An anti-fungal treatment for trees and bushes. Included are all methods of delivery of active ingredients, including foliar and trunk spraying application, granular soil surface, soil drench, soil injection, and trunk injection. The chemical combination includes a group 3 fungicide like propiconazole, that is, a systemic with curative and protective action, that works via the demethylation of C-14 during ergosterol biosynthesis. The combination also includes a group 11 fungicide like Azoxystrobin, or Fluoxastrobin for which their biochemical mode of action is inhibition of electron transport. The combined efficacy of there two classes of chemicals is reduced spreading of the fungus and increased killing of fungus. It has also been found that these chemicals used individually on trees and bushes, have unexpected benefits.
