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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 arborists 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. 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.

International Society of Arboriculture


    • Jun 8, 2018 LATEST EPISODE
    • infrequent NEW EPISODES
    • 21 EPISODES


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    Latest episodes from Arborist News Audio

    Wood Decay Fungi Identification and Management

    Play Episode Listen Later Jun 8, 2018


    This second article about wood decay by Christine Balk, Chelsi Abbott, and A.D. Ali focuses on identification and management of wood decay fungi encountered in urban settings. Learn the three types of wood decay fungi that can cause damage, and the role that decay plays in increasing tree risk. (A,T,L,Bs)

    Biology and Identification of Fungi

    Play Episode Listen Later Apr 13, 2018


    One biotic problem for trees is wood decay fungi. This article by Christine Balk, Chelsi Abbott, and A.D. Ali, the first of a two-part series, provides an overview of the complexities of fungi, explains the general life cycle of a fungus, and describes what to look for when identifying fungal fruiting bodies. (A,T,L,Bs)

    Arborists and Wildlife: Retaining Trees for Wildlife Habitat

    Play Episode Listen Later Feb 2, 2018


    The survival of tree-dependent wildlife species is influenced by how arborists manage trees, even in urban areas. In this article, Brian French explores wildlife considerations when making care decisions about trees. (A,M,Bp)

    Tree Inventories

    Play Episode Listen Later Dec 1, 2017


    Learn about conducting tree inventories in this issue’s CEU article by Jerry Bond. This article explores setting tree inventory objectives, the benefits and costs of tree inventories, and the resources needed to be successful. (A,M, Bm)

    Palms: Woody Giants of the Monocots Part 2

    Play Episode Listen Later Oct 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)

    Palms: Woody Giants of the Monocots Part 1

    Play Episode Listen Later Aug 4, 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)

    Root Pruning Part 2

    Play Episode Listen Later Jun 7, 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)

    Root Management: An Introduction

    Play Episode Listen Later Apr 4, 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)

    Plant Health Care and Diagnostics

    Play Episode Listen Later Feb 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)

    Understaning Tree Responses to Stress Complexes

    Play Episode Listen Later Dec 9, 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)

    Preserving Trees During Construction

    Play Episode Listen Later Oct 7, 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)

    Basic Tree Plumbing

    Play Episode Listen Later Jul 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)

    Tree Injection Part 2

    Play Episode Listen Later Jun 7, 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)

    Tree Injection Part 1

    Play Episode Listen Later Apr 5, 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)

    Bark Traits are Important to Tree Health and Survival

    Play Episode Listen Later Feb 2, 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)

    Tree Lightning Protection Systems Part 2

    Play Episode Listen Later Dec 3, 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)

    Tree Lightning Protection Systems Part 1

    Play Episode Listen Later Oct 6, 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)

    Managing Soils That Support Urban Trees Part 2

    Play Episode Listen Later Jul 21, 2015


    In part two of their article on managing urban soils, the authors delve into soil modifications, and soil amendments, as well as tilling techniques that can help improve urban soils(A, M, Bp)

    Managing Soils That Support Urban Trees Part 1

    Play Episode Listen Later Jun 2, 2015


    Assessing urban soils is the first step in creating a healthy urban forest. Assessments can be quick and field based or more in-depth laboratory analysis. This month’s article looks at the most effective sampling techniques, identifying the important soil parameters, and understanding the results and how it will affect tree health. (A,U,T,M,L,Bp)

    Biology and Assessment of Callus and Woundwood

    Play Episode Listen Later Apr 7, 2015


    The terms callus and woundwood have been a source of confusion for working arborists and researchers almost since their first use more than a century ago. Christopher Luley examines the anatomical and functional differences between the two. (A,U,T,M,L,Bs)

    The Cost of not Maintaining the Urban Forest

    Play Episode Listen Later Feb 3, 2015


    Budgets can list the cost of tree maintenance, but what are the eventual costs of not caring for the urban forest? Richard Hauer, Jessica Vogt, and Burnell Fischer exam efforts to quantify the trade off between early tree care costs, and long term benefits of a healthy urban forest. (A,U,T,M,L,Bm)

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