Abstract
Larval stage control using temephos, a chemical larvicide powder, was not completely safe. WHO recommended to use biological controls. Jackfruit leaves which contain saponins, flavonoids, and tannins can be used as alternate. This study was conducted to determine the effectivity of jackfruit leaves (Artocarpus heterophyllus L.) infusion on the mortality of Aedes aegypti larvae using post test only control group design. 600 of Aedes aegypti larvae were divided into 1 control group and 5 experiment groups that consist jackfruit leaves infusion concentrations of 4%, 8%, 12%, 16%, 20% with four times replication. The mortality of larvae was observed every 8 hours to 48 hours. The LC50 and LT50 were obtained by probit analysis were 3.842% and 2.150 hours. In the repeated Kruskal-Wallis test and Mann-Whitney, there were significant differences (p<0.05) in the mortality of Aedes aegypti larvae that died based on differences in the concentration of jackfruit leaf infusion. In the Spearman test, there were significant correlations (p<0.05) between the concentration of jackfruit leaves infusion and the mortality of Aedes aegypti larvae and the death rate of Aedes aegypti larvae. The results of the study are expected to be alternatives to chemical larvicides commonly used by the community.
Highlights
Dengue Haemorrhagic Fever (DHF) is one example of the Indonesian public health problems with a various number of sufferers and spreading areas
From the probit analysis it was found that the Lethal Concentration 50 (LC50) value or the concentration of jackfruit leaf infusion that can cause 50% of larvae death is 3.842%
Whereas the LT50 value or time needed for jackfruit leaf infusion to cause 50% death of larvae is 2,150 hours (Table 1)
Summary
Dengue Haemorrhagic Fever (DHF) is one example of the Indonesian public health problems with a various number of sufferers and spreading areas. The disease that were caused by dengue virus is carried by Aedes aegypti mosquito as one of its main vectors.[1] Various methods have been used to prevent and overcome DHF, one of the example is by controlling Aedes aegypti mosquito vector through eradication of mosquito nests, larva, and the adult stage.[2]. The mosquito vector populations control that performed during the larva stage is easier compared to the other stages.[3] The eradication of the larva stage that commonly use temephos chemical larvicide powder with the trademark abate® apparently is not completely safe, because it can cause several side effects such as poisoning reaction, environmental pollution, and resistance.[4] the World Health
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