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Characterization of Bacillus thuringiensis subsp. kurstaki strain S93 effective against the fall armyworm (Spodoptera frugiperda)


Characterization of Bacillus thuringiensis subsp. kurstaki strain S93 effective against the fall armyworm (Spodoptera frugiperda)



Canadian Journal of Microbiology 45(6): 464-471



ISSN/ISBN: 0008-4166

DOI: 10.1139/w99-032

A Brazilian strain of Bacillus thuringiensis subsp. kurstaki, designated S93, was analysed regarding its cry gene and protein contents and activity against the fall armyworm (Spodoptera frugiperda). Bioassays using lyophilized powders of S93 or HD-1 and third-instar larvae of S. frugiperda showed a 12.3-fold lower LC50 for the S93 strain when compared with the standard HD-1 strain.

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Accession: 003064332

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