Bayer launches herbicide with two modes of action

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Published: February 25, 2022

Bayer CropScience’s new herbicide, Corvus, is now commercially available for growers in Eastern Canada for the 2022 season. 

Corvus provides season-long control of broadleaf and grass weeds, including glyphosate-resistant weeds in field and seed corn.  

It combines Group 2 and 27 modes of action, and can be applied pre-emerge, pre-plant incorporated, or early post emerge (two leaf) to maximize its usage.  

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Leanne Freitag, Bayer Crop Science agronomic solutions advisor, holds a corn plant sample to help producers understand how to stage correctly during the herbicide injury scenario discussion at the Ontario Weed Tour at the Elora Research Station on July 16, 2025. Photo: Diana Martin

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The Ontario Weed Tour at the Elora Research Station discussed how plant staging accuracy, timing and weather conditions can significantly impact crop health, yield and limit potential herbicide application injury.

Kate Hyatt, Crop and Campaign Manager, Corn for Bayer CropScience said in a release that Corvus allows farmers to have flexibility in not only their application timing, but tank mix options as well. 

Testing with Corvus has been conducted on eastern Canadian farms and has been used in the U.S. for 10 years. 

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