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: Micronutrient Deficiencies

Six elements are required in small amounts for the growth and development of plants. These are referred to as micronutrients: iron (Fe), manganese (Mn) copper (Cu), zinc (Zn), molybdenum (Mo), and boron (B).

Resource
3/10/20
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
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
Bartlett: Emerald Ash Borer Identification, Biology and Management

ManagementEmerald ash borer (Agrilus planipennis) was first discovered in southeastern Michigan in 2002.

Resource
8/13/19
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.

Resource
4/10/19
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
Denver Botanic Gardens-Emerald Ash Borer Video

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

 

Resource
10/9/17