Table 9-2. Additional Weed Control Ratings for Conventional Corn (Field, Seed and Sweet): Annual and Biennial Broadleaves
Excerpt from 2010-11 Chapter 9, Publication 75, Guide to Weed Control, Order this publication
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Table
of Contents|
Trade Name
|
Bur-cucumber | Biennial wormwood | Common chickweed | Flower-of-an-hour | Prickly lettuce | Nipplewort |
|---|---|---|---|---|---|---|
| – | – | – | – | – |
– |
|
| – | – | – | – | – |
– |
|
| – | – | – | – | – |
– |
| Trade Name | Spreading atriplex | Swamp smartweed | Three-seeded mercury | Water- hemp |
Wild carrot | Wood-sorrel (oxalis) |
|---|---|---|---|---|---|---|
| Dual II Magnum | – | – | – | 6* | – | – |
| Frontier | – | – | – | 6* | – | – |
| Prowl | – | – | – | – | – | – |
– Insufficient information available to make a rating.
* - Ratings with an asterisk indicate the weed is listed on the product
label for control or suppresssion.
|
Trade Name
|
Bur-cucumber | Biennial wormwood | Common chickweed | Flower-of-an-hour | Prickly lettuce | Nipplewort |
|---|---|---|---|---|---|---|
|
atrazine**
|
5 | – | 9 | – | – |
– |
| – | – | – | – | – |
– |
|
| 5 | – | 9 | – | – |
– |
|
Trade Name
|
Spreading atriplex | Swamp smartweed | Three-seeded mercury | Water- hemp |
Wild carrot | Wood-sorrel (oxalis) |
|---|---|---|---|---|---|---|
|
atrazine**
|
– | 2 | 9 | 0 | – | 9 |
| – | 4 | 9 | 9* | – | – | |
| 6 | 3 | 9 | 8 | – | 9 |
– Insufficient information available to make a rating.
* - Ratings with an asterisk indicate the weed is listed on the product
label for control or suppresssion.
** - Various formulations available, see Table
4-1, Herbicides Used in Ontario
|
Trade Name
|
Bur-cucumber | Biennial wormwood | Common chickweed | Flower-of-an-hour | Prickly lettuce | Nipplewort |
|---|---|---|---|---|---|---|
| – | – | – | – | – |
– |
|
|
Converge
XT1 or Converge Flexx + atrazine**
|
5 | – | 9 | – | – |
– |
| 5 | – | – | – | – |
– |
|
Trade Name
|
Spreading atriplex | Swamp smartweed | Three-seeded mercury | Water- hemp |
Wild carrot | Wood-sorrel (oxalis) |
|---|---|---|---|---|---|---|
| – | – | – | – | – | – | |
|
Converge
XT1 or Converge Flexx + atrazine**
|
7 | 4 | 9 | 9* | – | 9 |
| – | – | – | 9* | – | – |
– Insufficient information available to make a rating.
1 - Indicates herbicides sold as a co-pack under this trade
name.
|
Trade Name
|
Bur-cucumber | Biennial wormwood | Common chickweed | Flower-of-an-hour | Prickly lettuce | Nipplewort |
|---|---|---|---|---|---|---|
| – | – | – | – | – |
– |
|
| – | – | – | – | – |
– |
|
| – | – | – | – | – |
– |
|
Trade Name
|
Spreading atriplex | Swamp smartweed | Three-seeded mercury | Water- hemp |
Wild carrot | Wood-sorrel (oxalis) |
|---|---|---|---|---|---|---|
| – | – | – | – | – | – | |
| – | – | – | – | – | – | |
| – | – | – | – | – | – |
– Insufficient information available to make a rating.
* - Ratings with an asterisk indicate the weed is listed on the product
label for control or suppresssion.
|
Trade Name
|
Bur-cucumber | Biennial wormwood | Common chickweed | Flower-of-an-hour | Prickly lettuce | Nipplewort |
|---|---|---|---|---|---|---|
|
atrazine**
+ oil
|
5 | 8 | 9 | 7 | – |
9 |
| 2 | 9 | 9 | 9 | 8 |
9 |
|
| 4 | – | 9 | – | – |
6 |
|
| 2 | 9 | 9 | 9 | 8 |
9 |
|
| 6 | 8 | – | – | – |
– |
|
|
Marksman,
Propero
|
6 | 9 | 9 | 9 | 9 |
9 |
| 8* | 9 | 9 | 9 | 8 |
9 |
|
| 3 | 8 | 9 | 8 | 8 |
6 |
|
| 6 | 9 | 9 | 9 | 8 |
9 |
|
Trade Name
|
Spreading atriplex | Swamp smartweed | Three-seeded mercury | Water- hemp |
Wild carrot | Wood-sorrel (oxalis) |
|---|---|---|---|---|---|---|
|
atrazine**
+ oil
|
2 | 0 | 9 | 0 | 2 | 9 |
| 7 | 6 | 7 | 9 | 6 | 9 | |
| 5 | – | 0 | 9* | 8 | – | |
| 7 | 5 | 9 | 9* | 8 | – | |
| – | – | – | – | – | – | |
|
Marksman,
Propero
|
7 | 3 | 9 | 9* | 9 | – |
| 9 | 1 | 9 | 9 | 7 | – | |
| 7 | 6 | 8 | 6 | 9 | – | |
| – | 0 | 9 | 9 | – | – |
– Insufficient information available to make a rating.
1 - Indicates herbicides sold as a co-pack under this trade
name.
* - Ratings with an asterisk indicate the weed is listed on the product
label for control or suppresssion.
** - Various formulations available, see Table
4-1, Herbicides Used in Ontario
|
Trade Name
|
Bur-cu- cumber |
Biennial
worm- wood |
Common
chick- weed |
Flower-of-an-hour | Prickly lettuce | Nipple- wort |
|---|---|---|---|---|---|---|
| – | – | – | – | – |
– |
|
| – | – | – | – | 9 |
– |
|
| – | – | – | – | – |
– |
|
| – | – | – | – | – |
– |
|
| – | – | – | – | 9 |
– |
|
| 6 | – | – | – | – |
– |
|
| – | – | – | – | – |
– |
|
Trade Name
|
Spreading atriplex | Swamp
smart- weed |
Three-seeded mercury | Water- hemp |
Wild carrot | Wood-sorrel (oxalis) |
|---|---|---|---|---|---|---|
| – | 5 | – | 9* | 8 | – | |
| – | – | – | – | – | – | |
| – | – | 7 | – | – | – | |
| – | – | – | 9* | 8 | – | |
| – | 5 | 9 | – | – | – | |
| – | 5 | 9 | – | – | – | |
| – | – | 8 | – | – | – |
– Insufficient information available to make a rating.
* - Ratings with an asterisk indicate the weed is listed on the product
label for control or suppresssion.
** - Various formulations available, see Table
4-1, Herbicides Used in Ontario..
1 - Indicates herbicides sold as a co-pack under this trade
name.
Related Links
- Weeds in Ontario
- Corn 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
For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
| Author: | OMAFRA Staff |
|---|---|
| Creation Date: | 25 November 2002 |
| Last Reviewed: | 30 January 2010 |