This is not the end of the story, the scientists say, because some weed species are resistant to the herbicide in ways different from horseweed. Still the scientists are glad to have won this ...

Marestail, also known as horseweed, was the first weed to develop resistance to glyphosate. Other weeds also are adapting, Johnson said, reducing the effectiveness of products such as Roundup, the ...

Herbicides like 2,4-D and Triclopyr, found in products such as Crossbow and Speedzone, are effective at killing horseweed.

Horseweed is a serious threat to both agricultural crops and natural landscapes around the globe. In the U.S., the weed is prolific and able to emerge at any time of the year. Fall emerging ...

In comparison to fallow control plots, cover crop treatments reduced horseweed density at the time of a pre-plant, burndown herbicide application by 52% in the first year and 86% in the next.

ae dicamba to glyphosate will increase the consistency of horseweed control, even in fields without glyphosate resistance. ISU says the addition of a residual herbicide in fall applications is not ...

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 ...

Horseweed is one of the most problematic weeds in no-till agriculture, particularly in soy production. "Farmers around the world are grappling with herbicide-resistant weeds and a shrinking ...

This is not the end of the story, the scientists say, because some weed species are resistant to the herbicide in ways different from horseweed. Still the scientists are glad to have won this ...

This is not the end of the story, the scientists say, because some weed species are resistant to the herbicide in ways different from horseweed. Still the scientists are glad to have won this ...