• 2021 WSSA Travel Enrichment Experience Award Applications Open Now
  

  Purpose:  The Travel Enrichment Experience (TEE) will provide an opportunity for WSSA graduate students to participate in a five-day, four-night educational experience with professionals in a different WSSA region. Student Application Deadline: Mayank Malik (mayank.malik@bayer.com ) must receive applications by May … more »

• Have you heard about HRAC’s Mode of Action updates?
  

  WESTMINSTER, Colorado – April 28, 2021 – The Herbicide Resistance Action Committee (HRAC) has updated its Herbicide Mode of Action Classification System, which is a vital tool in developing sustainable weed control programs. Explore WSSA’s recent fact sheet to find out why updates were needed … more »

• Free Educational Webinars Offered During “National Invasive Species Awareness Week”
  

  WESTMINSTER, Colorado – April 20, 2021 – The Weed Science Society of America (WSSA) today announced that five free educational webinars will be offered during National Invasive Species Awareness Week (NISAW) – a May 15-22 initiative to raise awareness about … more »

• Want to Control Buffelgrass? It is Time to Mix Things Up!
  

  Buffelgrass is a drought-tolerant, invasive weed that threatens the biodiversity of native ecosystems in the drylands of the Americas and Australia. Unfortunately, though, land managers trying to control the weed often experience mixed results. more »

• Is Crop Competition an Effective Weed Control Strategy?
  

  When it comes to weed control, today’s growers face a double whammy. Weeds have developed resistance to many of our existing herbicide options at a time when new herbicide discoveries have plummeted. But a recent study featured in the journal Weed Science shows one often overlooked weed control strategy may help to fill the void. more »

• Battling Glyphosate-Resistant Kochia: Research Shows Sugarbeet Growers Must Think Beyond Herbicides
  

  Kochia has become one of the most problematic weeds in the U.S. – now resistant to at least four herbicide sites of action. And researchers writing in the journal Weed Technology say sugarbeet growers in particular have cause for concern. more »

• Where Do Denver’s Tumbleweeds Come From?
  

  You might expect tumbleweeds on Colorado’s plains, but what are they doing rolling around RiNo and LoDo? more »

• 10 Things University Research Teaches Us About Dicamba
  
  Weed scientist says spraying other herbicides before and after dicamba drift increases injury to soybeans.

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• Net Farm Income Would Drop With Glyphosate Ban
  

  If glyphosate is no longer available, farmers can expect cost increases for other herbicides, increased use of other herbicides and less net farm income. 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.