Evaluación del efecto larvicida del extracto etanólico de persea americana (aguacate, variedad lorena) sobre larvas de cuarto estadio de aedes aegypti en condiciones de laboratorio

Abstract

The larvicidal effect of Persea americana (avocado) on Aedes aegypti stage 4 larvae was evaluated under laboratory conditions. 7 treatments were used in the laboratory from 20pmm to 70ppm, where it was obtained that the ethanolic extract of Persea americana is a favorable alternative, because the highest lethality recorded was 90% at concentration of 70 ppm after 48 hours of exposure, and the lowest lethality at a concentration of 20 ppm, which showed a lethality of 10% in the individuals who were exposed to the substance, the lethal time of 50% was reached after 48 hours in concentration of 40 ppm and 90% at 48 hours in concentration of 70 ppm.