Claim 1: a method to treat and / or prevent Sudden Death Syndrome, characterised in that it comprises applying an effective amount of a Polyene Fungicide to a Plant SEED, the soil in which the plant is growing, in which the Soil is to plant a plant or Seed to plant Roots, or combinations thereof.Claim 2: the method of claim 1, wherein the application is a soybean SEED, soybean root or the soil in which soybean is growing or in which it is planted or a combination thereof.Claim 3: the method of claim 1 or 2, wherein the Natamycin is a Polyene Fungicide, Nystatin, amphotericin B, aureofungina, Philippine, lucensomicina or combinations thereof. Claim 4: Method of claim 3, wherein the Natamycin is a Polyene Fungicide.Claim 7: the method of any one of claims 1 to 6, wherein the composition comprises a compound of general Composition: (1), where p is an integer equal to 1, 2, 3 or 4； Q is an integer equal to 1, 2, 3, 4 or 5； X is selected independientement And the group is Halogen, alkyl and haloalquilo,Under the condition that at least one X is a haloalquilo； each is selected independently from the group consisting alquenilo, halogen, alkyl, alkoxyl, alquinilo, haloalquilo, amino, phenoxyl, Alquiltio, dialquilamino, acyl, cyano, Ester, hydroxyl, aminoalquilo, Benzyl, haloalcoxil Or, halosulfonilo, halotioalquilo, alcoxialquenilo, aminoalquilo, Benzyl, haloalcoxilo, halosulfonilo,Fenilsulfonilo and bencilsulfonilo. Claim 8: a method to control Fusarium fungi Fusarium virguliforme or tucumaniae, characterized in that it comprises applying an effective amount of a Polyene Fungicide to plant a seed in the soil, which is a plant or seed, to plant Roots or Comb Inaciones of same.Claim: a 15 Seed treated soybean which comprises a soybean Seed coated with a Polyene Fungicide.Reivindicación 1: Un método para tratar y/o prevenir el síndrome de muerte súbita, caracterizado porque comprende aplicar una cantidad eficaz de un fungicida de polieno a una semilla de planta, al suelo en
