News tagged with cotton bollworm
New bacteria toxins against resistant insect pests
Toxins from Bacillus thuringiensis bacteria (Bt toxins) are used in organic and conventional farming to manage pest insects. Sprayed as pesticides or produced in genetically modified plants, Bt toxins, us ...
Oct 19, 2011 |
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Beneficial Nocturnal Insects Help Combat Pests in Texas
(PhysOrg.com) -- Agricultural Research Service (ARS) scientists in Texas are staying up late to search for beneficial insects that feed on crops pest eggs at night.
Oct 07, 2009 |
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Search results for cotton bollworm
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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UN targets endosulfan for elimination
(PhysOrg.com) -- Endosulfan is a leading pesticide used mainly on coffee, tea and cotton crops throughout the world, as well as a wood preservative. It belongs to a family of organic compounds known as organochlorines ...
May 09, 2011 |
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Technology protects cotton from caterpillar's appetite
The furry-looking insects start their development smaller than the head of a pin, but the caterpillars soon develop an appetite for cotton as big as the crop.
Feb 01, 2011 |
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New insect birth control strategy zaps cotton pests
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 ...
Nov 07, 2010 |
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ARS Scientists Help Fight Damaging Moth in Africa
(PhysOrg.com) -- Agricultural Research Service (ARS) scientists have launched a preemptive strike to combat the false codling moth, a major pest in its native Africa.
Dec 11, 2009 |
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Conflict between plant and animal hormones in the insect gut?
Cis-OPDA (12-oxophytodienoic acid) is a highly reactive plant hormone which simultaneously serves as a precursor molecule of the metabolic "master switch" jasmonic acid. Both signal herbivory in leaves and ...
Sep 14, 2009 |
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GM crops protect neighbors from pests
A study in northern China indicates that genetically modified cotton, altered to express the insecticide, Bt, not only reduces pest populations among those crops, but also reduces pests among other nearby crops that have ...
Biology /
Sep 18, 2008 |
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First documented case of pest resistance to biotech cotton
A pest insect known as bollworm is the first to evolve resistance in the field to plants modified to produce an insecticide called Bt, according to a new research report. Bt-resistant populations of bollworm, ...
Biology /
Feb 07, 2008 |
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New designer toxins kill Bt-resistant insect pests
A new way to combat resistant pests stems from discovering how the widely used natural insecticide Bt kills insects. Figuring out how Bt toxins punch holes in the cells of an insect's gut was the key to designing ...
Biology /
Nov 01, 2007 |
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China's GM cotton farmers are losing money
U.S. scientists say Chinese farmers, among the world's first to plant genetically modified cotton, are being besieged by secondary pests.
Jul 26, 2006 |
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List of search results for cotton bollworm
