3 research outputs found
Determination of LC50 value of Nicotiana tabacum L. extract against Tenebrio molitor and Zophobas morio larvae
Tobacco has lots of active compounds that can be used as raw material for making natural insecticides. Tenebrio
molitor and Zophobas morio are examples of agricultural pests. The purpose of this study was to determine LC50 values of
tobacco extract on Tenebrio molitor and Zophobas morio. Previous research showed that tobacco extract had neurotoxin
activity and nicotine was the highest content contained in the tobacco leaves. Tobacco extract was obtained by the Extended
Heat Reflux Extraction method with ethanol solvent. LC50 values of tobacco extract for Tenebrio molitor and Zophobas
morio were 21.1 mg/ml and 71.1 mg/ml, respectively
Determination of LC50 value of Nicotiana tabacum L. extract against Gryllus bimaculatus imago and Galleria mellonella larvae
Replacement of synthetic pesticide with natural pesticide is highly demanding because it is more
environmentally friendly. Tobacco is majorly exploited for cigarettes production. Therefore, it needs to be developed for
other alternative products, one of which is insecticide due to nicotine content and other toxic compounds. This research
aimed to determine the effectiveness of tobacco as an insecticide for Galleria mellonella and Gryllus bimaculatus. The
raw material used in this study was the leaf extract of Nicotiana tabacum L., var. Virginia that was obtained by Ethanolic
Heat Reflux Extraction (EHRE) technique. After testing on the insects, LC50 values were 36.6 mg/ml for Galleria
mellonella and 38.5 mg/ml for Gryllus bimaculatus