Glyphosate-resistant horseweed (or marestail or Conyza canadensis) has been confirmed throughout Delaware, Maryland and New Jersey. Horseweed is a winter annual weed. Emergence begins in the fall and ...

Horseweed is a winter or summer annual plant, native to North America and distributed worldwide in temperate climates. This plant is considered an important agricultural weed because it can reduce ...

Four field experiments were completed in commercial corn fields during 2019 and 2020 to determine glyphosate-resistant (GR) horseweed control in corn with tiafenacil alone or in combination with ...

One morning last summer, University of California Cooperative Extension vineyard weed control adviser John Roncoroni displayed a horseweed plant that had grown to more than 10 feet tall in a Yolo ...

A team of scientists was able to follow molecules of the glyphosate-based Roundup herbicides as they entered a resistant weed and to discover exactly how the plant disarms it. In a new paper, they ...

WESTMINSTER, Colorado – November 19, 2021 – Horseweed is one of the most common and most troublesome weeds in soybean production – shown to cause yield losses of up to 39 percent in the Midwest ...

WEST LAFAYETTE, Ind. - A new Purdue University Web page offers farmers general information and educational materials on dealing with horseweed, a plant that is infesting parts of Indiana's cropland.

The 2025 growing season is in full swing, and weed control remains a top concern for row crop producers. Experts at the University of Tennessee Institute of Agriculture are continuing to provide ...

As everyone knows, the pharmaceutical industry is struggling to deal with bacteria that have become resistant to common antibiotics. Less well known is the similar struggle in agribusiness to deal ...