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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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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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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Oriental bittersweet in Minnesota

Updated December 2013: Video: Extension created two bittersweet identification videos for crafters or others working with bittersweet. The short video (1:23) is just about identification, the longer (2:30) video discusses both identification and forest damage due to Oriental bittersweet. Short version: httpv://www.youtube.com/watch?v=0kvqotEFI48 Longer version: httpv://www.youtube.com/watch?v=w2pG2WbY048 Fact sheet: Extension has recently published a fact sheet on the emerging and potentially serious threat […]

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