Copper complex bactericide/fungicide and method of making same.

The invention claims a copper compound bactericide improved/antifungal and is used and usage method. Bactericide of an improved/preparation method of antifungal is as follows: Preparation and a first of neutralizing, water-soluble, molecular weight wherein the 1000-300000, pH wherein the 3-9 and a carboxylic acid with a. Is the with a comprising a copper compounds, the comprising a copper compounds, when with the upper with a connecting the release the divalent cupric ion, the cupric ion is formed a of compound with the upper capable of carboxylic acid, wherein a of compound are capable of preventing and controlling or inhibiting bacterial and a plant disease of the upper plant growth.