Tree Research

Blog Archives

Information from scholarly studies at the Bartlett Tree Research Laboratory.

What Causes Girdling Roots?

Incorrect planting can lead to the production of girdling roots below the soil grade. Girdling roots are lateral roots that emerge at or slightly below the soil surface and cut into at least one side of the main trunk. A

Posted in Tree Advice, Tree Research, Tree Safety

The Science Behind Fall Foliage

fall mixed folaige 150x150 - The Science Behind Fall Foliage

Why do leaves change color in the fall? A good start to answering this question is to look at each of the pigments involved.

Posted in Tree Research

Boosting Tree Defense Systems

Natural defense systems enable trees to ‘fight back’ when they’re under attack from pests or disease or facing stress from environmental conditions like drought. Even with these defense systems in place, trees will decline when conditions become too severe or

Posted in Pests and Diseases, Tree Research

Evidence Reveals the Answer

“It is a capital mistake to theorize before one has data”Sir Arthur Conan Doyle An unusual package has just arrived. Filled with plant material, the package is unboxed and the contents transported to a high-tech laboratory. The material is studied

Posted in Bartlett Tree Experts, Pests and Diseases, Tree Advice, Tree Research

New Beginnings

star magnolia blossom macro 150x150 - New Beginnings

Here in the South, Mother Nature is busy showing off with spring in full swing. She is in high gear with blossoms and buds bursting and pollen beginning to take wind. It’s hard to imagine someone not being enthralled with

Posted in Tree Research
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Being a leader in the tree care industry means continually focusing on learning and innovation. Bartlett’s Tree Topics blog follows in that tradition by offering a place to receive advice on trees, tree pests, tree preservation, and more.

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