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.

Close-up file photo of an alfalfa plant in a Canadian field. (Jennifer Seeman/iStock/Getty Images)

DLF buys Corteva’s alfalfa seed business

Business to be 'fully transitioned' after 2024 season

International forage and turf seed firm DLF is stretching its reach in the alfalfa market with a deal for Corteva Agriscience’s assets in that business. The Danish firm announced Wednesday it had acquired Corteva’s global alfalfa germplasm and breeding program for an undisclosed sum, including its current commercial alfalfa varieties and their trademarks such as […] Read more