The use of tree and trunk injections by tree service companies has increased rapidly in recent years.  A variety of compounds including nutrients, insecticides, and fungicides can be effectively applied via the tree’s vascular system.  Achieving rapid uptake and distribution of injected chemicals within trees, however, can sometimes be difficult.  Dr. Bert Cregg (Michigan State University, Departments of Horticulture and Forestry) will discuss how soil, tree, and weather interact to control sap flow and will provide tips to ensure optimal…

What Tree is that? How do I go about the ID process? Plant classification is discussed, including how scientific names are used. We will talk about what scientific names are, and how they are used and written in classifying trees. Tree growth habit, texture, and coloration will be discussed in relation to tree ID. Discussion of leaf types and characteristics will be discussed in relation to tree ID. Discussion of leaf types and characteristics will be explained and how they…

Join us online for this informative workshop taught by Jeff Thierbach, BCMA, Utility Specialist, CTSP, and RCA. This 3 hour class covers ANSI and OSHA standards, accident prevention, stump grinder devices, safety devices, transporting, setting up the job, and much more! Sponsored by Bandit Industries, Inc. and ArboRisk 3 CEU's for ISA and CTSP.

Presenters: Don Grosman, Technology Advancement Manager at Arborjet and Chris Fettig, Entomologist with USDA Forest Service, Pacific Southwest Research Station, Davis, CA This webinar will focus on identification of different conifer bark beetles. We will review the severity of the pest threats and possible treatment options following the integrated pest management process with a trunk injection focus. Review pest ID, life cycles and IPM for southern pine beetle, Ips engraver beetle, black turpentine beetle, western pine beetle, mountain pine beetle,…