Toxicity of Purified Proteins and the HD-1 Strain from Bacillus thuringiensis Against Lesser Cornstalk Borer (Lepidoptera: Pyralidae)

Autor:	M. Pusztai-Carey, William J. Moar, T. P. Mack
Rok vydání:	1995
Předmět:	Bacillaceae Ecology biology General Medicine biology.organism_classification Bacillales Microbiology Lepidoptera genitalia Insect Science Bacillus thuringiensis Botany Toxicity Bioassay Bacteria Pyralidae
Zdroj:	Journal of Economic Entomology. 88:606-609
ISSN:	1938-291X 0022-0493
DOI:	10.1093/jee/88.3.606
Popis:	Toxicity of cryIA(a), cryIA(b), CryIA(c), CryIC, and CryIIA proteins, and the HD-1 strain of Bacillus thuringiensis was determined against neonate lesser cornstalk borer, Elasmopalpus lignosellus (Zeller), in diet incorporation bioassays. CryIIA was the most toxic of the individual proteins with an LC 50 (micrograms protein per gram diet) of 1.94. The LC 50 (micrograms protein per gram diet) for the HD-1 strain that contains all of the above mentioned proteins except CryIC was 5.46. The toxicity of CryIIA and the HD-1 strain suggests that these compounds could be used to efficaciously control E. lignosellus in peanut fields either in typical ground applications, or in the case of CryIIA, be overexpressed in other organisms such as plants or plant-colonizing bacteria.
Databáze:	OpenAIRE
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