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Cappy from Littlerock, Ca writes

Can I use Dominion 2L as a soil drench on Elm trees for bark beetles?

My trees are over 60' tall and not practical for spraying.

Answer:

Dominion 2L would not work for elm bark beetles as it would not reach to the areas of the trees these beetles infest.  Effective treatment involves killing the beetles before they bore into bark in fall and when they first emerge in spring so protecting healthy trees is best. Timing is critical to reach the pests before they're under the protective bark.  You can use a product like Permethrin SFR for this.  There are also articles linked below that can help

https://ag.umass.edu/landscape/fact-sheets/elm-bark-beetle

https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5347208.pdf

Answer last updated on: 07/19/2018

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