Tree Appraisal and the Principle of Substitution This webinar will discuss one of the foundational concepts in tree appraisal: the Principal of Substitution. A thing cannot appraise for more than a substitute of equivalent utility. Possibly the hardest step in applying this principal is selecting a “functional equivalent” to the subject tree or trees. When [...]
Competing Legal Interests in Street Trees (pre-recorded) Street trees are ubiquitous in urban areas. Municipalities often – but not always – assume control over the trees growing along public rights-of-way. But what degree of ownership and control do property owners and municipalities each have over the trees? This talk presents a sampling of several cases [...]
Join the Tree Trust Friday July 19 for a full day workshop of practical and valuable information led by Philip van Wassenaer, principal of Urban Forest Innovations, arborist and well-known lecturer. The day includes outdoor field learning. Lunch and refreshments are provided. Cost is $175. 7 CEUs are available. The event is sponsored by Eloquip [...]
Back by popular demand, this two-day immersive workshop is filled with fun, interactive group learning activities in the great outdoors! Designed specifically for arborists, you'll learn to scout and identify tree pests and beneficial insects.Registration is all-inclusive and includes course manual, all meals, and two-nights accommodation at Queens University Biological Station (north of Kingston, ON). [...]
PGRs in Tree Care Reducing the amount of top growth a plant puts on in a season can be beneficial from an aesthetic and pruning labor standpoint. Modern growth regulators offer a host of secondary health benefits that improve a plant's chances of surviving in our urbanized ecosystems. By the end of this talk attendees [...]
Pruning for Performance and Prevention How do I remedy poor branching structure? What are my options with these codominant stems? Corrective pruning has many implications which includes tree structure, health, response to damage and practice. Pruning to improve performance and preventing failure should be a major consideration for every arborist. This session will provide details [...]
Bur Oak Blight and Two-lined Chestnut Borer in the Midwest We’ll discuss how to identify bur oak blight and two-lined chestnut borer. We’ll also discuss the impacts these threats have on native bur oaks in the Midwest and discuss the strategies involved to maintain healthy bur oaks. Speaker: Jay Goughnour, Arborjet|Ecologel - Upper Midwest Regional [...]
Appraising Tree Losses for Insurance Adjusters When disaster strikes, consulting arborists are called upon by insurance adjusters to assess and value the damage done to trees. This presentation shows case studies of collaboration between consulting arborists and insurance professionals, focusing on claims from the Napa and Ventura fires, the Santa Barbara mudslides, and the Phoenix [...]
SLF: Threats and Management Strategies Spotted Lanternfly (SLF) has expanded across the country since it was first discovered in 2014 in eastern PA. In 2022, it was found as far west as Iowa and as far south as North Carolina. With this expansion, it has become crucial for communities, tree care, landscape, and pest management [...]
Rehabilitating Drought Stressed Trees Learn the impact of severe drought on trees, identify symptoms, and discuss prevention, management and recovery strategies for a the most valuable plants in the landscape. We will cover various plant health care products and application techniques to consider when treating drought-stricken trees: Symptoms of drought stress Physiological impacts related to [...]
Terrestrial Plants! Why is it hard to realize a tree is a plant? A living organism? We take so much care planting and caring for our gardens and turf but often forget about the trees. What are some of the options available today that we can do to care for these big, beautiful plants? Speaker: [...]
The 2024 OTCC will be held at RK McMillan Park in Mississauga! Save the dates! More details will be posted on the event soon - check online for updates. We can't wait to see you there!
