Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A soil bacterium (Bacillus thuringiensis) that produces proteins toxic to certain insects. It has been used as an insecticide, and genes for the toxins have been incorporated into genetically modified crop plants to control insect pests.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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The chemical in question, Bt, is technically organic.
The Media Consortium: Weekly Mulch: When Will Our Water Be Clean? The Media Consortium 2010
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The chemical in question, Bt, is technically organic.
The Media Consortium: Weekly Mulch: When Will Our Water Be Clean? The Media Consortium 2010
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Coimbatore: An attempt to stage a demonstration against Genetically Modified seeds in the name Bt inside the Tamil Nadu Agricultural University (TNAU) during the visit of the Governor of Tamil Nadu and Chancellor of TNAU, Surjit Singh Barnala created a flutter on Monday.
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The anti-GM camp had reason to cheer a few weeks earlier as well, when Environment Minister Jairam Ramesh abruptly put a moratorium on an insect-resistant variety of aubergine seed, known as Bt brinjal, on the eve of its much-hyped launch.
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The anti-GM camp had reason to cheer a few weeks earlier as well, when Environment Minister Jairam Ramesh abruptly put a moratorium on an insect-resistant variety of aubergine seed, known as Bt brinjal, on the eve of its much-hyped launch.
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The anti-GM camp had reason to cheer a few weeks earlier as well, when Environment Minister Jairam Ramesh abruptly put a moratorium on an insect-resistant variety of aubergine seed, known as Bt brinjal, on the eve of its much-hyped launch.
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Inserted genes from a soil bacterium produce an insect-killing poison called Bt-toxin in every cell of the plant.
Jeffrey Smith: Lyme/Autism Group Blasts Genetically Modified Foods as Dangerous 2010
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Biotech companies claim that the pesticide, called Bt-produced from soil bacteria Bacillus thuringiensis-has a history of safe use, since organic farmers and others use Bt bacteria spray for natural insect control.
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Consider corn varieties engineered to produce a pesticidal protein called Bt-toxin.
Potential Health Hazards of Genetically Engineered Foods 2008
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Consider corn varieties engineered to produce a pesticidal protein called Bt-toxin.
Potential Health Hazards of Genetically Engineered Foods 2008
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