Mosquito Larvicidal Efficacy of Leaf Extract from Mangrove Plant Rhizophora mucronata (Family: Rhizophoraceae) against Anopheles and Aedes Species  

Jayaprakash K , Meenakshi S.V
Department of Biotechnology Karpaga Vinayaga College of Engineering and Technology Chinnakolambakkam, 603308, Tamilnadu, India
Author    Correspondence author
Journal of Mosquito Research, 2014, Vol. 4, No. 9   
Received: 15 Mar., 2014    Accepted: 24 May, 2014    Published: 01 Jan., 1970
© 2014 BioPublisher Publishing Platform

The crude extract of mangrove plant Rhizophora mucronata was prepared in this present work. The extract was testified for its antimosquito larvicidal property against two species of mosquito viz:     Anopheles stephensi and Aedes aegypti. The 48 hours exposure of various dilutions of 100, 200, 300, 400, 500 ppm were given to the III to IV instar larval population. Percentage mortality data was analyzed statistically and compared. The larva of Anopheles stephensi was more susceptible than Aedes aegypti. This concept was substantiated by comparing the LC50 values of 3rd instar larva of both species. The results of histochemical demonstration for acetyl cholinesterase in supra esophageal ganglion had revealed the inhibition of acetyl cholinesterase by the treatments of plant extract. The above results are discussed with the advantages of bioactive antimosquito larval compound.

Antimosquito larvicide; Larvicidal principle; Mangrove plant; Acetyl cholinesterase inhibition; Pesticidal value

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