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| Bacillus Thuringiensis |
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| Berliner (B.t. variety kurstaki): Dipel, Thuricide, Bactospeine, Leptox, Novabac, Victory. Certan (B.t. variety aizawa). Teknar (B.t. variety israelensis). |
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| 68038-71-1 |
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Bacillus thuringiensis (B.t.) is a naturally-occurring soil bacterium that produces poisons which cause disease in insects. A number of insecticides are based on these toxins . B.t. is considered ideal for pest management because of its specificity to pests and because of its lack of toxicity to humans or the natural enemies of many crop pests . There are different strains of B.t., each with specific toxicity to particular types of insects: B.t. aizawai (B.t.a.) is used against wax moth larvae in honeycombs
B.t. israelensis (B.t.i.) is effective against mosquitoes, blackflies and some midges
B.t. kurstaki (B.t.k.) controls various types of lepidopterous insects, including the gypsy moth and cabbage looper. A new strain, B.t. san diego, has been found to be effective against certain beetle species and the boll weevil. In order to be effective, B.t. must be eaten by insects in the immature, feeding stage of development referred to as larvae. It is ineffective against adult insects. Monitoring the target insect population before application insures that insects are in the vulnerable larval stage . More than 150 insects, mostly lepidopterous larvae, are known to be susceptible in some way to B.t. . |
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CAS #: (B.t. variety kurstaki) 68038-71-1
H2O solubility: emulsifies
suspendable
-- vars. israelensis and kurstaki: insoluble in water
Solubility in other solvents: vars. israelensis and kurstaki: insoluble in organic solvents
Flash point: over 400 degrees, var. kurstaki
Chemical Class/Use: Biological insecticide
There have been reports of air emissions of 0.5 kg of particulates per metric ton of pesticide produced
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