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Links to information about identification, biology and control of problem weeds in corn
- University of Guelph Pest Diagnostic Clinic
- provides plant disease diagnoses, nematode counts, and insect and plant identifications
- Noxious Weeds in Ontario
- Ontario Vegetation Management Association
- Descriptions and photos of weeds regulated under the Ontario Weed Act
- Common Weed Seedlings of Michigan
- Michigan State University
- Common Weeds of No-Till Cropping Systems
- Purdue University
- Weed Identification Guide
- Novartis Crop Protection Canada
- Weed Identification Guide
- American Cyanamid
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- FarmLinePartners.com
- Insect and weed control information from Cyanamid
- Relative Emergence Sequence for Weeds of Corn and Soybeans
- Iowa State (PDF file)
Weed Idenfication Factsheets from Minnesota Extension Service
- Weed Seedling Identification
- Annual Broadleaf Weed Identification
- Annual Broadleaf Weed Seedling Identification
- Annual Grass and Perennial Weed Identification
- Annual Grass and Perennial Weed Seedling Identification
Factsheets from OMAFRA
- Quackgrass
- Coltsfoot
- Proso Millet
- Wild Mustard
- Field Bindweed
- The Perennial Ground Cherries
Factsheets from Michigan State IPM
- Canada Thistle
- Common Milkweed
- Field Bindweed and Hedge Bindweed
- Hemp Dogbane
- Horsenettle
- Jerusalem Artichoke
- Johnsongrass
- Perennial Sowthistle
- Quackgrass
- Smooth Groundcherry and Clammy Groundcherry
- Swamp Smartweed
- Wild Garlic and Wild Onion
- Wirestem Muhly
- Yellow Nutsedge
Factsheets from Penn State
- Management of Triazine-Resistant Pigweed and Lambsquarters (PDF file)
- Management of Eastern Black Nightshade in Agronomic Crops (PDF file)
- Managing Bur Cucumber in Agronomic Crops (PDF file)
- Controlling Yellow Nutsedge in Agronomic Crops (PDF file)
© 1997 Ontario Corn
Producers' Association.
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