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

Staging slip leads to corn damage after Dicamba spray

Ontario Weed Tour highlights how timing, cold snaps and late spraying contribute to herbicide damage in corn

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.

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Pesticides under fire in U.S.

Recent court decisions have threatened farmers' abilities to use some herbicides

Pesticides are increasingly under attack in the United States and that is keeping farm leaders awake at night.





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U.S. dicamba ruling won’t touch Canada: Bayer

Thousands of American farmers who have already bought the herbicide now in a bind after court bans over-the-top use

An Arizona court decision that essentially prohibits American farmers from using dicamba for over-the-top spraying on soybeans and cotton will not stop Canadian growers from using the herbicide this year, says Bayer Crop Science Canada.

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U.S. court cancels dicamba approval

Glacier FarmMedia- (CHICAGO Reuters)- A U.S. court has nullified the government’s latest approvals of certain agricultural herbicides sold by Bayer, BASF and Syngenta, fueling uncertainty among farmers who spray the […] Read more

Photo: John Deere

US court cancels approvals for widely used dicamba weedkillers

EPA violated procedures mandating public input, judge rules

A U.S. court has nullified the government's latest approvals of certain agricultural weedkillers sold by Bayer, BASF and Syngenta, fueling uncertainty among farmers who spray the products on soybeans and cotton genetically engineered to resist them.


Kochia in a canola field.  Photo: File

Crop-killing weeds advance across US farmland as chemicals lose effectiveness

Losing battle with weeds adds pressures to farmers already stressed by inflation, extreme weather

Crop-killing weeds such as kochia are advancing across the U.S. northern plains and Midwest, in the latest sign that weeds are developing resistance to chemicals faster than companies including Bayer BAYGn.DE and Corteva CTVA.N can develop new ones to fight them.