Larvicidal activity of Aloe vera leaf extract against Aedes aegypti
Abstract
Aedes aegypti is the main vector of various arbovirus diseases, so effective and natural-based control alternatives are needed. Aloe vera is known to contain various bioactive compounds that have the potential to have insecticidal activity. This study aims to evaluate the effectiveness of Aloe vera leaf extract as a larvicide against fourth-instar A. aegypti. The study used fourth-instar A. aegypti larvae with A. vera extract concentrations of 0%, 0.3%, 0.6%, 0.9%, and 1.1%. Each treatment used 25 larvae with three replications. Larval mortality was observed after 24 hours. Data were analyzed using one-way ANOVA, Tukey's follow-up test, and probit analysis. A. vera extract showed increasing larvicidal activity with increasing concentration. The difference in mortality between treatments was statistically significant (p<0.001), and all concentration groups showed significant differences from each other based on Tukey's test. The LC50 value was found at a concentration of 0.591%. A. vera leaf extract has the potential as a botanical larvicide against fourth instar A. aegypti.
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