Friday, November 27, 2009

Insect Resistant GMO Crops

Other GMO crops utilized by growers include insect-resistant crops, which have a gene from the soil bacterium Bacillus thuringiensis (Bt) which produces a toxin specific to insects; insect-resistant crops protect plants from damage by insects, one such crop is Starlink. Another is cotton, which accounts for 63% of US cotton acreage.

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Some believe that similar or better pest-resistance traits can be acquired through traditional breeding practices, and resistance to various pests can be gained through hybridization or cross-pollination with wild species. In some cases, wild species are the primary source of resistance traits; some tomato cultivars that have gained resistance to at least nineteen diseases did so through crossing with wild populations of tomatoes.

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