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Resistance of European ash (Fraxinus excelsior) saplings to larval feeding by the emerald ash borer (Agrilus planipennis)

European ash is a significant tree commercially, ecologically, and culturally. It is currently
threatened by two invasive species, the fungus that causes ash dieback and

Resource
11/15/19
Emerald Ash Borer Update

Nate Siegert, Ph.D., USDA Forest Service, discusses the latest information pertaining to the Emerald Ash Borer (EAB) and its continued spread across the urban forests of the U.S. and Canada.

Resource
11/11/19
Oak decline in the United States

Oak decline is a slow-acting disease complex that involves the interaction of biotic and abiotic factors such as climate, site quality and advancing tree age.

Resource
10/14/19
How plant diseases devastate food crops in African countries

This video was created about plant diseases’ impact, primarily aimed at non-expert laypeople, and to draw attention to the importance of the CONNECTED Network in helping address these issues.

Resource
10/11/19
BHS: Preventing Bites and Stings

Fall is a beautiful and often very busy season for Gardens and Arboretums, with many guests visiting to enjoy cooler weather, Fall colors, and other seasonal events.

Resource
10/8/19
Using DNA barcoding to improve invasive pest identification at U.S. ports-of-entry

Interception of potential invasive species at ports-of-entry is essential for effective biosecurity
and biosurveillance programs. However, taxonomic assessment of the immature stages

Resource
9/27/19
Spotted Lanternfly: What Natura Areas Professionals Should Know about this New Invasive Insect

This webinar was brought to you by the Natural Areas Association.

Presented by Sarah Wurzbacher, Forestry Extension Educator, Penn State University.

Resource
9/13/19
A new pest: The spotted lanternfly

The spotted lanternfly (Lycorma delicatula) is an invasive planthopper native to China, India and Vietnam.  It was first discovered in Pennsylvania and has spread to other counties in the eastern United States.  This insect has the potential to greatly

Resource
9/13/19
Can We Vaccinate Trees to Protect Against Diseases?

Tree diseases are controlled primarily by spray applications of fungicides.

Resource
9/12/19
Bartlett Tree Experts: Saving Storm Damaged Trees and Shrubs

Ice or snow loads can cause branch breakage or failure of entire trees and shrubs. Branches or entire trees that fall in storms can impact homes, vehicles, power lines and block roads.

Resource
9/12/19

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