World Journal of
Pharmaceutical and Life Sciences

An International Peer Reviewed Journal for Pharmaceutical and Life Sciences
An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)
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Abstract

LARVICIDAL EFFECT OF TRIDAX PROCUMBENS AND AZADIRACHTA INDICA PLANT EXTRACT AGAINST AEDES AEGYPTI AND CULEX QUINQUEFASCIATUS

R. Selva Seematti* and V. Prabakaran

ABSTRACT

Aedes aegypti is a vector for transmitting several tropical fevers which include dengue virus and the virus spread to other disease including mosquito salivary gland. Whereas Culex quinquefasciatus found in eutropic water of artificial containers and in open pond, diectuss train of sewage. It is important to develop the non-toxic and inexpensive method to conclude the mosquito larvae using medicinal important plant extract such as Azadirachta indica and Tridax procumbens. The larvae were categorized based on their prey size such as 4th instar larvae of both species. Tridaax procumbens revealed larval growth incubation were as Azadirachta india extracts as bio-pesticides and as natural insecticides proved to be an efficient and inexpensive and non-toxic method for control of mosquito. The percentage of prey killed of culex quinquefasciatus at 5% concentration revealed 82% at 10mg/ml and At different concentration of the Azadirachta indica leaf observed for the period of 24 hours exposed to the prey density of 25 showed an increased percentage of prey killed of 90%. The larvae mortality rate at 10 mg/ml of leaf extract found exhibit at maximum activity against Aedes agypti. The results demonstrate and excellent activity which contributes to rare opportunity of natural control. Similary, Tridaax procumbens showed increased the higher larval (culex quinquefasciatus) mortality was found to 62% at the concentration of 10mg/ml and Aedes agypti percentage of prey killed was found to be 74% at the concentration of 10mg/ml.

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