ABSTRACT The main pest that attacks the sweet corn plant is the sweet corn cobs mover (Helicoverpa armigera Hubner. Pest control can be done using botanical insecticide babadotan plants (Ageratum conyzoides L.). The aim of this research was to get a effective concentration of babadotan leaf flour extract against of H. armigera larvae in the Laboratory. The research was conducted at the Pla…