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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Fall control for EAB

The risk status for emerald ash borer was changed yesterday to low activity. This is a great time of year to inspect your ash trees and prune or remove any branches, stumps, or trees. Forest landowners who have a stewardship plan for their ash stands may be preparing for a harvest to reduce the percentage of ash on their property. […]

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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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Webinar: EAB and Minnesota’s Ash Resource

Tuesday, April 18, 2017, noon – 1:15 p.m. Emerald ash borer threatens Minnesota’s ash resource. This two-part presentation will include an update on the status of EAB in Minnesota and relevant quarantines from Mark Abrahamson, EAB program lead at the Minnesota Department of Agriculture. We’ll then transition to case studies of silvicultural interventions to inform future ash management options. These presentations […]

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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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May 2016 webinar: EAB and woodland ash

Tuesday, May 17, 2016, noon – 1:00 p.m. With recent discoveries of emerald ash borer in and near Minnesota’s northwoods, foresters are getting more serious about silvicultural options as we face potential widespread ash mortality. Forest health specialist Bob Heyd has seen this loss first hand in Michigan and will share lessons from that experience. We’ll also hear from Andrew […]

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Forest Pest First Detector – 2016 Workshops

Workshop registration is $50 and workshops are from 8 AM – 3 PM, including lunch. Participants must preregister and the registration fee is due during the online registration process. Wednesday, February 17, 2016, Marine on St Croix: William O’Brien State Park Visitor Center 16821 O’Brien Trail North Marine on St. Croix, MN 55047 Register here. We’re using a new registration system […]

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