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Journal of Entomological Research
Year : 2009, Volume : 33, Issue : 1
First page : ( 15) Last page : ( 31)
Print ISSN : 0378-9519. Online ISSN : 0974-4576.

A review on futuristic domain approach for efficient Bacillus thuringiensis (Bt) applications

Srivastava C.N.*, Maurya Prejwltta, Sharma Preeti, Mohan Lalit

Applied Entomology and Vector Control Laboratory, Department of Zoology, Faculty of Science, Dayalbagh Educational Institute (Deemed University), Dayalbagh, Agra - 282 005, U.P., India.

*Address for Correspondence: Applied Entomology Vector Control Laboratory, Department of Zoology, Faculty of Science, Dayalbagh Educational Institute (Deemed University), Dayalbagh, Agra - 282 005, India; E-mail: chandnarayan_dei@rediffmail.com; Tel.: +91-9319103817 (R); Fax: +91-562-2801226 (O).

Accepted:  25  January,  2009.

Abstract

Among the microbial pesticides, Bt has been used in the control of more than 130 species of lepidopterans, dipterans and coleopterans. The crystal protein and cytolytic toxins produced during the sporulation are the active pesticidal agents. To make these agents assessable for active applications and enhanced bioefficacy, certain amendments like aerial (natural oils, clay and flour), stablizers (lactose and sodium benzoate), binders (Gum arabic), surfactant (Tween 80), dispersants (Microcrystalline cellulose), light blockers (Lignin), stickers (Pregelatinized) etc. are made. Bt is successfully applied against number of agricultural pests of cereals, fiber, vegetables and fruits and also vectors like mosquito, housefly and stableflies. To overcome the resistance problem in the application of Bt, synergistic approach with the combination of Bt along with other bacterium, synthetic pesticide, and fungus against different lepidopteran and dipteran larvae has been advocated.

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