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Featured Resource

Can Cicadas Harm Plants and Trees?

Tom O'Dell, natural areas specialist at the Matthaei Botanical Gardens at the University of Michigan witnessed the periodical Cicada emergence 17 years ago and explains what damage may occur to plants and young trees as the insects emerge again.

Resource
5/4/21
A Threat to Ecological Investments: Plant Pathogens in Landscape Restoration Projects

To repair ecological damage caused by construction, landscape managers typically apply restoration techniques - but what if these activities further damage the ecology? Invasive Phytophthora pathogens have been inadvertently introduced to...

Resource
4/29/21
Loblolly Pine Health in the Southeastern U.S.

Southern pine species such as loblolly, longleaf, shortleaf, and slash cover much of the 
southeastern U.S., and are a critical component of the region’s economy.  Loblolly pine is the 
most widely planted species in the southeastern...

Resource
3/15/21
Fungi associated with galleries of the emerald ash borer

The emerald ash borer (EAB) is an exotic forest pest that has killed millions of ash trees in the 
United States and Canada, resulting in an ecological disaster and billions of dollars in economic 
losses of urban landscape and forest...

Resource
3/15/21
Bartlett Tree Experts Series: Sustainable Landscape Management

Greg reviews the key components to maintaining our stressed landscapes with tried and true Sustainable Landscape Management practices.

Speaker: Greg Paige, Director of Horticulture and Arboretum Curator, Bartlett Tree Research Laboratories and...

Resource
12/15/20
Lessons Learned: A New Kind of Rose Garden

Available to Members only.

Since the Ontario Cosmetic Pesticide Ban of 2009, Royal Botanical Gardens (RBG) had struggled to maintain its Rose Garden to world class standards. Ontario's 2017 sesquicentennial celebration afforded the perfect...

Resource
10/12/20
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. There are ongoing efforts to conserve this native tree species by producing genetically diverse, resistant...

Resource
3/30/20
Buying better biosecurity: Plant-buying behaviour and the implications for an accreditation scheme in the horticultural sector

The horticultural trade relies on healthy plants to flourish. However, its very nature
means that it is also a key pathway for the introduction and spread of plant pests and diseases.
These pests and diseases threaten horticultural...

Resource
1/8/20
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
the emerald ash borer (EAB) beetle. We show that saplings of...

Resource
11/15/19
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. Oak decline occurs more commonly among red oak species, but white oaks are susceptible as...

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. It takes the example of the cassava crop in Africa to show...

Resource
10/11/19
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
of most arthropods is challenging; characters for...

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
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. After a storm, the first priorities are safety and restoration of...

Resource
9/12/19
EAB in Northeastern U.S.: Background, Updates & Future Direction

EAB has become more prevalent in the northeastern U.S. State and federal agencies, universities and Extension specialists are continuing to manage this wood pest (and others) threatening the woodlands and communities using several strategies that have...

Resource
5/24/19
Safeguarding global plant health: the rise of sentinels
  • 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
  • ...
Resource
5/20/19
A decision framework for hemlock woolly adelgid management: Review of the most suitable strategies and tactics for eastern Canada

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...

Resource
5/13/19
Prioritizing the conservation needs of United States tree species: Evaluating vulnerability to forest insect and disease threats

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...

Resource
4/10/19
The Emerald Ash Borer: Strategies for Conserving Ash in the Urban Forest

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...

Resource
12/11/18
Guidelines for invasive species planning and management on islands

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...

Resource
11/15/18

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