The invention relates to an anhydrous formulation comprising: a) a first pesticide in a dissolved form, b) a second pesticide in the form of suspended particles, c) an alkyl lactate, and d) an alcohol. The invention also relates to a method for controlling phytopathogenic fungi and/or unwanted plant growth and/or unwanted insect or acaride infestations, and/or for regulating the growth of plants. Said formulation is left to act on the respective pests, on the habitat thereof, or on the plants to be protected from the respective pests, on the ground and/or on unwanted plants and/or the useful plants and/or the habitat thereof. The invention also relates to the use of the formulation for increasing the resistance to rain of the applied pesticides.
