Claim 1: an agricultural co formulation comprising: (i) an effective amount of at least one Plant Growth RegulatorOr at least a Plant Growth Regulator and a Biologically Active Ingredient,A Crushed form which has an average size of particles in the range between 1 and 12 mm; (ii) at least one Oil; (iii) at least one dispersion Agent and Oil soluble Surfactant;(iv) at least one emulsifying agent; wherein the final concentration of at least one Plant Growth RegulatorOr at least a Plant Growth Regulator and a Biologically Active Ingredient,Fit to add additional Oil and optionally one or more Modifiers of the rheology and / or Activation agents, as requiredTo stabilize and substantially co Formulation in which the effectiveness of the Plant Growth Regulator is maintained or improved substantially.Claim 3: a co formulation according to claim 2, wherein the Plant Growth Regulator is Thidiazuron.Claim 8: a co formulation according to claim 1, wherein said at least one additional Biologically Active Ingredient is selected from a FungicideInsecticide, herbicide, acaricide, nematicide, a molluscicide, Algaecide, or a pesticide, or any mixture of them.Claim 13: a co formulation according to claim 1, wherein said at least one oil is selected from at least one paraffin oil,At least one Ester Seed Oil, at least an aromatic hydrocarbon, at least a Poly alkylenglycol ether Diester, at least one Fatty Acid, at least one alkylamine or acid Diamide,At least one dialquileno carbonate, at least a ketone, or at least any alcohol, or mixtures thereof.Claim 18: a co formulation according to claim 1,Characterized in that the Oil soluble Surfactant dispersion Agent comprises a condensation product of the reaction of Poly alkylenglycol or Poly alkylenglycol ether, and a Fatty acid.Claim 19: a co formulation according to claim 1, wherein the Oil soluble Surfactant dispersion Agent comprises a condensate of Random Polyether.Claim 20: a co formulation according to claim 1 which comprises also at least a rheology modifier.Claim 25: a method to prepare co formulation according to claim 1, comprising the following steps.Wherein the steps (c) and (d) may be performed in any order or in parallel: a) grinding said at least one Plant Growth RegulatorOr at least a Plant Growth Regulator and a Biologically Active Ingredient,To achieve an average particle size in the range between 1 and 12 microns, (b) add that at least a Plant Growth Regulator, crushed,Or at least a Plant Growth Regulator and a Biologically Active Ingredient, at least one Oil, either by agitation or High Shear mixing.To create a dispersion in oil; c) at least one add the Oil soluble Surfactant dispersion to dispersion in oil; (d) add that at least an emulsifying Agent to dIspersión Oil); and, Optionally, and adjust the temperature of the dispersion in oil to a value between Point and approximately 70 degrees centigrade with agitation; and, Optionally,(f) to adjust the final concentration of said at least one Plant Growth RegulatorOr at least a Plant Growth Regulator and a Biologically Active Ingredient, dispersionTo add additional Oil and one or more Modifiers of the rheology and / or Activation agents, as needed, to substantially stabilize the co formulation.
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