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Revista Cubana de Farmacia
versión On-line ISSN 1561-2988
Resumen
HERNANDEZ CARVAJAL, Jorge Enrique; FLOREZ ORJUELA, Yolanda y VALLEJO, Gustavo Adolfo. Insecticidal activity assessment of Solanum macranthum (Dunal) on IV and V stages nymphs of Rhodnius pallescens, Rhodnius prolixus, Rhodnius colombiensis. Rev Cubana Farm [online]. 2010, vol.44, n.1, pp. 71-78. ISSN 1561-2988.
Chagas' disease or American trypanosomiasis is a chronic parasitic condition caused by Trypanosoma cruzi which is transmissible by many Triatoma species. Such disease is a public health problem in Tolima department, Colombia affecting the populations with low economic incomes, mainly the indigenous ones. Taking into account the resistance of Triatoma to conventional insecticides, and from the biologic and chemical point of view, it is necessary to look for new control alternatives for these insects. In this research we assessed the insecticidal activity in nymphs of IV and V stage from Rhodnius pallescens, Rhodnius prolixus and Rhodnius colombiensis using hydro-alcoholic extracts from Solanum macranthum (Dunal) leaves at different concentrations exposed during 12, 24 and 36 hours. Solanum macrathum (Dunal) had a maximum insecticidal activity after 24 hours and using lower concentrations (0,3 mg/mL).
Palabras clave : Solanum macranthum (Dunal); biological activity; botanical insecticide; Chagas's disease.