Stabilized liquid cyclopropene compositions are provided which comprise flowable, non-aqueous dispersion concentrates comprising a) a continuous substantially water-immiscible liquid phase and b) a dispersed solid phase comprising cured polymer particles prepared from a polymerizable thermoset resin which particles contain at least one cyclopropene complex, optionally a non-porous particulate mineral, and optionally a non-cross-linkable mobile chemical distributed therein, and wherein the outside surfaces of the particles comprise a colloidal solid material. The compositions of the invention can be used directly or with dilution to combat pests or as plant growth regulators.本發明提供穩定化的液體環丙烯組成物，其包含可流動非水性分散液濃縮物，該濃縮物包含a)連續的實質上與水不混溶的液相和b)分散的固相，該固相包含由可聚合的熱固性樹脂製備的固化聚合物顆粒，該顆粒包含至少一種環丙烯錯合物，可選擇地含有非多孔性微粒礦物，以及可選擇地含有非可交聯移動性化學物質分佈於該顆粒中，其中該顆粒外表面包含膠狀固體物質。本發明的組成物可直接地或經稀釋後用於對抗有害生物或作為植物生長調節劑。
