resistance management

• By Vicky Boyd, Editor • Each year, University of Arkansas weed scientist Jason Norsworthy screens barnyardgrass seed samples sent in by growers and consultants who suspect the weed is resistant to one or more herbicides. This season will be no...

Start early, overlap preemergence residuals for season-long barnyardgrass control. • By Vicky Boyd, Editor • University of Arkansas Extension weed specialist Tommy Butts has a simple recommendation for barnyardgrass control this season: “residual, residual, residual.” “Make sure to get those residuals out preemerge...

• By Vicky Boyd, Editor • A grassy weed with resistance to multiple herbicides poses as big – if not a bigger – challenge to Arkansas rice growers than herbicide-resistant Palmer amaranth does to soybean and cotton producers. That was the sobering...

Fungicide-resistant sheath blight should be a wake-up call to follow resistance management rules regardless of where you farm. • By Vicky Boyd, Editor •  Resistance of the sheath blight pathogen to the popular strobilurin fungicides continues to increase, encompassing roughly half of...

Don’t wait — take pre-emptive steps now to slow PPO herbicide resistance from developing in Palmer pigweed. By Vicky Boyd, Editor Bob Scott, a University of Arkansas Extension weed scientist, is on a crusade before planting season starts to educate producers about herbicide...