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Weeds could develop resistance to dicamba in three generations

In Delta Farm Press

What happens if farmers follow the same practices they have when other new herbicide chemistries have come on the market over the last several decades?

If they’re not careful, they will simply replace one herbicide with another, as they did with Prowl and Treflan, ALS herbicides, glyphosate and most recently with PPO inhibitors such as Flextar and Reflex.

Dr. Bob Scott, Extension weed scientist with the University of Arkansas, says his colleagues have already demonstrated that pigweed could become resistant to dicamba in as few as three generations.

His comments came during this presentation at Pigposium 3 at East Arkansas Community College in Forrest City.

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