Valicente, F.H. Lana, U.G. de P. Molecular characterization of the Bacillus thuringiensis (Berliner)strains 344 and 1644, efficient against fall armyworm Spodoptera frugiperda (J.E. Smith) Subjects--Topical Terms: MILHOLAGARTAGENEIDENTIFICAÇÃOSPODOPTERA FRUGIPERDABACILLUS THURINGIENSISBACTERIACONTROLE BIOLÓGICOANÁLISE COMPARATIVA