Table 11-1. Conventional Soybean Herbicide Weed Control Ratings: Annual Grasses

Pub 75: Guide to Weed Control > Soybeans > Table 11-1. Conventional Soybean Herbicide Weed Control Ratings: Annual Grasses

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

Table of Contents

1. Soil Applied Grass Herbicides
2. Soil Applied Broadleaf Herbicides
3. Soil Applied Grass and Broadleaf Herbicides
4. Soil Applied Tank-Mixes
5. Postemergence Grass Herbicides
6. Postemergence Broadleaf Herbicides
7. Postemergence Grass and Broadleaf Herbicides
8. Postemergent Tank-Mixes
9. Conventional Soybean Herbicide Weed Control Ratings (Table 11-1) (PDF file - 59 kb)
   • Annual Broadleaf Weeds
   • Perennial Weeds
10. Herbicide Recommendations for Soybeans
    • Pre-Plant Burndown Herbicides
    • Soil Applied Grass Herbicides
    • Soil Applied Broadleaf Herbicides
    • Soil Applied Grass and Broadleaf Herbicides
    • Soil Applied Tank-mix Options
    • Postemergence Grass Herbicides
    • Postemergence Broadleaf Herbicides
    • Postemergence Grass and Broadleaf Herbicides
    • Postemergence Tank-mix Options
    • Spot Treatment
    • Wick Wiper and Roller Application
    • Preharvest
11. Stages of Soybean Leaf Development
12. Related Links

Soil Applied Grass Herbicides

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
Dual II Magnum (G)	9	9	8	8	9	9	9	4
Frontier, Frontier Max (G)	9	9	8	8	9	9	9	4
Treflan, Bonanza, Rival (G)	9	9	8	9	9	9	9	6

Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

- Insufficient information available to make a rating.
BOLD indicates the weed is listed on the product label for control or suppresssion.

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Soil Applied Broadleaf Herbicides

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
Firstrate (E)	0	0	0	0	0	0	0	0
Lorox (G)	5	5	5	5	5	5	5	5
Sencor (G)	7	6	7	5	5	5	8	3
Valtera (G)	3	3	3	5	5	5	3	-

- Insufficient information available to make a rating.
BOLD indicates the weed is listed on the product label for control or suppresssion.
Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

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Soil Applied Grass and Broadleaf Herbicides

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
Boundary (G)	9	9	8	8	9	9	9	5
Broadstrike Dual Magnum (E)	9	9	8	8	9	9	9	6
Command 360 ME (E)	9	9	-	-	9	9	-	-
Conquest1(G)	8	7	7	9	9	9	8	7
Pursuit (E)	8	7	7	9R	9R	9	8	7
Valor (E)	9	9	9	9	9	9	9	8

Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

- Insufficient information available to make a rating.
BOLD indicates the weed is listed on the product label for control or suppresssion.
¹ Indicates herbicide sold as a co-pack under this trade name.
^R Indicates populations resistant to this herbicide exist in Ontario and won't be adequately controlled if present.

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Soil Applied Tank-Mixes

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
Command 360 ME + Sencor (G)	9	9	-	-	9	9	-	-
Command 360 ME + Lorox (G)	9	9	-	-	9	9	-	-
Command 360 ME + Pursuit (E)	9	9	7	9	9	9	8	7
Command 360 ME + Dual II Magnum (E)	9	9	8	9	9	9	9	4
Dual + Lorox + Sencor (G)	9	9	8	8	9	9	9	5
Dual II Magnum + Lorox (G)	9	9	8	8	9	9	9	5
Dual II Magnum + Sencor (G)	9	9	8	8	9	9	9	5
Dual II Magnum + Pursuit (G)	9	9	8	8	9	9	9	7
Frontier + Sencor (G)	9	9	8	8	9	9	9	5
Frontier Max + Pursuit (G)	9	9	8	9	9	9	9	7
Pursuit + Firstrate (E)	8	7	7	9R	9R	9	8	7
Pursuit + Lorox (G)	8	7	7	9R	9R	9	8	7
Pursuit + Sencor (E)	8	7	7	9R	9R	9	8	5
Pursuit + Treflan, Bonanza, Rival (G)	9	9	8	9	9	9	9	7
Treflan, Bonanza, Rival + Sencor (G)	9	9	8	9	9	9	9	6

Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

BOLD numbers indicate the weed is listed on the product label for control or suppression.

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Postemergence Grass Herbicides

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
Assure II (E)	9	8	9	9	9	9	9	9
Excel Super (E)	9	8	9	9	9	9	9	9
Poast Ultra (E)	9	8	9	9	9	9	9	9
Select (E)	9	8	9	9	9	9	9	9
Venture L (E)	9	8	9	8	8	9	9	9

Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

BOLD numbers indicate the weed is listed on the product label for control or suppression.

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Postemergence Broadleaf Herbicides

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
Basagran, Basagran Forté (G)	0	0	0	0	0	0	0	0
Blazer (F)	0	0	0	0	0	0	0	0
Classic (G)	0	0	0	0	0	0	0	0
Firstrate (E)	0	0	0	0	0	0	0	0
Pinnacle (G)	0	0	0	0	0	0	0	0
Reflex (G)	0	0	0	0	0	0	0	0

Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

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Postemergence Grass and Broadleaf Herbicides

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
CleanSweep1 (G)	9	8	6	9R	9R	9	9	7
Pursuit (G)	9	8	6	9R	9R	9	9	7

Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

- Insufficient information available to make a rating.
BOLD numbers indicate the weed is listed on the product label for control or suppression.
¹ Indicates herbiciide sold as a co-pack under this trade name.

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Postemergence Tank-Mixes

Trade Name	Barnyard Grass	Crab-grass	Fall Panicum	Giant Foxtail	Green Foxtail	Yellow Foxtail	Witch Grass	Proso Millet
Assure II + Basagran Forté + Pinnacle (G)	9	8	9	9	9	9	9	9
Assure II + Pinnacle (G)	9	8	9	9	9	9	9	9
Assure II + Classic	9	8	9	9	9	9	9	9
Blazer + Basagran Forte (F)	0	0	0	0	0	0	0	0
Excel Super + Basagran Forté (G)	9	8	9	9	9	9	9	9
Excel Super + Basagran Forté + Pinnacle (G)	9	8	9	9	9	9	9	9
Excel Super + Pinnacle (G)	9	8	9	9	9	9	9	9
Pinnacle + Basagran Forté (G)	0	0	0	0	0	0	0	0
Pinnacle + Reflex (G)	0	0	0	0	0	0	0	0
Pursuit + Firstrate (G)	9	8	6	9R	9R	9	9	7
Pursuit + Reflex (G)	9	8	6	9R	9R	9	9	7
Venture L + Basagran (G)	9	8	9	8	8	8	9	8

Crop Tolerance Rating: E - Excellent: G - Good; F - Fair; P - Poor.

* The high rate or a sequential application will be needed to achieve this level of control.
c PPI timing is required to achieve this level of control.
- Insufficient information available to make a rating.
1 Indicates herbicides sold as a co-pack under this trade name.
^R Indicates populations resistant to this herbicide exist in Ontario and won't be adequately controlled if present.
BOLD numbers indicate the weed is listed on the product label for control or suppression.

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Related Links

• Weeds in Ontario
• Soybeans 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