Ministry of Agriculture, Food and Rural Affairs

Weeds in Ontario

| Factsheets | Newsletters | Resources & Services | Stats & Facts | Crops Updates | Pests | Links |

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What's New in Weeds?

• Weed Pro 75 - herbicide selector for field corn

Most Popular Resources:

• Problem Weed Control in Field Crops
• Weeds Act - Frequently Asked Questions
• Responsible Glyphosate Use in Field Crops
• Weed Profile - Chess, Bromus secalinus L.
• Ontarioweeds.com - Weed identification and management database
• Ontario Weeds - Weed Gallery
• Publication 75, Guide to Weed Control
• Weed Pro 75 - herbicide selector for field corn
• Resistant Weeds in Ontario

Articles - Field Crops

• For previous articles see Index of Newsletter Articles on Weed Management - Field Crops

Articles - Horticultural Crops

• For previous articles see Index of Newsletter Articles on Weed Management - Horticultural Crops

New Weed Publications

• Problem Weed Control in Field Crops
• Publication 75, Guide to Weed Control
• OMAFRA Crop Publications
• OMAFRA Field Pocket Guide - A Practical Tool To Record Crop Management Activities
• Prickly Lettuce (Order No. 03-041)
• Strawberry Weed Management - New Brunswick Strawberry IPM Guide
• Wild Mustard (Order No. 03-043)

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Factsheets, Infosheets & Publications

| What's New In Weeds? | Weed Biology | Field Crops | Horticultural Crops |

Weed Biology

• Annual Broadleaves
  • Annual Nightshades (Order No. 94-075)
  • Bedstraw - Weed Control - Be On The Lookout For "Smooth Bedstraw"
  • Cocklebur (Order No. 01-005)
  • Coltsfoot
  • Pigweeds (Redroot, Green and Smooth) (Order No. 01-009)
  • Prickly Lettuce (Order No. 03-041)
  • Wild Mustard (Order No. 03-043)
• Grasses
  • Proso Millet (Order No. 87-025)
  • Quackgrass
  • Rough Bluegrass (Order No. 92-054)
• Herbicide Resistant Weeds (Order No. 01-023)
• Newletter Article Index: Weed Biology
  • Annual Broadleaf Weeds
  • Annual Grassy Weeds
  • Perennial Weeds
• Ontario Noxious Weeds
  • Weeds Act - Frequently Asked Questions
  • OMAF Poisonous Plant Quiz
• Perennial Weeds
  • Field Bindweed (Order No. 01-007)
  • Jerusalem Artichoke (Order No. 94-077)
  • Quackgrass
  • The Perennial Ground Cherries
• Weeds in Ontario
  • Ontario Weeds (Publication 505)
  • Ontario Weeds - Weed Gallery
• Problem Weed Series:
  • Problem Weed Control in Field Crops
• Poisonous Plants
  • Common Weeds Poisonous to Grazing Livestock
  • Poison Ivy (Order No. 99-015)
  • Poisoning of Horses by Plants
  • Poisoning of Livestock by Plants (Order No. 87-016)
• Resources for Weed Management - A Listing of Books, Videos, Software & Courses

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Weed Management in Field Crops

• What's New In Weeds?
  • Sprayer Calibration Calculator
• Basics of Weed Management
  • Publication 75, Guide to Weed Control
  • Herbicide Companies and Agencies
• Beans
  • Publication 75, Guide to Weed Control
  • Managing Weed Series: from Agronomy Guide for Field Crops
    • Weed Control: Crop Yield Losses Due to Weeds
• Cereals
  • Publication 75, Guide to Weed Control
• Managing Weed Series: from Agronomy Guide for Field Crops
  • Weed Control: Crop Yield Losses Due to Weeds
• Corn
  • Publication 75, Guide to Weed Control
  • Managing Weed Series: from Agronomy Guide for Field Crops
    • Weed Control: Crop Yield Losses Due to Weeds
• Forages
  • Publication 75, Guide to Weed Control
  • Managing Weed Series: from Agronomy Guide for Field Crops
    • Weed Control: Crop Yield Losses Due to Weeds
• Herbicide Information - Chemical Weed Control Products Used in Ontario:
  • Notes on Herbicides and Adjuvants
  • Herbicide Companies and Agencies
  • Herbicide Injury Image Gallery
    • Spring and Winter Canola: Herbicide Injury
    • Cereals: Herbicide Injury
    • Corn: Herbicide Injury
    • Dry Edible Beans: Herbicide Injury
    • Soybeans: Herbicide Injury
  • Herbicide Mode of Action Categories (Order No. 00-061)
  • Herbicide Resistant Weeds (Order No. 01-023)
• Integrated Weed Management
  • Managing Weeds Series: Agronomy Guide
    • Field Scouting
      • Field Scouting
• Newletter Article Index: Field Crops
  • Field Crops
  • Other Information
  • Application Technology
• Other Field Crops
  • Publication 75, Guide to Weed Control
  • Managing Weed Series: from Agronomy Guide for Field Crops
    • Weed Control: Crop Yield Losses Due to Weeds
• Resources for Weed Management - A Listing of Books, Videos, Software & Courses
• Soybeans
  • Publication 75, Guide to Weed Control
  • Managing Weed Series: from Agronomy Guide for Field Crops
    • Weed Control: Crop Yield Losses Due to Weeds

