Investigation of Bacillus thuringiensis var. israelensis (Bti) endotoxin production and analysis of efficiency of Bti against mosquito larvae
Journal Title: Journal of BioScience and Biotechnology - Year 2015, Vol 4, Issue 1
Abstract
Mosquitoes are dangerous to mankind and are threatening human life worldwide. Insect specific toxins, which are commonly produced by Bti, are becoming an important component of biological strategies to control mosquito's population that causes communicable or life threatening diseases. These insect specific toxins are commonly known as biolarvicides. Biolarvicides of strain Bti are highly effective against mosquito's larvae at very low doses and show no harmful effects to other non-target organisms. Therefore, Bti has been extensively used in mosquito control programs. No field resistance has been observed in mosquitoes populations treated with Bti. This suggests that Bti will be an effective biocontrol agent for years. In the present study, we evaluated the efficacy of Bti against mosquito larvae (Culex quinquefasciatus) commonly found in central India, Bhopal, Madhya Pradesh. The formulation was effective in killing mosquito larvae and its international toxic unit was found to be 5200 ITU/mg.
Authors and Affiliations
RASHMI GWAL, VIVEK MISHRA, AAYUSH KUKREJA
Keywords
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