weed resistance

Just hearing “pigweed” can cause fear in cotton and soybean farmers, but a Clemson University geneticist and others believe they have discovered the armor this dreaded weed uses to protect itself against the herbicide glyphosate. The researchers have determined a specific genetic feature, the extrachromosomal circular DNA (eccDNA) replicon, gives Palmer pigweed, or Palmer amaranth, its resistance to glyphosate and ... Read More »

Kochia, a kind of tumbleweed, has long been associated with the Texas High Plains, but its abundance is starting to alarm Texas A&M AgriLife officials as regional producers are experiencing challenges controlling the weed as herbicide resistance is mounting. Dr. Muthu Bagavathiannan, Texas A&M AgriLife Research weed scientist in the Texas A&M Department of Soil and Crop Sciences, College Station, ... Read More »

Within a few years, California farmers will have to pay $15 an hour minimum wage and time-and-a-half overtime for anything over eight hours under new regulations. That is, if they can even find reliable workers. A number of producers have already turned to robotics to replace hand-hoeing crews in specialty crops, which have a higher per-acre value and a lack ... Read More »

The University of Tennessee has scheduled a weed tour, June 19, from 9-11:30 a.m., at the West Tennessee AgResearch and Education Center in Jackson. Registration opens at 8:30 a.m. A light breakfast will be served. Larry Steckel, UT Extension weed specialist, will lead the tour, along with Clay Perkins, doctoral candidate with the UT Department of Plant Sciences and Travis ... Read More »

• By Larry Steckel • Many questions continue to be asked on how best to manage grass in cotton. The sketchy performance of glyphosate on goosegrass, junglerice and Johnsongrass in 2018 is the main driver of these questions. One change in weed management some have gone to in cotton due to the poor glyphosate performance is to use Prowl preemergence. ... Read More »

Changing weather patterns have again shaken up the 2018 planting season in the San Joaquin Valley. The good news is we finally got some rain and snowpack in the late winter and very early spring, along with promise of at least a little more irrigation water. The uncertain news includes delays in getting some fields planted due to cool, wet ... Read More »

Nobody ever said it was easy being a crop consultant in eastern Arkansas – mainly because the weather has been downright volatile during the last two years. In 2011, cotton producers in the region were dealing with the Mississippi River and its tributaries flooding to record levels. Read More »