For the past three years marestail populations east of the Mississippi River have exhibited resistance to glyphosate, the active ingredient in many popular herbicides, including Roundup. In 2002 the ...

URBANA — Over the past several days, growers have increasingly been looking for options to control marestail after crop emergence, said University of Illinois associate professor of weed sciences ...

Due to a variety of factors, both common lambsquarters and marestail (also called horseweed) are challenging soybean weeds. Both plants have high seed production, increasing resistance to common ...

BOZEMAN, Mont. – Experts from the Montana State University Extension Service have identified glyphosate-resistant Conyza Canadensis, also known as marestail or horseweed, in northeast Montana. The ...

Marestail has quickly established itself as the number one problem weed in soybean production. Marestail (Conyza canadensis) is a native annual plant belonging to the aster family. A mature plant is ...

You’ve finished scouting for winter weeds and you’ve identified marestail as one of the unwelcome intruders in your field. You’ve found the problem, but what is the solution? Limiting costly yield ...

A marestail weed regrows after glyphosate application. Marestail, or horseweed, has become increasingly problematic for Indiana and Ohio soybean growers because it is resistant to common herbicides.

Controlling glyphosate-resistant marestail in soybeans continues to be a big challenge for Kansas no-till producers. Because soybeans are generally planted later in the season, and marestail generally ...

One weed that continues to be a problem throughout Ohio and here in Coshocton County is marestail. Marestail is an annual weed that can follow a winter or summer annual life cycle. It can compete with ...

Marestail . . . if you frequent farm stores you’ve heard people talking about how hard it is to kill. If you’ve been to a lawn and garden store, it’s the one they call, “that bushy leafed weed that ...

The weather for the past couple of weeks has allowed producers to make post-emergence herbicide applications. An issue they may be facing now is the presence of herbicide-resistant weeds. A number of ...