Winter cold impacts on EAB: Minnesota data

By Eli Sagor, University of Minnesota Extension A few weeks ago the local and national media ran a number of hopeful stories about the effect of this year’s deep cold on EAB larvae overwintering under ash bark. We got in on it too: Will winter cold save us from emerald ash borer? Sensing perhaps a bit too much optimism, last week Dr. […]

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Will winter cold save us from emerald ash borer?

By Eli Sagor, University of Minnesota Extension Emerald ash borer is now established in Minnesota and poses a serious threat to our huge population of ash trees. As we shiver through this week’s “polar vortex fueled arctic superfront,” some have taken comfort from recent research suggesting that the cold may wipe out up to 80% of emerald ash borer larvae […]

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KAXE Radio’s Watch Your Ash campaign

We’re pleased to be working with KAXE Northern Community Radio and the Itasca County Private Woodlands Committee to get the word out about emerald ash borer and the threat it poses to Minnesota ash trees.  This spring, KAXE is offering a special Watch Your Ash shirt for some donors and encouraging listeners to do what they can to keep EAB […]

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The Road to a Thoughtful Street Tree Master Plan Slideshow Series (2011)

A new resource, years in the making By Sean Peterson Several years ago, arborist Ken Simons and University of Minnesota Prof. Gary Johnson first set out to define what practical information Minnesota communities needed to develop a step-by-step practical “Master Plan” for street tree planning and design. After much research, compilation of available resources, discussion, planning and finally implementation, in […]

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What you need to know to teach others about EAB

On August 27, 2011 Jeff Hahn and Angela Gupta of the University of Minnesota delivered the following presentation through the University of Minnesota Extension’s 2011 Woodland Webinar series. Click here to watch the complete recording now After watching, please complete our quick evaluation form. Related links: The handout Angela Gupta refers to in her presentation (MS Word doc). Emerald ash […]

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Emerald ash borer and your Minnesota woodlands: Management guidelines

Ash management guide for private forest owners  (PDF, 10.5MB plus a single page foldout) is a new resource for family woodland owners in Minnesota who have ash trees on their land. This guide book is a thorough overview of the ash resource in Minnesota including: ash’s history on the landscape; ash tree identification; information on the emerald ash borer (EAB); […]

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Extension’s Fall 2011 woody biomass webinar series

The University of Minnesota Extension will offer 7 web-based seminars, or “webinars” on woody biomass, in fall 2011.  While they do require access to an internet connection, webinars offer the convenience of learning at your home or office, avoiding the time and expense of traveling to a workshop. Everybody is welcome to attend.  There is no charge, but pre-registration is […]

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Extension’s 2011 woodland webinar series

Update:  The 2011 UMN Extension Woodland Webinar series is now over.  Complete recordings of all of this year’s presentations are linked below.  This year’s series was a big success, with registration and attendance substantially higher than last year.  Feedback was overwhelmingly positive:  We heard that webinars are more convenient and less expensive for participants.  Many of you valued the opportunity […]

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Stingless wasps released for possible emerald ash borer control

On September 22, 2010, the Minnesota Department of Agriculture (MDA) conducted the state’s first release of stingless wasps as a biological control in an effort to slow the spread of emerald ash borer (EAB) in Minnesota.  The release took place in the Upper Mississippi River Fish and Wildlife Area, in Houston County. Biological control, or biocontrol, is a pest control […]

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