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  Weed Management in Horticultural Crops

  • What's New In Weeds?
  • Sprayer Calibration Calculator
  • Basics of Weed Management
    • Publication 75, Guide to Weed Control
      • Herbicide Companies and Agencies
    • Fruit Crops
      • Publication 75, Guide to Weed Control
      • Strawberry Weed Management - New Brunswick Strawberry IPM Guide
      • Newsletter Article Index: Fruit Crops
    • Herbicide Information - Chemical Weed Control Products Used in Ontario:
      • Herbicide Companies and Agencies
      • Herbicide Injury Image Gallery
        • Apples
        • Blueberries
        • Raspberries
        • Strawberries
      • Herbicide Mode of Action Categories (Order No. 00-061)
      • Herbicide Resistant Weeds (Order No. 01-023)
    • Newsletter Article Index:
      • Fruit Crops
      • Vegetable Crops
      • Specialty Crops
      • Other Information
    • Ornamentals
      • Publication 75, Guide to Weed Control
      • Newsletter Article Index: Specialty Crops
    • Roadsides and Rights-of-Way
      • Publication 75, Guide to Weed Control
    • Resources for Weed Management - A Listing of Books, Videos, Software & Courses
    • Vegetables
      • Publication 75, Guide to Weed Control
      • Newsletter Article Index: Vegetable Crops

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      Application Technology

      • What's New In Weeds?
      • Publication 75, Guide to Weed Control
        • Sprayer Calibration
          • Field Sprayer and Hand/Backpack Sprayer Calibration (Interactive)
          • Calibrating Airblast Sprayers
      • Newletter Article Index: Application Technology
        • Calibration
        • Nozzles
        • Spraying Techniques
        • Drift Reduction
      • OMAFRA Sprayer Calibration Calculator - Field and Backpack Sprayers
      • Resources for Weed Management - A Listing of Books, Videos, Software & Courses
      • Ways To Avoid Pesticide Spills (Order No. 96-025)

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      Newsletters

      • Other Newsletters Online (external link list)
      • OMAF Newsletters
        • Crop-Pest Ontario
        • Crop Talk
        • Grower Notes - The Ontario Floriculture Update
        • Hort Matters
        • Ontario Berry Grower
        • Orchard Network
        • The Tender Fruit Grapevine
        • Vegetable Viewpoint

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      Resources & Services

      • Agriphone Numbers
      • Agriculture Development Branch Staff Directory
      • Herbicide Companies and Agencies
      • Laboratories for Leaf Analysis
      • Laboratories Accredited for Soil Testing
      • Resources for Weed Management - A Listing of Books, Videos, Software & Courses
      • Sources of Crop Inputs
        • Cover Crop Seed Suppliers
        • Plasticulture Suppliers
        • Pest Monitoring Equipment Suppliers (Partial List)
        • Safety Supply Companies in Ontario Providing Protective Clothing or Equipment
        • Sources of Nursery and Landscape Supplies / Service

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        Stats & Facts

        • Ontario Field Crops Statistics
        • Ontario Horticultural Crop Statistics
        • Overview Of Canadian Horticultural Industry

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        Crops Updates

        • Ontario Field Crop Report
        • Sound Advice - Audio Crop Updates
        • What's Hot?- Weeds
        • Crop and Pest Updates

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        Insects, Diseases & Weeds

        • Insect Factsheets & Infosheets
        • Disease Factsheets & Infosheets
        • Weed Factsheets & Infosheets
        • OMAFRA Poisonous Plant Quiz
        • OMAFRA Sprayer Calibration Calculator
        • Pesticide Information