Webinar: Wood Utilization Options for Urban Trees Infested by Invasive Species

Tuesday, December 19 from noon to 1:00pm As a result of infestation from invasive species,tremendous numbers of infested trees are being killed and removed each year for control and ultimate eradication of the pests. This webinar will provide key information for land management professionals, arborists, utilization specialists, and other natural resource professionals who are at the forefront of dealing with […]

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Avoid a Holiday Invasion!

Orange is okay, but give a yell for yellow! Native vine American bittersweet has orange seed capsules surrounding red berries in terminal clusters. Noxious invasive Oriental bittersweet has yellow seed capsules on berries along the length of the stem. Images: American bittersweet (LEFT) by Brett Whaley is licensed under CC BY-NC; Oriental bittersweet (RIGHT) by Esteve Conway is licensed under CC BY.   […]

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Webinar: Transitioning Black Ash Wetlands to an EAB Infested Future

Tuesday, October 17 from noon to 1:00pm Emerald ash borer is just now beginning to extend into the near mono-specific black ash (Fraxinus nigra) wetlands of the western Great Lakes region. Loss of ash from these forests may have profound changes on ecosystem structure and function. I discuss a project located on the Chippewa National Forest that is designed to […]

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Fall is a Good Time Check for Noxious Weeds and Invasive Species

Midwest residents may be seeing vines in area woodlands and field edges this fall with red berries and orange or yellow seed capsules. American bittersweet (Celastrus scandens) is native, and has orange seed capsules with the seed clusters near the tips of the branches. Oriental bittersweet (Celastrus orbiculatus) is invasive, and has yellow seed capsules with the seed clusters forming […]

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Spreading the news about a deadly invader

Do you ever feel hopeless when it comes to invasive species? Don’t despair—residents like you are making a difference! Minnesota has some of the most progressive and advanced systems in place to deal with invasives. We have well trained professionals, engaged volunteers, observant residents, smartphone apps, and call-in lines that allow for quick confirmation. An invasion of poison hemlock in […]

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Poison hemlock spreading across Minnesota

Poison hemlock is an invasive plant native to Europe and North Africa that is highly toxic (i.e., fatal) to humans and livestock. It has been recorded in isolated pockets of Minnesota, and appears to be spreading quickly in the St. Charles and Lanesboro areas. Learn how to identify poison hemlock and its common look-alikes; discover management and disposal strategies; and […]

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Researchers test drones to spot invasive plants in Minnesota

ST. PAUL, Minn. – Researchers with the Minnesota Department of Agriculture (MDA) and the University of Minnesota Extension are turning to the skies to help spot and stop invasive plants from spreading across the state. A new project is examining the capacity of drones to help scientists find areas of the state that are being destroyed by Oriental bittersweet. Oriental […]

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Firewood: Your Questions Answered

By Adam Flett and Mike Reichenbach Firewood is used for home heating, camping, cooking or enjoyment throughout the year. Whether you cut, split and stack the wood yourself or buy wood, this article and the accompanying fact sheet on firewood provide information that you may find useful. For example, do you know: How much firewood is in a cord? The […]

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March 2015 webinar: oak wilt versus bur oak blight

Tuesday, March 24th from noon to 1:00pm *Note change in date.   Oak wilt is old news but still newsworthy. This destructive invasive’s range does not yet extend over half of Minnesota’s land with highly susceptible species. Bur oak blight is relatively new news. Its extent nearly covers Minnesota. Learn all about these diseases, including how to differentiate the two. […]

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New year, new quarantines: updates on the mountain pine beetle and emerald ash borer

The year 2014 concluded with a lot of activity in the area of  invasive species and forest health in Minnesota. Specifically, the Minnesota Department of Agriculture instituted a statewide quarantine for the mountain pine beetle and emerald ash borer was confirmed in a new county in the state.  Subsequent actions are two excellent examples of how the state is being […]

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