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Dealing with the Triple Threat Invasion: Cheatgrass, Medusahead, & Ventenata

Invasive annual grasses such as cheatgrass (Bromus tectorum), medusahead (Taeniatherum caput-medusae), and ventenata (Ventenata dubia) are devastating western natural areas and rangeland at a landscape scale. These grass invasions favor further invasions while eliminating desirable vegetation and wildlife habitat. Further impacts include:

  • A continuous bed of fine fuel associated with an increase in frequency and intensity of rangeland wildfire
  • Significant reduction or elimination of desirable perennial species
  • Reduced forage quality for wildlife and livestock
  • Increased risks for wildlife and pollinator species
  • Resulting wildfires that are a threat to humans, wildlife, property and infrastructure.

Speakers will address all of these points, including current management tools for the β€œtriple threat”, highlighting recent research conducted in multiple western states.



https://youtu.be/yG6_lg2raNY

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This technology is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture and membership funding. Any opinions, findings, conclusions, or recommendations expressed in the content are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture. For more information, please visit extension.org. You can view the terms of useat extension.org/terms.

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