Efficacy of transgenic corn expressing the Bacillus thuringiensis cry IA(b) gene against Asiatic corn borer, Ostrinia furnacalis (Guenee)
1997
Fernandez, E.C. | Dalmacio, S.C. | Hautea, R.A. (Philippines Univ. Los Banos, College, Laguna (Philippines). Inst. of Plant Breeding)
Transgenic corn plants (MON 810) expressing the Bacillus thuringiensis cry IA(b) gene were evaluated for efficacy against repeated artificial infestations with Asiatic corn borer Ostrinia furnacalis (Guenee) at the CL4 confinement facility of IRRI [International Rice Research Inst., Los Banos, Laguna, Philippines]. The transgenic plants were highly resistant to foliar damage by the borer throughout the three infestation periods compared to an equivalent non-Bt hybrid and a local check variety, Supersweet corn. The number and length of borer tunnels in the stalk and the length of tunnels in the ear shank of the transgenic plants were also significantly reduced
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