Claim 1: Use of a composition comprising polihexametilenguanidina propionate hydrochloride and N, N - methyl - N - dimethylammonium Poly (oxyethyl) ammoniumpropionate, characterized in that it is for the Treatment or prevention of a microbial infection in a Plant.Claim 7: Use according to any of the preceding Claims, wherein the composition further comprises one or more Emulsifiers. Claim 8: Use according to any of the preceding Claims, wherein the Emulsifier is Kantor.Claim 10: Use according to any of the preceding Claims, wherein the composition further comprises one or more surfactants selected from the group consisting of nonionic surfactants and monovalent cationic surfactants S.Claim 1: Use according to any of the preceding Claims, wherein Said composition comprises one or more chelating agents. Claim 15: Use according to any of the preceding Claims, wherein Said composition further comprises a pesticide, Fungicide, insecticide and / or a fee.Claim 16: Use according to any of the preceding Claims, wherein the additional Pesticide or Fungicide is selected from the group consisting of azoles, prothioconazole (For example, Bumper 250 CE), propiconazole, tebuconazole, metconazole, mancozeb (e.g. For example, Dithane NT folpet (MCW), SC 296), epoxiconazole (e.g. Rubic)Azoxystrobin and combinations thereof. Claim 17: Use according to any of the preceding Claims, wherein the composition further comprises one or more cloronitrilos, / or triazoles and strobilurins.Claim 23: a method for the Treatment or prevention of a microbial infection in plants, wherein the method comprises the steps of: a) providing at least one composition is defined in any of the preceding Claims, and (b) implement an agro quantity Effective terms, of the same plants.Claim 25: a formula for Plant Protection, which comprises polihexametilenguanidina propionate hydrochloride and N, N - methyl - N - dimethylammonium Poly (oxyethyl) ammoniumpropionate.Reivindicación 1: Uso de una composición que c
