Comparison of effects between extracts of tinospora tuberculata and lumnitzera racemosa plants against aedes aegypti larvae (diptera:culicidae)

Abstract

In recent years, the usage of environmentally friendly and biodegradable natural insecticides of plant origin have received and renewed attention as an effective agent for disease vector control. Thus, this study was carried out to examine the comparison of effect between herbal and mangrove plant in which the plants were extracted according to parts and tested against Aedes aegypti larvae. Leaf and stem of Tinospora tuberculata and Lumnitzera racemosa was extracted using 95% of Methanol and tested against 3rd instar Ae. aegypti (Diptera: Culicidae) larvae under laboratory condition. Exposure was done for 24 hours in the concentrations of 0.125mg/ml, 0.25mg/ml, 0.5mg/ml, lmg/ml and 2mg/ml. LC50 values obtained for crude extract of T. tuberculata stem and leaf were 0.5816 mg/ml and 0.7126 mg/ml whereas for L.racernosa, LC50 value for stem and leaf were 1.5664 mg/ml and l.7214 mg/ml. There were no significant difference for stem and leaf of both plant. This study indicated that both plant produce compounds for vector control which are friendly to the environment