• Trees-DianaRuiz

    Selecting the Right Tree

    Choosing the right tree for the right place is critical to avoiding long term problems. First, clarify your basic objectives. Then, seek out sound information about the trees you are considering. Choose your tree wisely and plan accordingly.

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  • Bug-Wood

    Beware the Dangers of Moving Firewood!

    Written by Fred Roth, Ph.D. Consulting Arborist | Featured Photo by Robert L Anderson, USDA Forest Service, Bugwood.org Invasive pests spend part or most of their life cycle within the wood of trees they have killed. Such pests have been associated with the historically destructive Dutch elm disease which wiped out the once prized American […]

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  • What’s Happening to the Liquidambar Trees?

    by Fred Roth, Ph.D. Cal Poly University, Pomona and Consulting Arborist Many American sweetgum or liquidambar trees are declining in inland Southern California due to infection by a bacterial pathogen that causes a disease known as “bacterial scorch.” This pathogen is not new in California, but it is relatively new in liquidambar trees because of […]

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  • What Is A Tree Worth?

    There are many reasons why it may be necessary to determine the monetary value of a tree. Various methods to assign a value for trees have evolved over the past 100 years. In North America, the Council of Tree and Landscape Appraisers (CTLA) provide guidance, methods, and standards of practice for tree appraisal.

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