Translation research articles Abstract
The use of botanicals as an alternative to the chemical compounds is gaining tremendous momentum
because. Of its multifarious advantages. In view of its, increasing interest an attempt was made in the present
study to assess the. Larvicidal potential of important plant like Ocimum sanctum against three mosquito
species.The third instar larvae were exposed to different concentrations (i.e. 50 100 150 200,,, and 250 ppm)
of methanol ethyl,, Acetate and hexane extracts of O. Sanctum plant. The mortality was recorded after 24 hrs
exposure and LC50 and LC90 were. Determined. The present investigation revealed that the LC50 and LC90
values methanol ethyl acetate, and hexane extracts. Of O.Sanctum against Culex quinquefasciatus larvae were
101.32 112.18 and, 120.87 mg / L; 182.32 193.96 and, 202.61 mg / L respectively,,. The results clearly show
that larvicidal activity was dose reliant. The highest larvicidal activity against Culex quinquefasciatus. Was
obtained with methanol extract of O. Sanctum.
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