Bacillus thuringiensis strain and metabolite which are active against corn rootworm
AssigneesBiodiscovery New Zealand Limited, AgraQuest, Inc.
InventorsChris N. Chilcott, Peter Wigley, Andrew Broadwell, Sherry Darlene Heins, Pamela Gail Marrone
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Abstract
The present invention relates to a newly isolated Bacillus thuringiensis strain which exhibits insecticidal activity. The supernatant of cultures of this novel strain is also an effective insecticidal agents. Also included in the invention are the novel B. thuringiensis isolate, its supernatant and a solvent extract of the supernatant which are specifically active against corn rootworm but not against beet armyworm, nematodes or flies. These strains and supernatants may be used to treat plants infected with susceptible organisms.
Claims7
An isolated, pure culture of a novel strain of Bacillus thuringiensis BD#32, NRRL B-21530, or mutants thereof that maintain all the identifying characteristics of the deposited strain, wherein said strain exhibits insecticidal activity against corn rootworm but not against Drosophila.
Dependencies are inferred from the claim text.