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 […]
Forwarding a request from Laura Van Riper, MN DNR’s Terrestrial Invasive Species Coordinator. A ray of hope for buckthorn control!? Hello, As you are out and about this summer, could you keep a lookout for common/European buckthorn trees with witches’ broom/yellows disease symptoms? Research to identify biocontrol insects for buckthorn has been on-going since 2001. A phytoplasma disease was detected in potential […]
The growing interest and investment in forest biomass for energy production in Minnesota has created the need for accurate estimates of supply. This study, conducted by researchers at the Department of Forest Resources at the University of Minnesota estimates the total physical supply of residual forest biomass in Minnesota using a spreadsheet based Forest Age Class Change Simulator (FACCS) to […]
Trees shade and cool us in the summer, protect us from cold winter winds, supply us with clean air to breathe, beautify our communities and provide habitat for wildlife. Selecting the trees that will survive and grow into healthy urban forests requires a thorough analysis of the planting site and a careful match of the trees to that environment. The […]
Making Choices for Roadside Planting The Minnesota Department of Transportation’s Plant Selector program, Woody & Herbaceous plants for Minnesota Landscapes & Roadsides, was developed in 1995 and through several phases has been refined to become more user-friendly. The primary goal and objective of this program is to facilitate selecting the most appropriate plants for landscaping on Minnesota Roadsides or Landscapes. […]
Some of the most common invasive species in Minnesota’s woods include buckthorn, garlic mustard, Dutch elm disease and the emerald ash borer. Others that might not come to mind could be earthworms or Gypsy moths. All of these species are non-native and are causing significant damage in Minnesota’s forests. You can find identification guides to common invasive species at the DNR invasive species index.