Abstract Herbicidal microemulsion for cotton crops and method for the preparation of the same The herbicidal microemulsion includes herbicidally active compounds sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-ylthio) (pyrithiobac sodium) in 4.5 - 7.5 % by weight of the composition and ethyl (2RS)2-[4(6-chloroquinoxalin-2-yloxy) phenoxy] propionate (quizalofop-ethyl) in 3.0 5.0% by weight of the composition in combination with water in 12.0 to 40.0% by weight of the composition and atleast one non-aqueous polar solvent in 15.0 28.0 % by weight of the composition, atleast one non-polar solvent in 15.0 50.0% by weight of the composition, atleast one anionic surfactant in 1.6 to 5.0% by weight of the composition, atleast one non-ionic surfactant in 1.5 to 5.9% by weight of the composition and atleast one humectant in 5% by weight of the composition. The microemulsion is prepared by mixing the constituents under stirring at 25 - 30°C.
