Tag: "pesticide" at biology news
Lone gene could force re-think on pest insect control
...ave implicated some members of this P450 family in pesticide
resistance. However the function of the majority of the 90 Drosophila P450 genes is unknown. CESAR researchers are now analysing these genes to determine their function in Drosophila and in the pest insects, the cotton bollworm (Helicoverpa armige...
US bald eagle counts continue to climb slowly
...creasing count is the population rebound after the pesticide
DDT was banned in 1972," Steenhof explained. "Declines associated with pesticides during the 1950s may have been more severe in the Northeast than in other parts of the country and may be the reason counts are increasing more there than elsewhere in ...
Portrait of a doomed Sea
...ds of kilometres. The sandstorms are tainted with pesticide
residue and have been linked to high regional rates of respiratory illnesses and certain types of cancer. The salty dust does harm to livestock pastures and has even been linked with melting glaciers up in the distant Pamir Mountains, on the Afghanis...
DFG presents the new MAK and BAT Value List 2003
...loroformic acid as well as cyclohexylamine and the pesticide
cyfluthrin are placed into group C, which comprises those substances from which no harm to the embryo is anticipated if the MAK value is complied with. However, dimethoxymethane (methylal) was placed into pregnancy group D, where a risk of harming th...
Leading bacterial pathogen is sequenced
...rs before 1977, growers had sprayed a copper-based pesticide
to ward off bacterial speck, but the pathogen became resistant to the copper, rendering the pesticide
virtually useless. Natural resistance genes have been bred into certain tomato plants to control th...
Fe-TAML(R) activators developed at Carnegie Mellon break down toxic pesticides
...en peroxide could be deployed in field testing for pesticide
degradation. Fe-TAML activators originated at Carn...essing problems that currently lack solutions. The pesticide
degradation research was supported partially by the Eden Hall Foundation of Pittsburgh. As part of t...
New study begins to unravel fate of toxic pollutants harbored in Arctic waters
... the United States in 1984, but is still used as a pesticide
in many developing countries. Farmers in the United States use lindane to treat seeds prior to planting. In this study, HCB rapidly broke down into at least two detectable compounds, while lindane remained nonreactive. Aside from their ubiquity, the ...
IUB biologist gets $2.6 million to study soybean disease resistance
...c modification of crops presents an alternative to pesticide
use -- a prospect that appeals to both farmers and consumers. Soybean (Glycine species) is second only to corn in number of acres planted in the United States and is an important source of protein and oil for humans and animals....
Awareness of GM foods increasing, while overall support slipping
...be willing to purchase them if they contained less pesticide
residue than ordinary food. The latter finding is ...pecially interesting considering that reduction in pesticide
use is one of the main benefits conferred by some of the existing GM corn and cotton crops that are ...
Saliva spits out information on chemical exposure
...en able to identify breakdown products of a common pesticide
in the saliva of rats exposed to known amounts of ... microanalytical sensor system to quickly diagnose pesticide
exposure in humans and a modeling method than can estimate the dose. Researchers say the technology ...
LabNotes -- Research highlights from Pacific Northwest National Laboratory
... -- heavy metal, radionuclide, hormone analogue or pesticide
-- to which the midges were exposed. Balancing the water and growth equation Nationwide, municipalities struggle to maintain the balance between managing growth and preserving natural resources. In King County, Wash., home to the expansive Seattle ...
Scientists unraveling lice genome to halt blood-sucking pest
...meal and also those genes that provide disease and pesticide
resistance. "This study is the first step in understanding the molecular biology of digestive processes of a medically important pest insect," said Pedra, entomology graduate research assistant. Other genes Pittendrigh and his team identified are inv...
Pesticide delays sexual maturation
...GLE PARK, NC - Male school children exposed to the pesticide
endosulfan showed delayed sexual maturity compared with similar children who were not exposed, according to a study published today in the December issue of the peer-reviewed journal Environmental Health Perspectives (EHP). Endosulfan also appears to...
Integrated animal model answers questions about environment
...onservationists wondered if the culprit might be a pesticide
sprayed into the air to wipe out mosquitoes. The e...air before the birds died, Porter calculated daily pesticide
inhalation. It was toxic over a short period of time, he says. The Wisconsin scientist forwarded thi...
Pesticide exposure among agricultural workers varies by job task
...the remaining fruit - face a greater likelihood of pesticide
exposure than other farm workers, according to a n...ners were more likely to have detectable levels of pesticide
metabolites in their urine than children on non-thinners. These findings support the theory that agr...
Models help estimate children's exposure to toxins
... collect better data on food consumption patterns, pesticide
residue levels and pesticide
use. It's good legislation, Leckie said, but the challenge is to get politicians to realize that eve...
Study shows benefits to newborns from federal ban on insecticides
...half a pound) less than infants with no detectable pesticide
levels. The researchers also noted a highly significant inverse association between the combined exposures and newborn birth length. However, when they looked at the relationship between insecticide exposures and fetal growth after January 2001, the ...
East Texas feral hog numbers skyrocketed in last decade
...d county Extension agents, conducted the survey at pesticide
re-certification meetings throughout the region from October 2003 through January 2004. Such meetings are attended primarily by rural landowners, particularly those who are actively engaged in agriculture. The survey consisted of 15 questions about...
Purdue scientists finding ways to outsmart crop-damaging bugs
...E, Ind. - A new screening method aimed at boosting pesticide
effectiveness may be commercially viable, accordin...we can extend the commercial lifetime of a current pesticide
with a negative cross-resistance compound, that's the best we can hope for," Pittendrigh said. The s...
Citizens asked to monitor impact of invasive bird species
...native species, such as house sparrows, as well as pesticide
use and habitat loss resulted in a serious decline in bluebird populations in the middle of the last century. Today bluebird populations are rebounding thanks to bird enthusiasts who provide nest boxes in their yards, fields and neighborhoods. Philli...
1 2 3 4 5 6 7