Author(s): A. Ramathilaga | A.G. Murugesan | C. Sathesh. Prabu
Journal: Proceedings of the International Academy of Ecology and Environmental Sciences
ISSN 2220-8860
Volume: 2;
Issue: 2;
Start page: 90;
Date: 2012;
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Keywords: biocontrol | Chikunguya | Aedes aegypti | Peanibacillus macerans | Bacillus subtilis | Bacillus thuringiensis subsp israelensis
ABSTRACT
Two bacterial species were isolated from dead mosquito larvae. They were identified as Peanibacillus macerans and Bacillus Subtilis. They were examined for their mosquito larvicidal activity against chikunguya vector Aedes aegypti (Diptera: Culucidae). The LC50 values of P. macerans and B. subtilis were recorded 70.99, 50*10^6 cells /ml and 58.97, 49*10^6 cells /ml for 24h and 48h, respectively. The LC50 value of the procured culture Bacillus thuringiensis subsp israelensis also detected. It was noted as 152.02 and 50*10^6 cells /ml for 24hrs and 48hrs. A. aegypti was the most susceptible to B. subtilis. It has the highest relative susceptibility (RS) value.
Journal: Proceedings of the International Academy of Ecology and Environmental Sciences
ISSN 2220-8860
Volume: 2;
Issue: 2;
Start page: 90;
Date: 2012;
VIEW PDF
DOWNLOAD PDF Original pageKeywords: biocontrol | Chikunguya | Aedes aegypti | Peanibacillus macerans | Bacillus subtilis | Bacillus thuringiensis subsp israelensis
ABSTRACT
Two bacterial species were isolated from dead mosquito larvae. They were identified as Peanibacillus macerans and Bacillus Subtilis. They were examined for their mosquito larvicidal activity against chikunguya vector Aedes aegypti (Diptera: Culucidae). The LC50 values of P. macerans and B. subtilis were recorded 70.99, 50*10^6 cells /ml and 58.97, 49*10^6 cells /ml for 24h and 48h, respectively. The LC50 value of the procured culture Bacillus thuringiensis subsp israelensis also detected. It was noted as 152.02 and 50*10^6 cells /ml for 24hrs and 48hrs. A. aegypti was the most susceptible to B. subtilis. It has the highest relative susceptibility (RS) value.