(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. ...

Biology - Ecology

Mar 29, 2013 5 / 5 (1) 22 |

(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 ...

Biology - Ecology

Jun 20, 2012 4 / 5 (4) 1 |

(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 ...

Biology - Ecology

Jun 14, 2012 2.4 / 5 (5) 4 |

Genetically modified crops that produce insect-killing proteins from the bacterium Bacillus thuringiensis (Bt) have reduced reliance on insecticide sprays since 1996. These proteins are lethal to some devastating ...

Biology - Ecology

Jun 03, 2012 not rated yet 4

One of the most successful strategies in pest control is to endow crop plants with genes from the bacterium Bacillus thuringiensis, or Bt for short, which code for proteins that kill pests attempting to eat ...

Biology - Biotechnology

Oct 09, 2011 4 / 5 (3) 20 |

A voracious pest which has long plagued corn farmers is devouring a widely-used variety that was genetically modified to thwart the rootworms, raising fears of a new superbug.

Biology - Plants & Animals

Aug 30, 2011 4.9 / 5 (14) 14

Using pests as part of an insect birth control program helps to get rid of them, UA researchers find. A new approach that combines the planting of pest-resistant cotton and releasing large numbers of sterile ...

Biology - Biotechnology

Nov 07, 2010 4.8 / 5 (4) 1 |

Since 1996, crop plants genetically modified to produce bacterial proteins that are toxic to certain insects, yet safe for people, have been planted on more than 200 million hectares worldwide. The popularity of these Bt ...

Biology - Ecology

Nov 23, 2009 not rated yet 0