Claim 1: a method for treating an infection in Plants caused by a member of the class Oomicetes comprising applying to the plant a combination of Tea Tree Oil (TTO) and a synthetic Compound Fungicide. The Method of claim 4: According to any one of claims 1 to 3, where the TTO is implemented as a composition that contains TTO.Claim 5: The Method according to claim 4, wherein the composition contains TTO TTO and comprises an Emulsifier.Claim 6: The Method according to claim 5, wherein the Emulsifier is (a) an alkali metal Salt of a Fatty Acid c u2086 u208b u2082 u2086, an ammonium salt of a Fatty Acid c u2086 u208b u2082 u2086, or a mixture of these salts, or (b) selected from the group consisting of Fatty Acids S Ethoxylated Castor Oil, ethoxylated, polyglycol ethers alcoxilatos, ethoxylated sorbitan esters,Dodecilbencen triestirilfenol Ethoxylated sulfonates, and Phosphates. The Method of claim claim 7: 5 or 6, where the composition contains TTO is an oil in water emulsion. Claim 16: The Method according to claim 4 to 15, where the composition contains TTO also comprises the compound Synthetic Fungicide.Claim 28: a method according to any one of claims 1 to 27, where the Synthetic Fungicide Compound is selected from the group consisting of (a) fenilamidas (PAS), (b) quinone outside inhibitors (sibc) polioxinas (c), (d) (e) of Cianoacetamida Oximes, phospho Natural inhibitors of demetilaci u00e9n (f), (g) (DMIS) amides of carboxylic acid (CAAS)(H) oxime Cianoacetamida Dithiocarbamates； (i), (j), (k) - benzamides, 2.6 dinitroanilinas carbamates, (L), (m) internal inhibitors of quinone (qiis cloronitrilos), (n), (o) Copper Products (P) and organic tin compounds.The Method of claim 31: claim 30, wherein the Synthetic Fungicide Compound is selected from the group consisting of Potassium phosphite and Ammonium phosphite. Method: 32 the claim of any of claims 1 to 27, where the Synthetic Fungicide Compound is selected from the group consisting of phosphorous acid and salts
