Five insects evolve resistance to engineered seeds, study says

The following is an excerpt.

Five of 13 major crop pests have evolved resistance to corn and cotton genetically engineered to make their own insecticide, providing lessons for extending the usefulness of such technologies, University of Arizona researchers said in a study.

The increase in resistance, from one insect species in 2005, was expected because the crops are more widely planted, pests have been exposed to the insecticides for more years and monitoring efforts have improved, according to the study published today in the journal Nature Biotechnology. Some technologies have kept resistance at bay for more than than 15 years while others succumb in as few as two years, the study said.

 Read the full story here: Five Insects Evolve Resistance to Engineered Seeds, Study Says


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