News tagged with insect resistance
Plant neighbors 's(c)ent' to protect
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 ...
Mar 05, 2012 |
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Biobased approaches examined in fight against zebra chip
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 ...
Feb 13, 2012 |
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Wheat can't stop Hessian flies, so scientists find reinforcements
(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 ...
Dec 12, 2011 |
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Genetic engineers create smarter toxins to help crops fight resistant pests
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 ...
Oct 09, 2011 |
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GMO corn falls prey to bugs it was supposed to thwart
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.
Aug 30, 2011 |
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Scientists studying wasps discover being social is better for fighting disease
(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 ...
Jul 19, 2011 |
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Entomologists launch the 5,000 Insect Genome Project (i5k)
It's been called "the Manhattan Project of Entomology," an undertaking that has the potential to revolutionize the way we think about insects.
Jun 15, 2011 |
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Insecticide resistance developing in psyllid that carries citrus disease
(PhysOrg.com) -- In Florida's war against citrus greening, producers face a new threat -- the insects they’re fighting are becoming less sensitive to insecticides, according to a new University of Florida study.
May 10, 2011 |
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Oviposition behaviour of pest insects keeps Bt-cotton durably resistant
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 ...
Mar 03, 2010 |
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Invertebrate Collections Help Solve Agricultural Problems
(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 ...
Jan 18, 2010 |
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Insect resistance to Bt crops can be predicted, monitored and managed
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 ...
Nov 23, 2009 |
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