• WSSA Calculates 70% Yield Loss from Uncontrolled Weeds in Dry Bean and Sugar Beet Crops 
  

  WESTMINSTER, Colorado  – June 18, 2019  – The Weed Science Society of America (WSSA) has completed a significant new initiative to quantify the impact of weed control on dry bean and sugar beet crops grown in the U.S. and Canada.  … more »

• WSSA to Participate in Annual Meeting of Two Aquatic Plant Management Societies
  

  June 4, 2019 – Today the Weed Science Society of America announced it will participate in the joint annual meeting of the Aquatic Plant Management Society (APMS) and Western Aquatic Plant Management Society (WAPMS), scheduled for July 14-17 in San Diego, California. more »

• 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 »

• 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 »

• WSSA to Participate in Annual Meeting of Two Aquatic Plant Management Societies
  

  June 4, 2019 – Today the Weed Science Society of America announced it will participate in the joint annual meeting of the Aquatic Plant Management Society (APMS) and Western Aquatic Plant Management Society (WAPMS), scheduled for July 14-17 in San Diego, California. 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 »

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.