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Arborist News Audio

The Arborist News audio podcast is a special benefit to ISA members and non-members alike. Arborist News Audio is a podcast version of the most current Arborist News CEU article, narrated for your convenience. Whether you’re en route to the next job or sitting on your couch, you can listen to this month’s CEU article, written on a range of topics. This podcast was designed by the International Society of Arboriculture to help arborist stay up-to-date with the most recent topics, and provide CEU opportunities for our members. While Arborist News is usually only available to ISA members, the CEU articles, and this podcast, are accessible to all arborists. Click on the headphones to subscribe to this podcast. With Arborist News Audio, each edition’s CEU article is available as a downloadable podcast at the beginning of the month, along with the opportunity for ISA members to purchase the CEU quiz at the same time and earn credits.

NameReleasedDescriptionAudio FileCEU Quiz
Palms: Woody Giants of the Monocots Part 2 October 19, 2017 Learn more about palms in this second part of Palms: Woody Giants of the Monocots. This article explores symptoms of nutrient deficiency and other abiotic and biotic factors, including insects and diseases. (A,T,M,L,Bp) Play

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Palms: Woody Giants of the Monocots Part 1 August 04, 2017 Are palms considered trees? That depends on whether you’re asking a botanist, ecologist, or forester. But no matter the specific definition used; as an arborist you may have to deal with palms. In part one A.D. Ali and Leonard Burkhart Jr. examine palm identification and pruning.(A,T,M,L,Bs) Play

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Root Pruning Part 2 June 07, 2017 In this second podcast on Root Pruning, the authors look into selective versus non-selective pruning, dealing with stem-girdling roots, and how pruning can effect a tree’s long term health and stability.(A, Bs) Play

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Root Management: An Introduction April 04, 2017 Roots are a vital component to any tree’s health. Recognizing and understanding the types of roots, and how they function is the first step in good root management. Original story by Larry Costello, Gary Watson, and E. Thomas Smiley (A, Bs) Play

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Plant Health Care and Diagnostics February 10, 2017 PHC-Plant Health Care, is a holistic approach to evaluating a tree’s condition, taking into consideration both the plant, and its environment instead of focusing on any single component such as insect pests or disease causing organisms. (Original story by Chelsi Abbot and A.D. Ali) (A, Bs) Play

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Understaning Tree Responses to Stress Complexes December 09, 2016 The idea that rapidly growing trees are the most pest resistant and stress tolerant is highly ingrained. But is that always true? Trees face both abiotic and biotic attacks daily, and studies are beginning to question just how resistant, and whether cultural practices generally thought to help a growing tree, may in fact increase the stresses it faces. (A, Bs) Play

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Preserving Trees During Construction October 07, 2016 The fate of a tree can be in jeopardy in all phases of a construction project, and the highest levels of success are achieved when the arborist is brought in as early in the process as possible. This month’s CEU article looks at the planning and design phases of managing trees during construction. (A,M, Bm) Play

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Basic Tree Plumbing July 26, 2016 Every tree has its own system for moving water and nutrients through stem and branch. Christine Balk and A.D. Ali explore this natural plumbing in trees. (A, M, Bs) Play

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Tree Injection Part 2 June 07, 2016 Injection is an extreme, but sometimes necessary step in addressing proper tree care. In this second of two part article Shawn Bernick and E. Thomas Smiley examine the pros and cons to be taken in consideration when contemplating injection sites on a tree. (A, M, Bp) Play

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Tree Injection Part 1 April 05, 2016 Injection is an extreme, but sometimes necessary step in addressing proper tree care. Shawn Bernick and E. Thomas Smiley examine the pros and cons to be taken in consideration when contemplating tree injection. (A, M, Bp) Play

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Bark Traits are Important to Tree Health and Survival February 02, 2016 Bark is a complex and important tree tissue, by better understanding bark structure and function arborists will be prepared to interpret problems, and apply protective mechanisms in managing landscape trees.(A, Bs) Play

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Tree Lightning Protection Systems Part 2 December 03, 2015 Lightning is an extremely powerful and pervasive force of nature, with an estimated 100 million strikes annually in North America. Authors Thomas Smiley, William Grahm jr., and Scott Cullen take a look at what can be done to protect trees, and the buildings and people around them. (A, T, L, Bp) Play

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