A system and method for mixing and dispensing one or more pesticides includes a plurality of pesticide containers (5) for containing pesticide and at least one dosing device (7) associated with the pesticides containers and adapted to dose pesticide from the pesticide containers. A mixing device (9) receives pesticide from the dosing device and mixes the pesticide to form at least one of a pesticide solution and a pesticide mixture. A computer device (21) includes a processor and is adapted to receive an input from a user and based on that input operate the dosing device to dose a quantity of pesticide from one or more of the pesticide containers.