Description : | A process for preparation of suitable oil emulsifiable concentrate based on essential oil of the plants and its constituents. The active material of the essential oils of the plant or its constituents is dissolved in an appropriate solvents and suitable surfactant system of appropriate blend to obtain homogenous product complying with various physico-chemical, chemical and bioactivity requirements of emulsifiable concentrates. Applied in required concentration in water to control mosquito larvae. Its activity has been evaluated as a mosquito larvicide against the 4th instar larvae of Culex quinquefasciatus. |