The series “World of Weeds” features a different weed species that typically has agronomic implications for farmers and ranchers. Each article contains information on the species’ ecology, identification features, and management options.

The EPA issued a final decision to approve Liberty Ultra (glufosinate-P), making it the first herbicide with a label for agronomic crops that follows the principles outlined in the EPA’s Herbicide Strategy, which is intended to help herbicide registrations comply with Endangered Species Act requirements.

The study says the data show a rapid falling-off of glyphosate effectiveness against seven major weeds after the first couple of years. The authors conclude that intensive use of any one weedkiller like glyphosate year-after-year serves to speed up evolution in weeds to resist it.

Scientists have found that ragweed can drastically reduce soybean yield.

Ohio State University has released 14 time-lapse videos depicting different herbicide site of actions on a variety of weeds to show growers what weeds should look like after spraying.

With at least 432 different weed biotypes resistant to 22 different herbicide groups, North Carolina State University shares some guidelines for preventing and managing herbicide resistance.

Did you know that one in five of all known life forms on earth is a beetle? From the Tiny feather-winged beetles to the giant Titan beetle, beetles are found on every continent and have adapted to every terrestrial and fresh water ecosystem.

If planting new alfalfa fields this spring, University of Nebraska suggests considering needs and costs when selecting traits, particularly Roundup Ready alfalfa.