Terrier (Oxytetracycline Hydrochloride) AntibioticProvides seasonal suppression for a variety of diseases A ready to use systemic antibiotic for palms, ornamental trees and large woody shrubs providing seasonal suppression for diseases listed below. Preventive application is more effective than suppressive treatment in trees showing disease symptoms. Indications Used for ornamental trees and large woody shrubs. Ingredients Active: Oxytetracycline Hydrochloride 4. 3% Other Ingredients 95. 7% Total