Tag: "pesticide" at biology news
Honeybees In The Wild Nearly Gone In North America
...ing bees thathave never gone away -- bee diseases, pesticide
problems -- pushedhoneybees to the edge," Tew said. "The mites, however,wereclearly and definitively the last straw in causing this populationcollapse." Honeybee populations maintained by the nation's beekeepers havealso been reduced by mites, Tew sa...
Fund Aims To Repay Developing Nations For Valuable Genes
...involve the patenting of a process for extractinga pesticide
from the seed of India's "neem" tree and the patentingof a human cell line sought for AIDS-related research that was obtainedfrom a member of the tiny Hagahai tribe in Papua New Guinea. Both caseshave raised charges of "biopiracy" and "genetic coloni...
New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...s cornfarmers $1 billion a year in crop losses and pesticide
expenses. In preliminary experiments at Duke's Phytotron, a high-tech greenhousewhere she rents space, Eubanks found far less root damage and far fewerlarvae in her experimental hybrids than occurs in normal commercial corn. "We're using the wester...
Natural Shelters on Leaves House Plant Bodyguards
...ttemptto control spider mites. With the use of two pesticide
sprays, 5 percentof the cotton yield is usually lost to spider mites. If untreated, a cottonfield can be thoroughly devastated by the mites. Commercial cotton varieties have no domatia, so Karban and Agrawal decidedto see what would happen if they a...
Pharmaceuticals Manufactured In Insect Larvae
...nd Hughes said that with more than 30,000 chemical pesticide
registrations being canceled in the past eight years, there is a need to develop natural and genetic baculoviruses. The researchers believe that to make these insecticides commercially viable, methods like HeRD will need to be employed to bring costs...
Cut Pesticide Use In Half, Urges SFU Biologist
... At what cost? He cites one million cases of human pesticide
poisoningworldwide every year. Add to that the hid... "In spite of a vast increase in the amount of pesticide
used overthe last 30-40 years, the amount of crop lost to pests has increased from31 to 37 per cent....
Research Aims At Nation's First 'Smart' Ground Water Regulations
...tion by agricultural runoff as part of the state's pesticide
management plan required by the Environmental Prot...mber, and saying that that is the proper amount of pesticide
to use throughout the state, we're working to create an on-line computer data base and program that ...
USGS 1999 Budget Emphasizes Clean Water, Disaster Information, Species And Habitat Research
...estern watersheds;and assessoptimal approaches for pesticide
monitoring in water-supply wells. A $7 million increase to support the Environmental Protection Agency's efforts to provideinformation to the public on the quality of drinking water in 86 of America's major cities. An increase of $15 million ...
Research Finds Alligator Problems Also Evident In Less Polluted Lakes
...a near Orlando. That lake suffered from a severe pesticide
spill in 1980 and commercial development on its sh... We're no longer talking about a lake with a major pesticide
spill. This is a huge body of water." Guillette had help from Crain; Daniel Pickford, another for...
Insect Taste Buds Target Of Control Method
...m," says Mullin. "Usually, hundreds of times more pesticide
must be applied outside the insect so that a lethal dose can arrive at the proper location inside the insect." To circumvent this problem, Mullin is looking at insect taste buds because they are a direct connection between the central nervous s...
Water Quality In Indiana's White River Basin Affected By Urban And Agricultural Activities
...ns nationwide. Twenty-five different pesticides or pesticide
degradation products were found in at least 5perce... found more than once. However, Crawford said, "No pesticide
concentration found in ground water came close to exceeding a Federal drinking-water standard or adv...
No Ode To Joy From Food Scientists Over New Edition
...he Food and Drug Administration (FDA) reports that pesticide
residueson infant and adult foods are almost alway...er, it is not known if soapis effective in ridding pesticide
residues from produce. Joy : Modern animal production has reduced the quality and safety of meat...
Reduced Nutrients Still Cause Problems In The Neuse And Tar-Pamlico Rivers
...s have no established standards. Although DDT, a pesticide
used during the 1940's-60's, was banned in 1972, DDT and its breakdown products can still be found in stream-bottom sediment, clams, and fish tissue. Copies of USGS Circular 1157, "Water quality in the Albemarle-Pamlico Drainage Basin, North Caroli...
From The Home Front To The River Front, USGS Updates Water-Quality Information
...er standards. Of the well-water samples in which a pesticide
was present, nearly 70 percent contained more than...reek in the Potomac Basin near Annandale, Va., had pesticide
concentrations among the highest of all sites sampled in 20 NAWQA studies across the country. Pesti...
Agriculture and urban activities impact water quality in the South Platte River Basin
...de emissions from vehicles during winter. Although pesticide
and VOC concentrations generally were small, their...ds. Moreover, the effects of long-term exposure to pesticide
mixtures are, as yet, unknown." Pesticides were detected in surface water, ground water, bed...
Environmental Technology Breakthroughs Forecast -- Year 2008
...rops will be engineeredgenetically to require less pesticide
and fertilizer. In its first environmental technology forecast, a team of researchers atthe Department of Energy's Pacific Northwest National Laboratory has identifiedthe 10 most important technological breakthroughs that will lead to a clean...
USGS Says Central Columbia Plateau Water Quality Impaired by Agriculture, But Some Good News
...ixed bag," Williamson said. "We found at least one pesticide
in nearly half of thedrinking water wells sampled, but pesticide
levels were only a very small fraction of their MCLs." As a cautionary note, however, Williamson sai...
Two Environmental Articles: Deformed Frogs & Dioxin In Old Soil
...tionfor these findings by examining the effects of pesticide
degradation in theearly amphibian development. ...riskposed by pesticides by examining only the host pesticide
must be changed toinclude the relationship between amphibian development and the degradationproducts...
15 Drugs, Dyes And Other Chemicals Newly Listed As Known Or Likely Human Carcinogens
...ellow 49. Also an impurity in and metaboliteof the pesticide
chlordimeform. CHLOROZOTOCIN, a drug used to treat cancers of the stomach, largeintestine, pancreas and lung; melanoma; and multiple myeloma. DANTHRON, or dantron, a laxative removed from the market several yearsago when tests were published indicati...
Computers, GIS Help Prevent Ground Water Contamination
...ml. That Web site still is under construction, but pesticide
users eventually will be able to use it as they de...ater pollution from chemical spills or from excess pesticide
or fertilizer applications. Other states are modeling their plans after Indiana's, Engel said. "...
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