Emerging environmental catastrophe: Insect resistance to GM crops.

armywormA new study published in the PLOS One journal has highlighted the emerging environmental catastrophe that researchers and scientists have been warning about for years.

Armyworms, in the southeastern United States, have developed resistance to the Cry1F protein found in many genetically modified corn products developed by Dow AgroSciences and DuPont.

The evolution of insect resistance “is a great threat” long- term to the sustainability of the crop biotechnology that has become a highly valued tool for many U.S. farmers, said Fangneng Huang, an entomologist at Louisiana State University (LSU) and lead for a three-year study.

The corn that is being devoured by armyworms contains the (Bt) genes. This type of corn has been on the market for 18 years. The armyworm resistance is the latest detected insect resistance after increased Bt resistance in .

The insect resistance works on the same principle as the development of “super weeds” immune to glyphosate-based .

Source

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0112958

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