Bacillus thuringiensis

(redirected from Bt cotton)
Also found in: Wikipedia.

Ba·cil·lus thu·rin·gi·en·sis

a bacterial species that is an insect pathogen used for vector control that has been implicated in human and mammalian infections. In the laboratory it may be misdiagnosed as a strain of Bacillus cereus.

Bacillus thuringiensis

(Bt) an entomopathogenic BACILLUS species that produces a TOXIN called delta (8) endotoxin, which kills insect larvae. The organism is used as a microbial INSECTICIDE for the BIOLOGICAL CONTROL of various LEPIDOPTERA. Genes for the toxin have been transferred to plants by GENETIC ENGINEERING techniques to make them insect-tolerant. See also BIOPESTICIDE.
References in periodicals archive ?
In the last 10 years, however, data show that pesticide utilization has stayed the same or raised all over the cotton belt, owing to insects that was made resistance to Bt cotton, and the rise of secondary pests.
No doubt, BT cotton has played an important role in enhancing per acre yield but still we are producing cotton with short lint which is generally regarded as low quality hence many textile mills owners have to import fine quality cotton to produce the fine yarn counts.
MULTAN -- Agriculture experts advised the growers to sow the approved BT cotton varieties by May-15 to get better cotton production.
One can find claims that GM com is highly toxic, (10) that Bt cotton (11) causes thousands of farmer suicides, (12) that increased glyphosate use has contaminated "our food, environment and water," (13) and that transgene introgression into landraces of corn would "create far-reaching negative impacts.
TWO decades after it aggressively encouraged the production of Bt cotton in the state under the technologyfriendly directions of then chief minister Narendra Modi, the Gujarat government has now put a ban on field trials of genetically modified (GM) food crops in keeping with the stance of the Rashtriya Swayamsevak Sangh against it.
The use of genetically modified Bt cotton seeds, that was approved for use in India in 2002, is said to have exacerbated the crisis, but conflicting studies make hard to pin this down as a hard fact.
Not with its thesis that Bt cotton is not directly causing Indian farmer suicides: that is obvious, and could be shown simply by noting that the biggest spike in farmer suicides occurred in Andhra Pradesh in 1998, four years before Bt cotton was even on the market.
Tiwari said Bhushan had in fact been lobbying to ban Bt cotton seeds and toxic GM food in India as well as advocating universal food security for all tribals and dryland farmers.
Bt cotton was introduced during the harvest year spanning 1997 and 1998.
Planting Bt cotton and Bt corn seed is associated with higher net
The recent introduction of Bt cotton has shown how small farms can transform their production sector and have a positive impact for the farmer, the community, and the nation.
India became the largest Bt cotton planter and the second largest cotton producer and exporter in the world in 2008.