Inheritance and stability of Cry2Ab2 resistance in an Ostrinia nubilalis strain originating from Wisconsin, U.S.
BACKGROUND Transgenic corn expressing insecticidal proteins from the bacterium Bacillus thuringiensis (Bt), including Cry1Ab, Cry1Fa and/or Cry1A.105/Cry2Ab2, has been used to control Ostrinia nubilalis since 1996. Extensive reliance on Bt corn has led to practical resistance of O. nubilalis to Cry1 Bt corn in Canada a...