Table 10-1. Forage Herbicide Weed Control Ratings: Annual Broadleaf Weeds

Excerpt from 2010-11 Publication 75, Guide to Weed Control, Order this publication

Table of Contents

1. Soil Applied Grass Herbicides
2. Postemergence Grass Herbicides
3. Postemergence Broadleaf Herbicides
4. Postemergence Grass and Broadleaf Herbicides
5. Postemergent Tank-Mixes
6. Forage Crops Herbicide Weed Control Ratings (Table 10-1) (PDF file - 64 kb)
   • Annual Grasses
   • Perennial Weeds
7. Herbicide Recommendations for:
• Forage Legumes
• Forage Sorghum and Forage Millet
• Pasture Renovation with Bird's-foot Trefoil
• Pastures (mostly grasses)
8. Stages of Leaf Development
   • Alfalfa, Red Clover Ladino, Aslike and Black Medic
   • Bird's-foot Trefoil
9. Related Links

- Insufficient information available to make a rating.
* Indicates the weed is listed on the product label for control or suppression.
** Various formulations available, see Table 4-1. Herbicides Used in Ontario. See label for specific uses and rates.
**Crop Registrations:
As - alfalfa (seedling only); Bs - birdsfoot trefoil (seedling only)

- Insufficient information available to make a rating.
* Indicates the weed is listed on the product label for control or suppression.
** Various formulations available, see Table 4-1. Herbicides Used in Ontario. See label for specific uses and rates.
¹ - For seed crops only.
**Crop Registrations:
A - alfalfa (seeding and established); As - alfalfa (seedling only); Ae - alfalfa (established only)
B - birdsfoot trefoil (seedling and established); Be - birdsfoot trefoil (established only)
C - clovers (seedling and established); Gs - forage grasses (seedling only)

- Insufficient information available to make a rating.
* Indicates the weed is listed on the product label for control or suppression.
** Various formulations available, see Table 4-1. Herbicides Used in Ontario. See label for specific uses and rates.
² - Do not use on sweet clover.
³ - On established legumes, use fall spot treatment only.
⁴ - Clovitox Plus and Topside not for established clovers.
***Crop Registrations:
A - alfalfa (seeding and established); As - alfalfa (seedling only); Ae - alfalfa (established only)
B - birdsfoot trefoil (seedling and established); C - clovers (seedling and established)
G - forage grasses and grass pasture; G - forage grasses and grass pasture
S - forage sorghum and pearl millet

- Insufficient information available to make a rating.
* - Indicates the weed is listed on the product label for control or suppression.
** Various formulations available, see Table 4-1. Herbicides Used in Ontario. See label for specific uses and rates.
¹ - For seed crops only.
⁵ - Simadex not for alfalfa
**Crop Registrations:
As - alfalfa (seedling only); Ae - alfalfa (established only);
Be - birdsfoot trefoil (established only)
Ce - clovers (established only)

- Insufficient information available to make a rating.
* Indicates the weed is listed on the product label for control or suppression.
** Various formulations available, see Table 4-1, Herbicides Used in Ontario. See label for specific uses and rates.
² - Do not use on sweet clover.
³ - On established legumes, use fall spot treatment only.

***Crop Registrations: As - alfalfa (seedling only); G - forage grasses and grass pasture

Related Links

• Weeds in Ontario
• Forage and Pasture in Ontario
• Problem Weed Control in Field Crops
• Integrated Pest Management (IPM)
• Pesticide Application and Safety
• Pesticide Companies and Agents
• OMAFRA Sprayer Calibration Calculator
• Search the PMRA website
• OMAFRA Publication 505: Ontario Weeds
• OMAFRA Publication 75: Guide To Weed Control