Table 11-1. Soybean Herbicide Weed Control Ratings: Perennial Weeds

Pub 75: Guide to Weed Control > Soybeans > Table 11-1. Soybean Herbicide Weed Control Ratings: Perennial Weeds

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. Soybean Herbicide Weed Control Ratings (Table 11-1) (PDF file - 59 kb)
   • Annual Grasses
   • Broadleaf 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	Field Bindweed	Horsetail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
Dual II Magnum (G)	0	0	0	8c	0	0	0
Frontier, Frontier Max (G)	0	0	0	8c	0	0	0
Treflan, Bonanza, Rival (G)	2	2	2	2	2	2	2

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

---

Soil Applied Broadleaf Herbicides

Trade Name	Field Bindweed	Horsetail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
Firstrate (E)	-	2	-	-	2	6	-
Lorox (G)	2	2	2	2	2	2	2
Sencor (G)	2	2	2	2	2	2	2
Valtera (G)	-	-	-	-	-	-	-

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

---

Soil Applied Grass and Broadleaf Herbicides

Trade Name	Field Bindweed	Horsetail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
Boundary (G)	2	2	2	7	2	2	2
Broadstrike Dual Magnum (E)	2	8	-	8c	0	3	4
Command 360 ME (E)	-	-	-	-	-	-	-
Conquest1(G)	2	2	2	7	6	2	2
Pursuit (E)	2	2	2	7	6	2	2
Valor (E)	2	2	2	7	6	2	2

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.

---

Soil Applied Tank-Mixes

Trade Name	Field Bindweed	Horsetail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
Command 360 ME + Sencor (G)	-	-	-	-	-	-	-
Command 360 ME + Lorox (G)	-	-	-	-	-	-	-
Command 360 ME + Pursuit (E)	-	-	-	7	-	-	-
Command 360 ME + Dual II Magnum (E)	-	-	-	8	-	-	-
Dual + Lorox + Sencor (G)	2	2	2	7	2	2	2
Dual II Magnum + Lorox (G)	2	2	2	7	2	2	2
Dual II Magnum + Sencor (G)	2	2	2	7	2	2	2
Dual II Magnum + Pursuit (G)	2	2	2	7	6	2	2
Frontier + Sencor (G)	2	2	2	8c	2	2	2
Frontier Max + Pursuit (G)	2	2	2	7	6	2	2
Pursuit + Firstrate (E)	2	2	2	7	6	2	2
Pursuit + Lorox (G)	2	2	2	7	6	2	2
Pursuit + Sencor (G)	2	2	2	7	6	2	2
Pursuit + Treflan, Bonanza, Rival (G)	2	2	2	7	6	2	2
Treflan, Bonanza, Rival + Sencor (G)	2	2	2	2	2	2	2

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

---

Postemergence Grass Herbicides

Trade Name	Field Bindweed	Horsetail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
Assure II (E)	0	0	0	0	9	0	0
Excel Super (E)	0	0	0	0	4	0	0
Poast Ultra (E)	0	0	0	0	6	0	0
Select (E)	0	0	0	0	7	0	0
Venture L (E)	0	0	0	0	8	0	0

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

---

Postemergence Broadleaf Herbicides

Trade Name	Field Bindweed	Horsetail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
Basagran Forté (G)	5	2	2	8	0	5	7
Blazer (F)	7	6	5	2	2	6	6
Classic (G)	2	2	8	8	2	8	4
Firstrate (E)	-	2	-	-	2	7	7
Pinnacle (G)	2	2	2	2	2	2	2
Reflex (G)	3	6	2	-	0	5	3

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

---

Postemergence Grass and Broadleaf Herbicides

Trade Name	Field Bindweed	Horsetail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
CleanSweep1 (G)	5	2	2	8	2	5	7
Pursuit (G)	2	2	2	7	2	2	2

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.
1 Indicates herbicides sold as a co-pack under this trade name.
BOLD numbers indicate the weed is listed on the product label for control or suppression.

---

Postemergence Tank-Mixes

Trade Name	Field Bindweed	Horse-tail	Milk-weed	Nut sedge	Quack-grass	Sow-thistle	Canada thistle
Assure II + Basagran Forté + Pinnacle (G)	6	2	2	8	9	5	7
Assure II + Pinnacle (G)	2	2	2	2	9	2	2
Assure II + Classic	2	2	8	8	9	8	4
Blazer + Basagran Forte (F)	7	6	5	8	2	6	7
Excel Super + Basagran Forté (G)	6	2	2	8	4	5	7
Excel Super + Basagran Forté + Pinnacle (G)	6	2	2	8	4	5	7
Excel Super + Pinnacle (G)	2	2	2	2	4	2	2
Pinnacle + Basagran Forté (G)	6	2	2	8	1	5	7
Pinnacle + Reflex (G)	-	-	-	-	-	-	-
Pursuit + Firstrate (G)	2	2	-	7	2	7	7
Pursuit + Reflex (G)	2	2	2	7	2	2	2
Reflex Venture L (G)	3	6	2	-	0	5	3
Venture L + Basagran (G)	6	2	2	8	9	5	7

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.

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