Tree Injection Popularity Grows

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The Integrated Pest Management (IPM) of Midwest Landscapes manual claims that tree injections are being utilized more frequently as concerns about the impact of pesticides on the environment grow.

Dr. Dave Roberts is a specialist and district horticulture agent with the Michigan State University Extension office. He claims to have been the first to identify the emerald ash borer (EAB) in the United States in 2002. He also operates a website, www.treeresearch.org.

He claims in the websites IPM Tactics and Tools section that injection offers several advantages over spray and soil treatments. They are claimed to use less material and simpler equipment. Application is also possible in windy or rainy weather and non-targeted organisms (including people) are less likely to be exposed according to the site.

A section of the IPM of Midwest Landscapes manual notes how key product delivery depth is when performing microinjection treatments. According to Mark Harrell of the University of Nebraska-Lincoln, up to 90% of total water flow in oaks, elms and ashes occurs in the outermost ring. He claims broadleaf?EUR??,,????'?????<

Sources: www.treeresearch.org and The Integrated Pest Management (IPM) of Midwest Landscapes manual.