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Michigan State University's garlic mustard research
View pdf file of 2005 Progress Report: Evaluating the Potential for Biological Control of Garlic Mustard in Michigan.

While Michigan has extensive garlic mustard infestations, we currently lack baseline population data on garlic mustard, its impacts on non-target plants and the potential for biological control to help manage this insect. The objectives of our current research are to:

1. Conduct pre-release evaluation of garlic mustard populations and distribution in Michigan.

2. Evaluate potential impact of herbivore feeding on population regulation in garlic mustard.

To date we have established eight long-term garlic mustard monitoring sites in the southern Lower Peninsula of Michigan. These sites span a mixture of forest types from dry hardwood (oak-hickory associations) to wetter sites (beech-maple associations).

Garlic mustard growing on and around a stump. Photo credit: Douglas A. Landis

We have characterized the forest plant community at each of these sites and established permanent quadrats to evaluate population changes in garlic mustard and non-target plant species. In addition, we established studies at two of these locations that will allow us to assess the level of herbivore impact necessary to regulate garlic mustard population dynamics.

Our research is supported by funding from:
Michigan Department of Natural Resources - Wildlife Division
Michigan Department of Military and Veterans Affairs - Environmental Division
The Nature Conservancy - Michigan Chapter
Michigan Agricultural Experiment Station
Michigan State University Extension
Healthy forest floor. Photo credit: Douglas A. Landis  

For more information contact: Dr. Doug Landis, landisd@msu.edu, and Jeff Evans, evansj18@msu.edu

Information prepared by: Doug Landis, Jeff Evans, Department of Entomology, Michigan State University.
Funding support: Michigan Department of Agriculture - Pesticide and Plant Pest Management Division,
the Michigan Agricultural Experiment Station, MSU Extension.

Updated 04/08/08. Web designer: J.N. Landis, MSU IPM Program. Return to MSU IPM Program
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