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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
Lightning Protection for Trees

Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1).

Resource
12/12/19
Conifer Care

Conifers are commonly planted in North America to provide year-round screening, as windbreaks or as focal trees in the landscape.

Resource
11/14/19
Vulnerability to climate change of islands worldwide and its impact on the tree of life

Island systems are among the most vulnerable to climate change, which is predicted to induce shifts in temperature, rainfall and/or sea levels.

Resource
10/14/19
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.

Resource
10/14/19
Lean on Me: Recommendations for Heritage Tree Support at the Morris Arboretum

The history of the Morris Arboretum can be told through its eldest trees. Every scar and abnormality present on these immense specimens inspire awe, enrich visitor experience, and provide a glimpse into the past of the gardens.

Resource
9/16/19
Finding Urban Trees for a Changing World

Trees planted in cities face many survival challenges, but when they thrive they make our cities healthier, less hot, and more beautiful.

Resource
9/12/19
Intersecting urban forestry and botanical gardens to address big challenges for healthier trees, people, and cities

Improving urban forests is one of the solutions to achieving several of the United Nations Sustainable Development Goals and making cities healthier and more livable for people.

Resource
7/15/19

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