A picture is worth a thousand words. The tree on the left was treated for bacterial leaf scorch in spring of 2014 while the tree on the right was not treated. The tree care professional used ArborSystems Terrier systemic antibiotic. It is a ready-to-use antibiotic for non-crop bearing ornamental trees and large woody shrubs. It provides seasonal suppression for a variety of diseases including Bacterial Leaf Scorch in Elm, Oak, Sycamore, Oleander, Sweet Gum (Liquidambar); Fire Blight in Mountain Ash; Ash Yellows in Ash; and Phloem Necrosis in Elm, also called Elm Yellow. For more information, click here.
Left tree was treated for bacterial leaf scorch in spring of 2014 while the tree on the right was not treated.