneficial?
downstream effects
Works cited cont'd
Garlic Mustard (Alliaria petiolata). (2010, November 11). Retrieved May 4, 2014, from
Anderson, R. C., Dhillion, S. S., & Kelley, T. M. (1996). Aspects of
the ecology of an invasive plant, garlic mustard (Alliaria petiolata), in central Illinois. Restoration Ecology, 4(2), 181-191. doi: 10.1111/j.1526-100X.1996.tb00118.x
Simberloff, D., & Stiling, P. (1996). How risky is biological control?. Ecology, 77(7),
1965-1974. doi: 10.2307/2265693
Zimmer, C. (2011, February 24). Alien species reconsidered:
Finding a value in non natives. Retrieved from http://e360.yale.edu/feature/alien_species_reconsidered_ finding_a_value_in_non-natives/2373/
Stinson, K. A., Campbell, S. A., Powell, J. R., Wolfe, B. E., Callaway, R. M.,
Thelen, G. C., Hallett, S. G., & Prati, D. (2006). Invasive plant suppresses the growth of native tree seedlings by disrupting belowground mutualisms. PLoS Biology, 12(2), doi: 10.1371/journal.pbio.1001817
Blossey, B., Nuzzo, V. A., Hinz, H. L., & Gerber, E. (2002). Garlic mustard.
Retrieved from http://dnr.state.il.us/stewardship/cd/biocontrol/29garlicmustard.html
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