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Commenza™ herbicide provides three active ingredients and residual activity for soil applied cross-spectrum broadleaf and grass control in soybeans. Multi-mode of action technology ensures robust performance against resistant and hard to kill weeds.
Commenza is a pro-active broadspectrum herbicide program to establish excellent control of most major annual weeds in soybeans. With 3 modes of action, Commenza delivers robust control of the important weeds such as foxtails, nightshade, lamb's-quarters, ragweed, nutsedge and many others in conventional, conservation tillage or no-till soybean production systems.
With three proven active ingredients, Commenza delivers overlapping effective modes of action on key weeds such as Eastern black nightshade.
Convenient 20 acre co-pack is easy to handle and measure. And a complete herbicide program from one manufacturer provides you confidence and assurance
Below lists the crops that Commenza herbicide can be used on.
Soybean
Now registered in the following provinces:
Weeds Controlled |
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WEEDS CONTROLLED (Suppressed) |
Foxtail, Green | Old Witchgrass |
| Barnyard Grass | Foxtail, Yellow | Panicum, Fall |
| Canada Fleabane1 | Horsetail, Field2 | Pigweed, Prostrate |
| Carpetweed (pre-emergence only) | Jimsonweed (pre-emergence only) | Pigweed, Redroot 1,4 |
| Carrot, Wild2 | Johnson Grass (seedling) | Ragweed, Common 1,2,3 |
| Cheatgrass | Lady's-thumb (suppression if pre-plant incorporated application) |
Shepherd's-purse |
| Chickweed, Common | Lamb's-quarters, Common4 | Smartweed, Green |
| Cocklebur3 | Mallow, Prickly (pre-emergence only) | Thistle, Russian |
| Corn Spurry | Mustard, Wild | Velvetleaf |
| Crabgrass, Hairy | Mustard, Wormseed | Wild Potato Vine |
| Crabgrass, Smooth | Nightshade, American | Yellow Woodsorrel (pre-emergence only) |
| Dandelion (seedling) | Nightshade, Eastern Black | |
| Foxtail, Giant | Nutsedge, Yellow (PPI only) | |
| 1 Populations resistant to Group 2 herbicides exist in certain areas of Eastern Canada. Commenza alone may not control all weed biotypes resistant to Group 2 herbicides. 2 Suppression 3 If weed pressure in soybeans is heavy, tank mix with another product that provides a different mode of action 4 Include triazline-tolerant biotypes |
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Apply Commenza™ herbicide in conventional, conservation tillage or no-till soybean production systems. Commenza™ is not registered for aerial application.
One case treats 20 acres
Commenza herbicide is packaged in a 20 acre case. Each case contains 10.5 L S-Metolachlor 960 herbicide + 4.54 kg TriCor 75 DF + 715 gram bottle of Broadstrike RC™ herbicide.
• 4 months: winter wheat
• 10 months: spring wheat, spring barley, oats, soybeans, common beans (dry,
snap), lima beans, processing peas, field corn and seed corn
Rotational crop restrictions: When tank mixing with other herbicides, follow the
most restrictive crop rotation guidelines on the label of each product used.
Rotational crops, except field corn and soybeans, may sustain herbicide injury
if dry conditions, not favourable to herbicide breakdown, persist following
application of Commenza.
Following an application of Commenza in a dry year, the risk of injury to rotational
crops may increase in light-textured soils containing less than 2% organic matter
due to a higher bioavailability of herbicide residues for plant uptake.
A field bioassay should be conducted before planting other crops not listed above.
A successful bioassay means growing test strips of the crop(s) to maturity intended for production the following year.
The pre-harvest interval for Commenza is 90 days.
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Safety Data Sheet (PDF)
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Additional Resource Material (PDF)
West Field Guide
East Field Guide
Before use and for complete product information, please read and follow label directions.
