Abstract
Helicoverpa armigera (Hübner, 1805) (Lepidoptera: Noctuidae) is an important exotic pest, highly polyphagous and widely distributed. The use of Cry proteins, produced by the bacterium Bacillus thuringiensis (Bt) has been widely used to control this pest worldwide, either in the form of bioinsecticides and/or transgenic plants expressing proteins of this bacterium. Among the Cry toxins tha…