Preparation of strains of Bacillus thuringiensis having an improved activity against certain lepidopterous pests and novel strain produced thereby
1987
Burges, D.H. | Jarrett, P.
The invention relates to a strain of Bacillus thuringiensis, GC 91, a sample of which has been deposited under the accession number NCTC 11821, or a derivative or mutant thereof having entomocidal activity against lepidopterous pests. The invention also relates to a process for producing a strain of Bacillus thuringiensis having improved emtomocidal properties by combining into a single strain by plasmid transfer the different entomocidal properties of two respective starting strains. The new strains thus produced are useful in entomocidal compositions.
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