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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. Disease severity and corresponding...

Resource
9/15/21
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
Becoming Sentinels Against Invasive Plants Workshop Materials

Prior to Workshop  - 

  1. Each registrant should read the attached Guidelines for Listing, Categorizing and Sharing Information on Plant Taxa Spreading from Cultivation at Public Gardens in North America (Guidelines).
     
  2. ...
Resource
10/21/20
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. Oak decline occurs more commonly among red oak species, but white oaks are susceptible as...

Resource
10/14/19
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
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. We find...

Resource
2/27/19
An Update on New and Emerging Pests in the Pacific Northwest

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 ...

Resource
4/6/18