Tag: "pesticides" at biology news

Scientists At UNC-CH Find Aberdeen Pesticide Exposure, But Few Symptoms

...hool of Public Health."Despite the large number of pesticides contained in the dump sites, of a panelof 20 organochlorines, DDE was the only organochlorine detected in the blood of302 study participants, with one exception. "Levels of plasma DDE in the study population overall were low comparedto nation...

New Microbial Insecticide As Potent As Bt

...icide resistance since theintroduction of chemical pesticides 50 years ago. "What we have with Photorhabdus and ... spend more than $575 million annually on chemical pesticides to protect cornalone. In addition to ffrench-Constant, co-authors of the Wisconsin study include Dav...

Banking On Safer Drinking Water

...dor problems and to removehazardous materials like pesticides and hydrocarbons," Bouwersays. "But there has been limited recent work to look at how itaffects the pathogens and by-products of disinfection. We will bedoing work that is more relevant to today's concerns." The study will pay particular attention to...

Deliberate Self Harm Is An Overlooked Tragedy In The Developing World

...of treating them. Self poisoning with agricultural pesticides or natural poisons, such as oleander seeds, is an important cause of death in many rural areas. The authors believe that medical management of acute self poisoning is currently poor and that the introduction of better management protocols would redu...

Researchers Develop Fast Screening Method For Water Testing

... in Athens in Southeastern Ohio for organochlorine pesticides suchas DDT. Andrews said the process could be used to screen for any number ofharmful substances, although some modifications would be required. "The system we used could be constructed in any basic analyticallaboratory and there's no reason ...

Biologist Wins Simon Fraser University Controversy Prize For 'Silent Spring' Of The '90s

...ted us to the devastation wrought by DDT, chemical pesticides are still aspervasive as ever, deployed at a rate ...illing bacteria, andbioengineering - with chemical pesticides used only as a last resort. "Chemicalshave a place in pest control, but the level we use is far out ...

Gene-Toxin Link May Shed Light On Cause Of Parkinson's Disease

...ective gene and exposure to pesticides may increase a person's risk for developing the ...ele, and who were exposedto pesticides in the past, were three times more likely to develop dementia than Parkinson'...

National Science Foundation Is Taking Small Business Into A New Phase Of Innovation

... threat to the environment as do some fertilizers, pesticides and plant growthregulators. Auxein has already demonstrated the effectiveness of AuxiGro in the laboratory,greenhouse and field. Currently, AuxiGro is labeled for use only on a limitedvariety of crops, so Auxein will conduct further field trials to ...

USGS Contributions Enhance Public Health Research, Scientists Showcase Technologies At San Diego Meeting

...ion, and geographical distribution of agricultural pesticides determined in the air over the Mississippi River from New Orleans, La., to St. Paul, Minn., during June 1994 and explain how these findings show how humans, as well as forests and other ecosystems, are exposed to low concentrations of a variety of he...

Advances In Analyzing Environmental Endocrine Disruptors And Their Effects On Health, Environment

...(EPA) to create a consensus strategy for screening pesticides for estrogeniceffects on human health, and for screening other hormonal effects and substancesdetected in drinking water. EPA will provide a review of its just-completedconsensus plan, which sets priorities for testing, includes specific screens andt...

Putting Doesn't Pollute, Research Finds

...Fungicides make up less than 10 percent of all the pesticides used in theUnited States. Although they are used on many types of plants, includingvegetables and fruits, they most often are used on golf courses. A 1993 study ofgolf courses in Iowa found that in one season, 54,000 pounds of the activeingredient of...

Frog Pond Picnic To Launch National 'Frog Force'

...de frogponds and reduce the use of fertilizers and pesticides that threaten andpollute frog habitat. A new "Frog Force" will be launched at the Picnic with students from localschools that have been involved with Kenilworth Aquatic Gardens and otherarea students. They will be taught to look and listen for frogs...

40 Percent Of Deaths Are Environmental

...from 5 percent to 77 percent. -- Of the 80,000 pesticides and other chemicals in use today, 10 percent are r...grams per year. -- The global use of agricultural pesticides rose from about 50 million kilograms a year in 1945 to current application rates of approximately 2....

USGS Issues Wildlife Health Alert: Associates Virus With Salamander Die-Offs

...spread of non-native predators; contamination from pesticides and other chemicals; and rising temperatures. Many biologists suspect that a combination of factors may be responsible....

Aquaculture: Not An Easy Answer To Overfishing

... coral reefs. Fish farming discharges nutrients, pesticides and antibiotics intocoastal waters. Exotic fish species are sometimes introduced outside their nativehabitat. The ocean's capacity to assimilate wastes, provide feed and stock, andmaintain viable fish populations is being challenged. The viabil...

Swedenvironment No. 3 Highlights

...Pesticides The environmental charge on the use of pesticides has had an indirect positive effect as it has contributed to the financing of advisory services, research and development, which has led to a decreased use of pesticides. Emission Register Of Point Sources A European Polluting Emissions Register (...

New Phylloxera Strain Poses Threat Primarily To Grape Nurseries

... to control thefoliar form if it spreads, although pesticides do not control it completely. Growers who have already switched from non-resistant rootstocksuch as AXR will not be affected. Growers who have yet to switch are at mostrisk -- the Sierra Nevada foothills, Monterey Valley and portions of Mendocin...

Study Of Raindrop Energy To Aid Fight Against Crop Diseases

...rshave to spray anti-fungal pesticides regularly just to playit safe, so they waste a lot of pesticide," said Madden. "If wecould determine whether conditions were favorable for thespread of plant pathogens, growers coul...

Science-Based Decision Guide May Be Answer To EPA's Controversial Rule

... beplants with pest-defense substances that act as pesticides when extracted fromtheir hosts and tested in vitro...f safer, genetic alternatives to syntheticchemical pesticides as well as worldwide consumer acceptance of safe geneticallymodified foods. EPA's proposed rule fai...

Biotech Creates New Solutions And New Problems

...for only half the season, then growershad to apply pesticides to control them. Sparkling pear wine could provide alternative market for pears. UC scientistshave found a use for blemished pears that cannot be packed for fresh market orcanned. The scientists suggest that making pear cider could greatly improve t...

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