A composition comprising at least a compound (a) of general formula (I):and an insecticide compound (b) in a (a)/(b) weight ratio of from 1/1 to 1/1013. A composition further comprising an additional fungicidal compound. A method for preventively or curatively combating the pests and diseases of crops and increasing their yield by using this composition.本發明係關於一種組合物,其包括至少一種通式(I)之化合物(a):及殺昆蟲劑化合物(b),其中(a)/(b)之重量比為1/1至1/1013。本發明係關於一種組合物,其進一步包括另一殺真菌劑化合物。本發明係關於一種藉由使用此組合物預防性或治療性抗擊農作物之害蟲及病害且增加其產量之方法。