You are here

Featured Resource

A Call to Action for Ash Tree Conservation and Resistance Breeding

Ash tree species in North America are under mortal threat from the Emerald Ash Borer (EAB), now in 35 states and five Canadian provinces.

Resource
3/30/20
Bartlett: Needle Diseases of Conifers

Needlecast and needle blight are terms applied to a variety of foliage disorders of many coniferous species. These diseases are usually more severe on young trees or on trees growing outside of their natural range.

Resource
2/10/20
Bartlett: Sonic Tomography

Sonic tomography, or the use of sound waves to detect decay in trees, is a relatively new technology available to arborists.

Resource
1/15/20
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
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
Exotic urban trees conserve similar natural enemy communities to native congeners but have fewer pests

Urban trees serve a critical conservation function by supporting arthropod and vertebrate communities but are often subject to arthropod pest infestations.

Resource
3/13/19
Shifts in the Abiotic and Biotic Environment of Cultivated Sunflower under Future Climate Change

Sunflower is a unique model species for assessing crop responses and adaptation to climate change. We provide an initial assessment of how climate change may influence the abiotic and biotic environment of cultivated sunflower across the world.

Resource
2/27/19