13 Slides
Trunk injection is a relatively new way to treat insect and disease problems in trees. Arborjet is a small company with eight regional technicians who travel across the country injecting trees in parks, cities and farms.
Emmett Muennink, a tree technician with the company, stopped by one park in the St. Louis area to treat a tree under attack by the emerald ash borer. This pest is wreaking havoc on America's forests and has destroyed hundreds of millions of ash trees. It has been confirmed in 36 states.
Muennink shared how the tree injection treatment, known as TREE-äge, works. Check out the slideshow to see the step-by-step process.
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