You can use Dominion 2L insecticide to treat scale on your crepe myrtle trees. You would apply this as a drench around the root system of each tree while the trees are actively growing. This is typically done in spring after petal fall. You would use 0.1 – 0.4 oz of Dominion 2L per inch of trunk diameter at breast height diluted in water in a bucket or watering can and poured around the base of each tree. We generally recommend that you pair a soil drench with a topical spray such as a horticultural oil or a pyrethroid such as Talstar P for fastest results when treating for scale.
Dominion 2L Termiticide Concentrate can be applied to a birch tree for birch borers, leafminers and other listed pests. It is not recommended to apply with a hose end sprayer. It is suggested to perform a soil drench around the base of the tree and it will translocate up the tree.
Yes, Dominion 2L Termiticide Concentrate will treat to Emerald Ash Borers. Treatments should begin in May or June, and should be done every year to protect trees from the Emerald Ash Borers. Most people us a 5 gallon bucket or a large watering can to apply Dominion as a soil drench.
You can trench with Dominion 2L Termiticide and than spray the perimeter with Taurus SC or Termidor if needed for general listed insects on it’s label.
Dominion 2L is often used as soil drench application to the base/root zone of shrubs/trees to help with insects that do damage to the plant throughout the season such as whiteflies, aphids, borers, etc. and you would only need to do a single application to the roots of the plant per year.