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Old 06-10-2012, 06:19 PM
agrostis agrostis is offline
LawnSite Bronze Member
 
Join Date: Nov 2009
Location: Winston-Salem NC
Posts: 1,658
Quote:
Originally Posted by fire126 View Post
We have been injecting Trees with Tre-age using Arborjet system. The insecticide is exspensive, but only treating some trees. About 275. Tre-age has had great results and is protecting the tree for 2-3 years.
That tre-age is expensive, $600 for a liter. How much of that stuff would you use for a preventative treatment with 18" DBH ash ?
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