Joe and Mandy visit with Mark VanGessel from the University of Delaware, who was the first to confirm glyphosate-resistant marestail (horseweed) in the US. The discussion focuses on how wind helps marestail move long distances and offers some tips for control.

Sarah and Mandy talk with Iowa State Weed Scientist Bob Hartzler about managing the soil weed seed bank.

Mandy and Sarah visit with Mark Loux, from Ohio State University to talk about the best time to use preemergence herbicides and other topics related to rotating herbicides to manage herbicide resistant weeds.

Joe and Sarah visit with agronomists Jason Hanson and Kyle Okke about managing weeds in diverse crop rotations.

Lee Briese joins Joe and Sarah to discuss practical aspects of integrated weed management, including tillage cover crops.

Mandy and Joe discuss resistance to residual herbicides with Aaron Hager from the University of Illinois. Then, starting at 21:30, they visit with Bryan Young from Purdue University to discuss resistance to postemergence herbicides.

Sarah and Mandy visit with Christy Sprague, Professor and Weeds Specialist at Michigan State University to talk about how agriculture professionals can use the Take Action herbicide classification chart (www.iwilltakeaction.com) to manage herbicide resistant weeds

Joe, Sarah, and Mandy have a wide-ranging discussion about why we don't have a 'silver bullet' for weed management and what that means for recommendations and research.

Sarah, Joe, and Mandy give a quick overview of their backgrounds and goals for War Against Weeds