Strategies for delaying insect resistance to transgenic crops rely on assumptions that often are overly optimistic, a new study led by UA scientists shows. Published as an advance online publication by the journal Nature ...
Biotechnology
Jan 19, 2015
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Advocates of biotech crops and those who favor traditional farming practices such as crop diversity often seem worlds apart, but a new study shows that these two approaches can be compatible. An international team led by ...
Biotechnology
Dec 15, 2014
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An international team led by scientists at the University of Arizona and the U.S. Department of Agriculture has discovered what happens on a molecular basis in insects that evolved resistance to genetically engineered cotton ...
Biotechnology
May 19, 2014
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(Phys.org) —After a long battle with corn rootworm, Midwest farmers thought they'd found relief in genetically modified seeds with engineered-in toxins to beat back the best. But recent research confirms what farmers have ...
Ecology
Apr 3, 2014
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Crops genetically modified with the bacterium Bt (Bacillus thuringiensis) produce proteins that kill pest insects. Steady exposure has prompted concern that pests will develop resistance to these proteins, making Bt plants ...
Ecology
Mar 4, 2014
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A large body of literature has shown that genetically-modified plants that produce proteins from the bacterium Bacillus thuringiensis (Bt) to protect themselves from insect pests have little to no effect on a wide range of ...
Ecology
Feb 2, 2014
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Since 1996, farmers worldwide have planted more than a billion acres (400 million hectares) of genetically modified corn and cotton that produce insecticidal proteins from the bacterium Bacillus thuringiensis, or Bt for short. ...
Biotechnology
Jun 10, 2013
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(Phys.org) —The popular new strategy of planting genetically engineered crops that make two or more toxins to fend off insect pests rests on assumptions that don't always apply, UA researchers have discovered. Their study ...
Ecology
Mar 29, 2013
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(Phys.org) -- Pests are adapting to genetically modified crops in unexpected ways, researchers have discovered. The findings underscore the importance of closely monitoring and countering pest resistance to biotech crops.
Ecology
Jun 20, 2012
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(Phys.org) -- Because they can modify plants to either produce better fruit or in many other cases ward off disease and pests, researchers genetically alter crop plants to increase yields without adding additional costs to ...
