UJI EFEKTIVITAS CAMPURAN EKSTRAK DAUN SERAI WANGI (ANDROPOGON NARDUS L.) DAN MINYAK ATSIRI BUNGA KENANGA (CANANGA ODORATA B.) SEBAGAI BAHAN AKTIF REPELLEN TERHADAP NYAMUK AEDES AEGYPTI L.

Helmiyetti, Helmiyetti and Manaf, Syalfinaf and Juliana, Juliana (2014) UJI EFEKTIVITAS CAMPURAN EKSTRAK DAUN SERAI WANGI (ANDROPOGON NARDUS L.) DAN MINYAK ATSIRI BUNGA KENANGA (CANANGA ODORATA B.) SEBAGAI BAHAN AKTIF REPELLEN TERHADAP NYAMUK AEDES AEGYPTI L. Konservasi Hayati, 5 (2). pp. 7-12. ISSN 0216-9487

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Abstract

This research was aimed to know effective concentration of mixed of Andropogon nardus L. leaves extract and essential oil of Cananga odorata B. flowers as an active ingredient of repellent on Aedes aegypti L. mosquitoes. The research was carried out at Laboratory of Entomology and Biological Control, University of Bengkulu since December 2006 until May 2007. Several steps of the research were the Aedes aegypti L. mosquitoes rearing mass, making of Andropogon nardus L. leaves extract, distilling of Cananga odorata B. flowers, making the mixed of Andropogon nardus L. leaves extract and essential oil of Cananga odorata B., preeleminary test, and effectivity test. Research design used Completely Randomized Design with 6 treatments and 4 replications, used 20 Aedes aegypti L. mosquitoes that had been fasted for 24 hours. Inhibitor Concentration at 50% (IC ) was analyzed by Probits analysis, then analyzed by ANOVA and followed by Duncan Multiple Range Test (DMRT). Preeleminary test resulted 2000 ppm for IC and 30000 ppm for IC 90 50 5. Concentrations that were used to effectivity test, that is 8000 ppm, 13000 ppm, 18000 ppm, 23000 ppm, and 28000 ppm. The Probits analysis of effectivity test resulted 19060.40 ppm of IC. DMRT showed each treatment of mixed extract significantly different statistically.50

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