No Pigweed Left Behind – Make That A Goal At Harvest

🕔Oct 4, 2019At harvest this year, watch for patches of pigweeds, which are quickly multiplying across Ohio. A campaign dubbed “No Pigweed Left Behind” is aimed at encouraging farmers to stop those weeds […]

Herbicide Resistant Waterhemp Moves Into Canada

🕔Oct 4, 2019A team including evolutionary biologists from the University of Toronto have identified the ways in which herbicide-resistant strains of an invasive weed named common waterhemp have emerged in fields of […]

Iowa: ISU to Conduct Survey for Herbicide Resistant Waterhemp

🕔Sep 20, 2019As harvest approaches, Iowa State University will conduct a statewide survey to collect waterhemp seeds produced by plants in corn/soybean fields as well in field edges.

Ohio Corn, Soybeans: Reminders About Pre-Harvest Herbicide Treatments

🕔Sep 18, 2019Preharvest herbicide treatments are primarily intended to suppress/kill and desiccate weeds that can make harvest more difficult.  Products with contact activity will cause faster desiccation and leaf drop of weeds […]

Ohio Soybeans: Sorting Out Herbicide Resistance Traits

🕔Sep 18, 2019The world of soybean herbicide resistance traits has gotten more complex over the past several years.  The good news is that we have new options for control of herbicide-resistant weeds, […]

Palmer Pigweed Resistance – Keys Behind the Evil Genius

🕔Sep 18, 2019Palmer amaranth’s resistance to PPO-inhibiting herbicides, a group of chemicals that disrupt chlorophyll synthesis, is especially problematic with glyphosate already out of the picture. Farmers had been turning to PPO-inhibitors […]

Alabama: Post-Harvest Weed Control – Don’t Quit Yet

🕔Aug 21, 2019As farmers enter harvest season, let’s remember that the work isn’t done just because the crop is out of the field. Planning efforts for next year are already underway and […]

Iowa: Weed Management – What Is a Realistic Goal?

🕔Aug 16, 2019The current approach to weed management in Iowa is at risk due to rapid expansion of herbicide-resistant weeds. In order to preserve the efficacy of herbicides two things must happen.

Iowa: Palmer Pigweed – Time to Scout

🕔Aug 2, 2019Now is a great time to scout for Palmer amaranth (Amaranthus palmeri) in Iowa crop fields. As of late 2018, this species had been identified in over half of Iowa’s […]

Ohio: Palmer Amaranth, Waterhemp – 5 Late Season Scouting Tips

🕔Jul 30, 2019If you don’t already have to deal with waterhemp or Palmer amaranth, you don’t want it. Neither one of these weeds is easy to manage, and both can cause substantial […]

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