Tag Archives: herbicide resistance

Multiple herbicide resistance in barnyardgrass prompts red flag warning

jason norsworthy, rice flatsedge

• 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 outlook University of Arkansas Weed Scientist Jason Norsworthy presented about herbicide-resistant barnyardgrass during the recent University of Arkansas ... Read More »

University of Arkansas hires new Extension weed scientist

Tommy Butts

The newest University of Arkansas System Division of Agriculture weed scientist says he expects to rack up more than a few miles of field walking as he learns more about the issues faced by Mid-South farmers. Hailing from southern Wisconsin, weed scientist Thomas Butts took his new position as Extension weed scientist on Nov. 26. He brings a diverse background, ... Read More »

Some fall-applied residuals may injure following year’s rice crop

Italian ryegrass

Although fall-applied residual herbicides are recommended to control glyphosate-resistant Italian ryegrass, some can be detrimental to the following year’s rice crop, according to recently published research. Involved in the project were Ben Lawrence, a Mississippi State University graduate student; Dr. Jason Bond, MSU weed scientist; Henry Edwards, MSU graduate student; and Dr. Bobby Golden, MSU Extension agronomist. The researchers looked ... Read More »