BIOAKTIVITAS EKSTRAK DAUN SOSOR BEBEK (Kalanchoe daigremontiana Hammet & Perrier ) TERHADAP LARVA KUMBANG KOKSI (Epilachna vigintioctopunctata Fabricius

, ,. Melanie, Wawan Hermawan, Unang Supratman


The research of the bioactivity effect of the leaves extract Kalanchoe daigremontiana Hammet & Perrier (Crassulaceae) against the fourth instar larvae of Epilachna vigintioctopunctata Fabricius (Coleoptera) the harm of Solanaceae were conducted at Laboratory of Animal Taxonomy, Department of Biology, FMIPA UNPAD Jatinangor. The experiment of bioassay test was conducted with observasion in 1 x 24 hours and continue to antifeedant test with no choice test. The data were analysed by the Mann Whitney U test to compare between the control with the treatments. The result showed that the leaves extract of Kalanchoe daigremontiana have antifeedant bioactivity against to early fourthinstar larvae of E. vigintioctopunctata which significantly reduce the feeding activity of larvae at  78,125 ppm, 156,25 ppm, 312,5 ppm, 625 ppm, 1250 ppm, 2500 ppm, dan 5000 ppm concentrations.


Extract, Kalanchoe daigremontiana, instar, Epilachna vigintioctopunctata, antifeedant


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