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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 »

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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 »

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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 »

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Will Gene Sequencing Lead to New Weed Control Strategies?

Palmer amaranth and waterhemp are two troublesome amaranthus species weeds that are resistant to multiple herbicides. They also have unique reproductive features. more »

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A Perfect Storm: Are Environmental Factors Fueling Herbicide Resistance?

Sobering global survey data shows weeds have evolved resistance to 167 herbicides spanning 23 of 26 known sites of action. Now scientists writing in the journal Invasive Plant Science and Management say climate change and elevated levels of carbon dioxide (CO2) may be contributing to the development of herbicide resistance. more »

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Can Native Plants Make a Comeback on Their Own

As invasive shrubs become more prevalent in U.S. forests, they are creating dense understories that outcompete native plants. Land managers with limited resources find themselves facing a tough decision. Does it make sense to remove the invaders if a comprehensive restoration program isn’t possible? more »

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Can Cover Crops Slow Herbicide Resistance?

Herbicide resistance is a costly and growing problem. In fact, many weed populations now exhibit resistance to multiple herbicide mechanisms of action. more »

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Mix Things Up to Control Dicamba-Resistant Kochia

Kochia is a highly invasive weed known to be resistant to multiple herbicides. In the Great Plains region, kochia populations have now evolved resistance to dicamba. more »

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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 »

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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 »

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