• Herbicide Resistance Summit II- Registration Now Open
  

  The registration site for the Herbicide Resistance Summit II – to be held September 10th, 2014, in Washington D.C. is now open on the WSSA website. more »

• 10th Edition of the Herbicide Handbook is Now Available for Purchase
  

  The 10th edition of the WSSA Herbicide Handbook is completely revised and updated in a new easy-to-use alphabetical format. It contains detailed information more »

• WSSA Comments on EPA’s Proposed Registration of Enlist Duo
  

  Read the position of WSSA on the proposed registration of Enlist Duo Technology more »

• WSSA to Exhibit at Upcoming Conference on Invasive Aquatic Plants
  

  Today the Weed Science Society of America (WSSA) announced it will participate in the upcoming annual meeting of the Aquatic Plant Management Society (APMS).  WSSA is an exhibitor at the event, scheduled for July 13-16 in Savannah, Ga. The APMS … more »

• Herbicide Resistance Summit II – Sep 10, Washington, DC
  

  Building on the insights and perspectives that were established from the 2012 Herbicide Resistance Summit, one of the outcomes expected from Herbicide Resistance Summit II will include more »

• Herbicide-Resistant Kochia a Threat to No-Till Farming
  

  Known by the name tumbleweed, it’s been romanticized in story and song. And when it’s called summer-cypress, it sounds downright exotic. No matter what you call it, the weed kochia cuts into crop yields and farmers’ profits. And it’s become harder to control. more »

• A Growing Problem
  

  Without careful stewardship, genetically engineered crops will do little to stop the spread of herbicide-resistant weeds. more »

• Palmer Amaranth Threatens Midwest Farm Economy, Researchers Report
  

  An invasive weed that has put some southern cotton farmers out of business is now finding its way across the Midwest -and many corn and soybean growers don’t yet appreciate the threat, researchers report. Palmer amaranth germinates throughout much of the growing season more »

• Weeds grow bigger among corn; Weeds influence gene expression, growth in corn
  

  The axiom, “growing like a weed,” takes on new meaning in light of changes in gene expression that occur when weeds interact with the crops they infest, according to a plant scientist. Using sophisticated genetic-mapping techniques, the research team is documenting how corn and weeds influence one another. more »

• WSSA Pesticide Stewardship Series 01- Safety Begins at the Point of Sale
• WSSA Pesticide Stewardship Series 02- The Buyer Has Important Responsibilities
• WSSA Pesticide Stewardship Series 03- Hiring a Pest Management Professional
• WSSA Pesticide Stewardship Series 04- The Importance of Reading the Pesticide Label
• WSSA Pesticide Stewardship Series 05- Restricted Use Pesticides Require an Extra Level of Care
• WSSA Pesticide Stewardship Series 06- Certification Programs Fulfill an Essential Need for Competent Pesticide Applicators
• WSSA Pesticide Stewardship Series 07- Always Be Diligent Concerning Personal Protective Equipment
• WSSA Pesticide Stewardship Series 08- Employers Play a Central Role in Protecting Agricultural Workers and Pesticide Handlers
• WSSA Pesticide Stewardship Series 09- Preparation and Oversight are Vital When Storing a Pesticide
• WSSA Pesticide Stewardship Series 10- The Applicator Must Ensure that Pesticide Spray Drift Does No Harm
• WSSA Pesticide Stewardship Series 11- Proper Disposal of Pesticides Extends Far Beyond the Container

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.