The present invention relates to synergistic mixtures comprising, as active components, chlorfenapyr as insecticidal compound I and a fungicidal compound Il selected from the group of azoxystrobin, coumethoxystrobin, coumoxystrobin, dimoxystrobin, enestroburin, fluoxastrobin, kresoxim-methyl, metominostrobin, orysastrobin, pico- xystrobin, pyraclostrobin, pyrametostrobin, pyraoxystrobin, pyribencarb, trifloxysstrobin, 2-(ortho-((2,5-dimethylphenyl-oxymethylen)phenyl)-3-methoxy-acr ylic acid methyl ester, 2-(2-(3-(2,6-dichlorophenyl)-1 -methyl-allylideneaminooxymethyl)-phenyl)-2- methoxyimino-N-methyl-acetamide.Mezclas sinérgicas que comprenden, como componentes activos, chlorfenapyr, como compuesto insecticida I, y un compuesto fungicida II seleccionado del grupo de azoxystrobin, coumethoxystrobin, coumoxystrobin, dimoxystrobin, enestroburin, fluoxastrobin, kresoxim-methyl, metominostrobin, orysastrobin, picoxystrobin, pyraclostrobin, pyrametostrobin, pyraoxystrobin, pyribencarb, trifloxystrobin, metiléster del ácido 2-(orto-((2,5-dimetilfenil-oximetilen)fenil)-3-metoxi-acrílico, 2-(2-(3-(2,6-diclorofenil)-1-metil-allilidenaminooximetil)-fenil) -2-metoxiimino-N-metil-acetamida.