Fuente: WIPO "tomato" Liquid formulation comprising: a. one or more pesticides P, b. gamma-valerolactone, c. optionally further water miscible solvents different from gamma-valerolactone, d. a water immiscible solvent, e. surfactants, comprising a mixture of anionic and nonionic surfactants. where pesticide P is completely dissolved at 20 °C and where the formulation contains 15 to 90 wt% of said water immiscible solvent, preferably 20 to 70 wt%, where the ratio of said water immiscible solvent to gamma-valerolactone is higher than 0.7, preferably higher than 1.0.