A synergistic fungicidal mixture comprising a fungicidally effective amount of the compound of Formula I, (3S, 6S, 7R, 8R) -8-benzyl-3- (3 - ((isobutyryloxy) methoxy) -4-methoxypyolinamide) -6-methyl -4,9-dioxo-1,5-dioxonan-7-yl isobutyrate, and fluxapiroxad. ** Formula **Una mezcla fungicida sinérgica que comprende una cantidad fungicidamente eficaz del compuesto de Fórmula I, (3S,6S,7R,8R)-8-bencil-3-(3-((isobutiriloxi)metoxi)-4-metoxipicolinamido)-6-metil-4,9-dioxo-1,5-dioxonan-7-il isobutirato, y fluxapiroxad.**Fórmula**