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.







New soybean traits with dicamba resistance have been controversial with court challenges, restrictions and changing regulations.

Investments continue to drive Syngenta growth

Company leaders say helping farmers manage risks will build relationships into the future

The contrast in agriculture between Canada and the United States was made obvious during a summary of the year in agriculture by Syngenta’s North American leadership. “In Canada overall, the […] Read more