The present invention relates to a fungicidal composition containing a fungicidally effective amount of a compound of formula I, (3s, 6s, 7r, 8r) -8-benzyl-3- (3 - ((isobutyryloxy) methoxy) isobutyrate -4-methoxypicolinamido) -6-methyl-4,9-dioxo-1,5-dioxonan-7-yl and at least one fungicide selected from the group consisting of protioconazole, epoxiconazole, cyproconazole, myclobutanyl, prochloraz, metconazole, diphenconazole, tebuconazole, tetraconazole, fenbuconazole, propiconazole, fluquinconazole, flusilazole, flutriafol and fenpropimorph.a presente invenção refere-se a uma composição fungicida que contém uma quantidade fungicidamente eficaz de um composto de fórmula i, isobutirato de (3s,6s,7r,8r)-8-benzil-3-(3-((isobutirilóxi)metóxi)-4-metoxipicolinamido)-6-metil-4,9-dioxo-1,5-dioxonan-7-ila e pelo menos um fungicida selecionado a partir do grupo que consiste em protioconazol, epoxiconazol, ciproconazol, miclobutanila, procloraz, metconazol, difenconazol, tebuconazol, tetraconazol, fenbuconazol, propiconazol, fluquinconazol, flusilazol, flutriafol e fenpropimorf.