the invention relates to a herbicidal composition, the composition comprising an aqueous suspension of microcapsules, the microcapsules having a capsule shell consists of a polymer type condensation product of porous microcapsules containing a solution of fluroxypyr in a system. th solvent consisting of rosin and rosin or a rosin or derivative.the invention also relates to a composition, comprising microcapsules, the microcapsules having a capsule shell consists of a polymer type condensation product of porous microcapsules containing a solvent of fluroxypyr and consisting of resin and / or d u00e9riv u00e9 of rosin.the invention also relates to a process for preparing a composition for a herbicide.the method comprising the steps of using a non water miscible phase consisting of fluroxypyr and dissolved in a solvent, isocyanate system consisting of rosin, rosin base and / or a rosin derivative； using an aqueous phase comprising one or several a combination of surfactants, the phase is not miscible with water and the aqueous phase to form a dispersionthe water immiscible phase in the aqueous phase, in addition to the dispersion thus obtained, an amine, which is the polyur u00e9e microcapsules containing droplets of the immiscible phase with water； and to harden the microcapsules.L'invention porte sur une composition herbicide, la composition comprenant une suspension aqueuse de microcapsules, les microcapsules ayant une enveloppe de capsule constituée d'un polymère de type produit de condensation poreux, les microcapsules contenant une solution de fluroxypyr dans un système solvant à base de colophane comprenant de la colophane et/ou un dérivé de colophane. L'invention porte également sur une composition herbicide comprenant des microcapsules, les microcapsules ayant une enveloppe de capsule constituée d'un polymère de type produit de condensation poreux, les microcapsules contenant du fluroxypyr et un solvant comprenant de la colophane et/ou un dérivé de colophan
