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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
Public Gardens as Sentinels Against Invasive Species

From the American Public Gardens Association Plant Collections Management Symposium. Thursday, October 18, 2018 from Vancouver, Canada.

Resource
10/17/19
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
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
Breeding and Restoring the Next Generation American Elm

Iconic tree species include those native trees that once dominated the typical American city landscape. The American elm and chestnut are the first two that come to mind, and now ash trees are similarly under significant threat of loss.

Resource
9/26/19
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
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
Impact of Significant Weather Events on Plant Death in Managed Landscapes

Intensively managed landscapes, like those found in many public gardens, attempt to mitigate the impact of significant weather events through irrigation, improving soil characteristics, and mulching.

Resource
7/9/19
How a Public Garden is Redefining Outreach in the Urban Forest

In August 2008, a dangerous pest, the nonnative, invasive Asian longhorned beetle, was discovered in Worcester County, Massachusetts.

Resource
6/28/19
EAB in Northeastern U.S.: Background, Updates & Future Direction

EAB has become more prevalent in the northeastern U.S.

Resource
5/24/19

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