$90 – $180

Fundamentals and Theory of Pruning Trees and Shrubs

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Oregon State University

Kelley Engineering Center

Corvallis, OR 97331

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Description

This pruning workshop will cover all the best management practices pruning techniques required by arborists. The course will cover both the theory and practice of pruning evergreen and deciduous trees, shrubs and fruit trees. This is an ideal workshop for practitioners and consultants alike.

Pruning trees and shrubs can be a very extensive topic with many areas of focus. This course and presentation are designed to discuss some fairly advanced topics that are intended to explain the theory of why we should be pruning the way we do. At times the presentation may seem to move from technically advanced to more basic topics. It was designed this way so that we can understand some complexities of forces that trees undergo before discussing how to mitigate them through pruning. The question “why” has always proved to be a bedrock foundation for understanding.

Workshop attendees will learn:

  • Reasons for pruning trees
  • Tree structure and dynamic forces
  • CODIT
  • Tree defects and restorative pruning
  • Tools and PPE
  • Work order specifications
  • Fruit Tree pruning

Workshop Agenda

8:00-10:00
-What is pruning?
-Who’s in charge?
-Tree Forms: Excurrent & Decurrent Trees
-Forces on Trees: How Trees Diffuse Forces
-Mass Dampening: Interactive Activities

10:00-10:15 Break
-What is Lion Tailing?
-Physics: Lever Arm & Bending Moment
-Wind Forces on Trees: Respect your Forces
-The 4 Main Forces on Trees -Wood Properties
-C.O.D.I.T

12:00-12:45 Lunch
-Common Tree Defects
-Included Bark
-Young Tree Structural Pruning
-Subordination
-Equipment
-Brief Cutting Techniques
-OUTDOOR PRUNING ACTIVITIES

Refund Policy

  • Cancellations made at least 10 days prior to the event will be refunded at 100%.
  • Cancellations made within 5-9 days of the event will be refunded at 75%.
  • Cancellations made within 1-4 days of the event will be refunded at 50%.
  • Refunds will not be made available for no-shows.

Instructor:

Tyler Roth

Tyler Roth is a certified arborist (PN-7469A) who lives in Hood River, Oregon. He is the owner of Gorge Tree Surgeon, a tree service in the central Columbia River Gorge.
Tyler Roth is TRAQ qualified, a graduate of Community Tree Management Institute (CTMI 2016), a Hood River Tree Committee member, and a climbing and consulting arborist. Tyler has an AAS in Natural Resources: Forestry from MHCC and a BAS in Horticulture from Oregon State University.

This workshop is hosted in partnership with Oregon State University.

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Date and Time

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Oregon State University

Kelley Engineering Center

Corvallis, OR 97331

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