• Many exotic plant pests and pathogens are unknown prior to their establishment, making prevention and management difficult.
• Sentinel plantings to detect pests and pathogens prior to introduction provide information about the likelihood
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The invasive hemlock woolly adelgid (HWA) has decimated hemlock stands across much of the eastern United States, and presents a significant threat to all eastern hemlock in Canada across Ontario, Quebec, New Brunswick, Nova Scotia, and Prince Edward...

Insect and disease infestations pose major threats to several North American forest tree species.
Scientists and managers from throughout the United States Forest Service developed a conservation priority-setting framework for forest tree...

Urban trees serve a critical conservation function by supporting arthropod and vertebrate communities but are often subject to arthropod pest infestations. Native trees are thought to support richer arthropod communities than exotic trees but may also...

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. We find...

The American chestnut, whitebark pine, and several species of ash in the eastern United States are just a few of the North American tree species that have been functionally lost or are in jeopardy of being lost due to outbreaks of pathogens and insect...

This presentation will review research that provides scientific basis for EAB management and conservation of ash in urban environments. Results of multiyear insecticide trials with soil applied, trunk injected, and bark applied systemic insecticides...

Botrytis is widely considered to be one of the costliest diseases in greenhouse ornamental production—and deservedly so, since it’s also known as a high-risk pathogen for its potential to develop fungicide resistance. It’s a challenge many growers...

The purpose of this document is to assist anyone planning and programming the management of invasive species on islands, with the aim of reducing the negative impacts of invasives on islands’ rich and fragile natural heritage, communities and...

Foliage and vascular wilt diseases affecting deciduous trees in urban landscapes, including anthracnose, fungal leaf spots, bacterial leaf scorch, Verticillium wilt, and more will be covered with a focus on identification and management.

Watch...

This is an example of how a historic landscape and public garden used GIS to map, track, and monitor tree health on their grounds. The presentation highlights how one might be able to use GIS at their public garden and some of the key features GIS...

Spotted lanternfly is a new invasive insect found in southeastern Pennsylvania, northern Virginia, and western New Jersey. It is a voracious insect that can feed on over 75 plants, including economically important crops like grapes, hops, apples, and...

This webinar will give an update on the status of the emerald ash borer, EAB, as well as advances in treatment and management strategies.

The emerald ash borer (EAB, Agrilus planipennis) was first discovered in North America in 2002.  Since that...

The Plants for Planting Manual provides the background, procedures, and reference tables for regulating imported material of plants and vegetative parts that are for or capable of propagation, including buds, bulbs, corms, cuttings, layers, pollen,...

Foresters and horticulturists should be aware of the risks of invasive species and should be updated on a regular basis regarding emerging pest threats. In the Pacific Northwest, many new potential threats to natural ...

Dr. John L. Kough is a senior scientist in the Biopesticides and Pollution Prevention Division in the Environmental Protection Agency (EPA). Dr. Kough has been at EPA since 1990 and has worked in the biotechnology programs of the Office of Chemical...

Advances in control can help municipal foresters save ash trees from emerald ash borer (EAB) [Agrilus planipennis (Fairmaire) in urban forests. Although ash trees of any size can be protected from this pest, cities often do not implement programs...

This webinar is a detailed analysis of recent data and trends in the field of plant pathology, presented by David Gadoury from the Department of Plant Pathology at Cornell University. 

The third webinar of the fall 2017 EAB University webinar series is underway!  You can find this falls webinars, recorded previous webinars going back to spring 2015, and the schedule for future webinars...

In collaboration with the band Flobots, Denver Botanic Gardens created a fun educational video on the impacts of the invasive Emerald Ash Borer.