Weed Science at the University of Kentucky

The Weed Science Program is within the department of Plant and Soil Sciences, located in the College of Agriculture, Food and Environment at the University of Kentucky. The focus of our work is weed management in agronomic crops, pastures and roadsides of Kentucky.

Weed Science News

  • Common lambsquarter
    February 4, 2016

    LAWRENCE, Kan. — Today the Weed Science Society of American (WSSA) announced that new and updated educational materials for both weed scientists and the general public are now available for free download from the Society’s website.

    Free fact sheet on types of weeds

  • map
    November 12, 2015
    Glyphosate-resistant Palmer amaranth (Amaranthus palmeri) and waterhemp (Amaranthus tuberculatus) continue to spread across Kentucky. Initially these pigweed species were thought to be present primarily in the west end of the state (Purchase area and along the lower Ohio River region), but have now been found in over 50 counties throughout Kentucky. These sightings would indicate that Palmer amaranth and waterhemp continues to be a growing threat to grain crop production within the state.
  • November 12, 2015

    Farmers who have ever wondered how directions for use, warnings and other information from the U.S. Environmental Protection Agency get on herbicide labels need look no further than the University of Kentucky College of Agriculture, Food and Environment for an explanation.

    UKAg weed scientist Michael Barrett serves as the Weed Science Society of America’s liaison to the EPA’s Office of Pesticide Programs. Barrett is the society’s third EPA liaison and came into the role two years ago after serving as an officer in the society for several years prior.