Frank Rossi speaks with Professor Jim Brosnan of the University of Tennessee on the rising concerns of herbicide resistant annual bluegrass and the national project attempting to understand this elusive plant.

Frank and Jim revive Resistance Radio and go deep on the nature of herbicide resistance and the multiple strategies plants develop to elude routine herbicide applications. Jim wonders why weed control is not approached like diseases and insects managed in turf.

The conversation expands to include other difficult-to-control weeds such as goosegrass, nutsedge and crabgrass. This is one of those episodes we will listen to in 10 years and wonder why we didn’t pay attention this critical issue sooner. As Jim so aptly quotes a leading researcher, “the answer to herbicide resistance is not going to come from a jug”.

Frankly Speaking with Jim Brosnan: Annual Bluegrass Herbicide Not Working?

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