Insecticidal composition of bacillus thuringiensis serovar israelensis, DSM 3435 and DSM 3440
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United States of America Patent
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Jan 11, 1994
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N/A
app pub date -
Jun 11, 1992
filing date -
Nov 27, 1985
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Expired
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Abstract
The invention is an insecticidal composition which comprises a crystalline toxin, a carrier, and diluent. Further, the invention encompasses a method of controlling insects of the order Diptera utilizing the insecticidal composition. The active ingredient, or crystalline toxin, is obtained by culturing asporous strains of Bacillus thuringiensis serovar israelensis, DSM 3439 and DSM 3440, under specific culture conditions. The crystalline toxin is separated from lysed sporangium and prespore in the culture.
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