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Originally Posted by cowislander
In researching whats most effective that seems to be the right move for RPS. The active ingredient in Transect is dinotefuran.
Has Belknap Landscaping told you how often the tree should be treated?
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Could be up to 4 or 5 years but they suggest an inspection in 2 years. They don't have long term experience with this treatment.
We had our hemlock trees treated with spray on bark insecticide last year and the HWA has disappeared. That is supposed to be a 2 or 3 year fix,