Abstract
One of the efforts in population control of Aedes aegypti is by fogging, basil leaf is oneof natural insecticide that can be replaced with current chemical one that are commonlyused. Our aim is to measure effectiveness of basil leaf extract on Knockdown time ofAedes aegypti and effective concentration on spray usage. Twenty mosquitoes with sixdifferent intervention, each 5%, 10%, 25%, 50%, positive control, and negative control.All intervention repeated 4 times in every 5 minutes for about 1 hour. The results willbe statistically analysed using one-way ANOVA. Results: concentration of 5% and 10% have KT50 with Insecticide Score of 1 and 2 respectively without any Knockdownconcentration; concentration of 25% have KT50 with Insecticide Score of 3 and WeakKnockdown; concentration of 50% have KT50 with Insecticide Score of 5 and QuickKnockdown. Kruskall-Wallis test p-value=0,000 (p<0,05) with Spearman correlation of+0,87 or 87%. The most effective concentration on Knockdown time of Aedes aegyptiis 50%. In conclusion, Basil extract can be effecctifely used as natural and alternativeinsecticide for fogging.
Highlights
IntroductionFever (DF) and Dengue Hemorrhagic Fever (DHF) that has been distributed in tropical countries
Aedes sp. mosquito is vector of DengueFever (DF) and Dengue Hemorrhagic Fever (DHF) that has been distributed in tropical countries
Research revolved around utilization of basil leaf extract in controlling vectors by spraying Ae. aegypti without disregarding its life span affecting factors such as temperature and humidity
Summary
Fever (DF) and Dengue Hemorrhagic Fever (DHF) that has been distributed in tropical countries. Fogging is not recommended anymore as in 2013, Wahyudin, Head Section of Disease Control from Ministry of Health in Garut regency stated that fogging with commonly used insecticide is an ineffective way to exterminate DHF vectors, it induces mutation that promote resistancy of Ae. aegypti. Research revolved around utilization of basil leaf extract in controlling vectors by spraying Ae. aegypti without disregarding its life span affecting factors such as temperature and humidity. Twenty Ae. aegypti mosquitoes placed in each box were sprayed with each concentration of basil extract in 4 repetitions. Spearman test resulted in p-value = 0.001 < 0.05 with coefficient correlation +0.87 or 87%, means that there exist high correlation of concentration basil leaves extract with knockdown time. The higher concentration of basil leaves extract, the faster knockdown time on Ae. aegypti mosquitoes
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