Herbicide Recommendations for Corn: Preemergence and Early Postemergence Grass and Broadleaf Herbicides
Excerpt from 2010-11 Chapter 9, Publication 75, Guide to Weed Control, Order this publication
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Table
of Contents| Trade Name | Elim EP | + Dual II Magnum | + Banvel II |
|---|---|---|---|
| Active Ingredient |
rimsulfuron
|
+ s-metolachlor/ benoxacor
|
+ dicamba
|
| Formulation |
25 DF
|
915 g/L
|
480 g/L
|
| Rate per hectare (active) |
15 g/ha
|
684 g/ha
|
360 g/ha
|
| Rate per hectare (product) |
60 g/ha
|
0.75 L/ha
|
0.75 L/ha
|
| Rate per acre (product) |
24 g/ac
|
0.3 L/ac
|
0.3 L/ac
|
1 - indicates product sold as a co-pack.
Precautions
- Apply PRE.
- See precautions for Banvel II or Oracle applied alone.
- Do NOT incorporate.
- Battalion1 can be applied with 28% UAN as a carrier (PRE only).
- For suppression of quackgrass apply Battalion1 at the 1-6 leaf stage of quakcgrass
- Do NOT use on seed corn or sweet corn.
- Battalion1 is a co-pack of Elim EP, Dual II Magnum and Banvel II.
| Trade Name | Elim EP | + Dual II Magnum | + Banvel II | + non-ionic surfactant |
|---|---|---|---|---|
| Active Ingredient |
rimsulfuron
|
+ s-metolachlor/ benoxacor
|
+ dicamba
|
+ non-ionic surfactant
|
| Formulation |
25 DF
|
915 g/L
|
480 g/L
|
+ non-ionic surfactant
|
| Rate per hectare (active) |
12.5 g/ha
|
573 g/ha
|
300 g/ha
|
0.2% v/v
|
| Rate per hectare (product) |
50 g/ha
|
0.625 L/ha
|
0.625 L/ha
|
2 L/1,000 L
|
| Rate per acre (product) |
20 g/ac
|
0.25 L/ac
|
025 L/ac
|
2 L/1,000 L
|
1 - indicates product sold as a co-pack.
Precautions
- Do NOT use on seed corn or sweet corn.
- Apply POST from the spike to 3 leaf stage of field corn.
- See precautions for Banvel II alone.
- Refer to individual product labels for use precautions.
- For suppression of quackgrass, apply battalion at the 1-6 leaf stage of quackgrass.
- Battalion is a co-pack of Elim EP, Dual II Magnum and Banvell II.
| Trade Name | Converge Flexx | + Converge 480 |
|---|---|---|
| Active Ingredient |
isoxaflutole
|
+ atrazine
|
| Formulation |
240 g/L
|
480 g/L
|
| Rate per hectare (active) |
79 to 105 g/ha
|
0.8 to 1.063 kg/ha
|
| Rate per hectare (product) |
330 to 440 mL/ha
|
1.67 to 2.21 L/ha
|
| Rate per acre (product) |
132 to 174 mL/ac
|
0.67 to 0.88 L/ac
|
1 Indicates product sold as co-pack.
Precautions
- Do NOT use on seed corn or sweet corn.
- Apply PRE or POST up to the 3 leaf stage fo field corn.
- Do NOT incorporate treatments prior to planting.
- Use the higher application rates for control of fall panicum and proso millet.
- Converge XT is a co-pack of Converge Flexx and Converge 480.
- Do NOT use Converge XT on sands, loamy sands and/or soils with less than 2% organic matter.
- Can be tank-mixed with glyphosate for PP burndown of emerged annual and perennial weeds, see Chapter 6, for more information.
Precautions
- Apply PPI, PRE or POST up to the 3 leaf stage of corn.
- Use the higher rate where annual grass build up or nutsedge infestation is evident.
- Grassy weeds beyond the 2 leaf stage will not be controlled.
- The equivant rate of Primextra II Magnum can be achieved by adding Dual II Magnum at 0.5 to 0.7 L/ac with Aatrex 480 at 0.84 to 1.24 L/ac.
- Can be tank-mixed with glyphosate or Gramoxone for PP burndown of emerged annual and perennial weeds, see Chapter 6, for more information.
Related Links
- Weeds in Ontario
- Corn in Ontario
- Problem Weed Control in Field Crops
- 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 |