Abstrak

Baca Juga : UJI LARVASIDA EKSTRAK METANOL DAUN ZODIA (EVODIA SUAVEOLEN SCHEFF) TERHADAP LARVA AEDES AEGYPTI INSTAR III (Muhammad Satria, 2015) ,

Baca Juga : UJI EFEKTIFITAS EKSTRAK METANOL CABAI HIJAU (CAPSICUM ANNUUM L. VAR. ANNUUM) TERHADAP KEMATIAN LARVA NYAMUK AEDES AEGYPTI INSTAR III (Hendra Dwitanto, 2016) ,

perbedaan yang signifikan antara kelompok perlakuan 3000 ppm, 4000 ppm, dan kelompok kontrol positif. uji probit menunjukkan nilai lc50 pada perlakuan adalah 1052,184 ppm dan lc90 pada perlakuan adalah 3454,386 ppm. kesimpulan dari penelitian ini adalah ekstrak metanol biji mahoni (swietenia macrophylla king) memiliki aktivitas larvasida terhadap larva aedes aegypti instar iii dan tidak terdapat konsentrasi yang paling efektif dalam membunuh larva. kata kunci: aedes aegypti, larvasida, swietenia macrophylla king. aedes aegypti is the vector of dengue fever that is spread rapidly around the world in recent years. one way to decrease the number of dengue fever cases is to perform vector control. the purpose of this study was to determine the larvicidal activity of methanol extracted from mahogany seeds (swietenia macrophylla king) against instar iii aedes aegypti larvae and to determine the most effective concentration to kill the larvae. this study used a completely randomized design (crd) with 6 treatments and 4 repetitions. the treatment consisted of mahogany seed extract at concentrations of 1000 ppm, 2000 ppm, 3000 ppm, 4000 ppm, positive control (abate) and negative control (distilled water). data acquired from the research were analyzed using anova test and the results obtained shows significant larval mortality. duncan test shows difference between the negative groups treated with concentrations of 1000 ppm and 2000 ppm. however, there are no significant differences between treatment groups of 3000 ppm, 4000 ppm, and the positive control group. probit test shows that the amount of lc50 in the treatment is 1052.184 ppm treatment and the amount of lc90 in the treatment is 3454.386 ppm. the conclusion of this study is the methanol extracted from mahogany seeds (swietenia macrophylla king) has a larvicidal activity against instar iii aedes aegypti larvae and there is no effective concentration to kill the larvae. keywords: aedes aegypti, larvacide, swietenia macrophylla

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