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US 5,595,733 AGranted
Methods for protecting ZEA mays plants against pest damage
AssigneeCiba-Geigy Corporation
InventorsGleta Carswell, Christian Harms, Yin-Fu Chang, Mary-Dell Chilton
Life of this patent
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Abstract
According to the invention there is provided a method of controlling insect larvae comprising the steps of feeding said larvae an insecticidal amount of a transgenic Zea mays plant that expresses a polypeptide having the insect toxicity properties of Bacillus thuringiensis crystal protein.
Claims4
A method of controlling insect larvae comprising:
- (a) feeding the larvae an insecticidal amount of transgenic Zea mays cells containing an isolated or synthetic DNA which encodes a polypeptide having the insect toxicity properties of a Bacillus thuringiensis crystal protein, wherein the cells have been grown or cultured in a manner to permit expression of the toxin in the cells.
Dependencies are inferred from the claim text.