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 crop pests, ...
Ecology
Jun 3, 2012
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People and animals are not the only ones who can smell. Plants are also able to perceive odors, but they process them in a very different way . While insects or mammals smell odors within a second of exposure, plants require ...
Ecology
Mar 5, 2012
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Thanks to investigations by scientists-turned-detectives with the U.S. Department of Agriculture (USDA) and other agencies, potato growers in the western United States and abroad now know the identities of the pathogen-insect ...
Ecology
Feb 13, 2012
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(PhysOrg.com) -- Wheat's genetic resistance to Hessian flies has been failing, but a group of Purdue University and U.S. Department of Agriculture scientists believe that other plants may soon be able to come to the rescue.
Biotechnology
Dec 12, 2011
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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 them.
Biotechnology
Oct 9, 2011
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(PhysOrg.com) -- In a paper release today, a group of scientists from Macquarie University studying the evolution of disease resistance in insects have found evidence that social species of wasps show significantly higher ...
Plants & Animals
Jul 19, 2011
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It's been called "the Manhattan Project of Entomology," an undertaking that has the potential to revolutionize the way we think about insects.
Biotechnology
Jun 15, 2011
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The oviposition behaviour of insect pests results in an improved durability of insect resistance in so-called Bt-crops, while promoting the survival of pest insects elsewhere in nature. This is the result of research carried ...
Ecology
Mar 3, 2010
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(PhysOrg.com) -- Creepy, crawly spiders and bugs are just some of the unusual creatures in the Agricultural Research Service (ARS) invertebrate collections. While many find insects a nuisance, ARS scientists rely on these ...
Other
Jan 18, 2010
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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 ...
Ecology
Nov 23, 2009
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