Extension > Agriculture > Crops > Corn Production > Pest management
Pest management
Weed management
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Weed management website
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Control volunteer corn for yield protection and corn rootworm management
Volunteer corn impacts and control options
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Soil residual herbicide options after corn emergence
Many, but not all, soil-applied corn herbicides can be applied after corn emergence.
Disease and nematode management
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Corn diseases
The University of Minnesota Extension's website on corn diseases, including information on disease overviews, symptoms, and management options.
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Field guide to corn diseases
An extensive guide to identification of common corn diseases in the United States, including color photographs of corn diseases to aid in identification.
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Watch for potential corn ear rots and mycotoxins after dry and hot weather in parts of Minnesota
Development of corn ear and kernel rots and associated mycotoxins in grain may be favored by the dry and hot weather in some areas of Minnesota. Crop News, 2012.
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Goss's wilt in Minnesota
A summary of key points about Goss's Wilt, including where it has been confirmed in Minnesota, factors that favor its development, and how to recognize it. Crop News, 2012.
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Corn nematodes
A fact sheet prepared by the University of Minnesota's Plant Disease Clinic, including an appraisal of the corn nematode problem. Crop News, 2010.
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Corn seedling diseases
While the stress of cool conditions and frost may only set back the corn slightly, it could also set up a situation for seedling disease in some areas. Crop News, 2010.
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Fungal growth on corn in Minnesota in fall 2009
Recently there have been numerous reports of "moldy corn" across Minnesota. Fungal growth on corn can cause greater problems with grain quality if the corn is not harvested and dried properly. Crop News, 2009.
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Fungicide for corn? The influence of agronomic factors
Research conducted in southern Minnesota shows that the use of foliar fungicide for corn in the absence of disease is not considered a "best management practice" from an integrated pest management standpoint. Crop News, 2009.
Insect management
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Integrated Pest Management
Research findings, pest management tips, and upcoming events presented by the University of Minnesota's Southwest Research & Outreach Center.
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Black cutworm (Agrostis ipsilon Hufnagel)
Black cutworm identification and life cycle in Minnesota, its damage to corn and management strategies.
Should I reduce the Bt trait acreage in the 2017 corn crop to cut production costs?
Consider yield potential and insect pressure when assessing the need for Bt trait protection. Crop News, 2017
Aphids in corn: The dilemma of post–pollination infestations
Crop News, 2015
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Performance problems surface again with Bt corn rootworm traits
With injury largely completed and corn rootworm emergence peaking, now is the time to check fields for signs or symptoms of performance problems with your Bt-RW traits. Crop News, 2012.
