• Weed Science Society of America Honors Outstanding Student Weed Scientists
  

  May 13, 2019 – Today the Weed Science Society of America (WSSA) announced it has recognized nearly four dozen graduate and undergraduate students from 27 universities for outstanding research-related presentations and proposals. more »

• Fighting Back Against Pigweed
  

  Fighting Back Against Pigweed WSSA highlights successful awareness initiative& best practices WESTMINSTER, Colorado – April29, 2019 – Waterhemp andPalmer amaranth, both members of the pigweed family, havebecome significant threats to crop yields and farm incomes acrossthe Americas. In the U.S.,they … more »

• The 2019 North American Weed Science Contest to be Held on July 25, 2019
  

  The 2019 North American Weed Science Contest will be held on Thursday, July 25,2019 at the BASF Midwest Research Farm, Midwest Ag Research Center of Valent, and Klein Farms near Seymour, Illinois.  more »

• Herbicide-Resistant Kochia: What We Know – and Don’t Know – About This Troublesome Weed
  

  The broadleaf weed kochia is a real and growing threat to major cropping systems and soil conservation practices across the Great Plains. Some kochia populations are now resistant to as many as four herbicide sites of action, making it imperative that we understand more about the weed and how to manage it. more »

• Rethinking Invasive Weed Control: Sometimes Treating Fewer Plants Can Produce a Greater Impact
  

  When battling invasive weeds, it’s easy to conclude that treating the largest masses first is the best strategy. But scientists writing in the journal Invasive Plant Science and Management say that isn’t always best. more »

• For Effective Henbit Control, Timing Matters
  

  Spring-applied herbicides are no match for henbit, a winter annual weed found in more than 50 crops – including corn, cotton and soybean. But researchers say a simple change in application timing can make all the difference. more »

• Fighting Back Against Pigweeds
  

  Fighting Back Against Pigweed WSSA highlights successful awareness initiative & best practices   WESTMINSTER, Colorado – April 29, 2019 – Waterhemp and Palmer amaranth, both members of the pigweed family, have become significant threats to crop yields and farm incomes … more »

• EPA Takes Next Step in Review Process for Herbicide Glyphosate, Reaffirms No Risk to Public Health
  

  Today, the U.S. Environmental Protection Agency (EPA) is taking an important step in the agency’s review of glyphosate. As part of this action, EPA continues to find that there are no risks to public health when glyphosate is used in accordance with its current label more »

• New Herbicide Technologies Will Fail if We Don’t Remember Past Sins
  

  I think I can safely say after more than 27 years of professional experience, obtained in three different regions of our GREAT country, that most Extension personnel have dedicated their lives to helping solve the problems of American agriculture. more »

The WSSA, a non-profit professional society, promotes research, education, and extension outreach activities related to weeds; provides science-based information to the public and policy makers; and fosters awareness of weeds and their impacts on managed and natural ecosystems. Learn more about the WSSA.