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Pengaruh Konsentrasi Tawas pada Air Sumur terhadap Daya Tetas Telur Nyamuk Aedes aegypti di Laboratorium

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Dengue Hemorrhagic Fever (DHF) still be public health problem that was quite serious in Indonesia. Dengue Hemorrhagic Fever (DHF) is caused by dengue virus and transmitted by the Aedes aegypti mosquito. The main breeding place of Ae. aegypti is the water container that does not relate directly to the ground, like a cistern, jars and other containers which contain of clean and clear water. Beside of that the other factor contribute to the survival of Ae. aegypti is the water that is free from chemicals. Alum is widely used by the Indonesian community as water purifier because of its use is very cheap and easily obtained. This research objectives were 1). To determine if alum effect on hatchability of Ae. aegypti eggs in the laboratory. 2). To know the LC50 and LC90 of alum on the hatchability Ae. aegypti eggs. The research design is a Post Test Only Control Group Design, with 7 treatments of various concentrations of alum and four replicates. Alum concentration were used 2.8 g/l, 1.96 g/l, 1.37 g/l, 0.96 g/l, 0.67 g/l, 0.47 g/l, 0.33 g/l, 0.23 g/l and 0.16 g/l. The data were analyzed using Kruskall Waillis test, and to determine of LC50 and LC90 probit analysis was used. Result showed that the alum in well water can reduce hatchability of Ae. aegypti eggs, if provided in the highest concentration of 2.8 g/l. There were significant differences at various alum concentration on the percentage of Ae. aegypti eggs hatching. The higher concentration of alum, it makes the numbers of eggs hatched smaller. Data processing with probit analysis program showed that the inhibition of eggs hatching by 50% at concentrations of 0.19616 g / l and 90% at concentrations of 0.40088 g / l. Based on these results alum can be used as an alternative in a decrease of Ae. aegypti density.

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Series Title

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Call Number

Vektora, J. Vektor dan Reservoir Peny II (1)2010:2

Publisher

Salatiga : Balai Besar Penelitian dan Pengembangan Vektor dan Reservoir Penyakit., 2010

Collation

13p

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ISBN/ISSN

2085-868X

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Edition

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Subject(s)

DENGUE HEMORHAGIC FEVER

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