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pesticide
pesticide
pesticide Any chemical compound used to kill pests that destroy agricultural production or are in some way harmful to humans. Pesticides include
herbicides (such as
2,4-D and
Paraquat), which kill unwanted plants or weeds;
insecticides (such as
pyrethrum), which kill insect pests;
fungicides, which kill fungi; and
rodenticides (such as
warfarin), which kill rodents. The problems associated with pesticides are that they are very often nonspecific and may therefore be toxic to organisms that are not pests; they may also be nonbiodegradable, so that they persist in the environment and may accumulate in living organisms (see
bioaccumulation). Organophosphorus insecticides, such as malathion and parathion, are biodegradable but can also damage the respiratory and nervous systems in humans as well as killing useful insects, such as bees. They act as
anticholinesterases by inhibiting the action of the enzyme
cholinesterase. Organochlorine insecticides, such as dieldrin, aldrin, and
DDT, are very persistent and not easily biodegradable.
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Pesticides near UCLA may cause health problems
News Wire article from: University Wire; 4/30/2003; ; 700+ words
; ...In the past, pesticides have been used...they sprayed pesticide," Barnard said...use of outdoor pesticides was halted last...the loss of the pesticide vendor. However...adverse effects of pesticide can manifest differently...between exposure to pesticides and the occurrence...
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Pesticides: Priority in the Development of China's Chemical Industry.
Magazine article from: China Chemical Reporter; 3/16/1999; ; 700+ words
; ...development in commercial production of pesticide intermediates, pesticides and pesticide preparations. The center in the so uth...conducted research in synthesis of chemical pesticides and pesticide intermediates in the recent years. Jiangsu...
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Pesticides: origins and challenges.
Magazine article from: Canadian Chemical News; 8/1/1991; ; 700+ words
; ...or animal". Pesticide is a generic...control a pest. Pesticides which control...narrow-spectrum pesticides. The basis of pesticide use may be physiological...hazard to the pesticide applicator...classifying pesticides. The most hazardous...
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Pesticides: how safe and how much? (environmental issues on the use of pesticides in agriculture)
Magazine article from: Food Review; 4/1/1991; ; 700+ words
; ...health concerns than pesticide residues, calming...Increasingly, pesticides are being found...services and the pesticide industry to instruct...avoid exposure to pesticides. * Endangered...register and regulate pesticides. It requires the...periodically review pesticide ...
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PESTICIDES: US PROPOSES STRINGENT EXPORT LEGISLATION
Newspaper article from: Europe Environment; 2/15/1994; 700+ words
; ...of US-manufactured pesticides in other countries...fair and responsible pesticide trade practices around...want to import the pesticide. Restrictions will...placed on unregistered pesticides. The export of such...be allowable if the pesticide has been approved for...
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Pesticides in our produce: what goes into the fresh fruits and vegetables you buy? (includes pointers)
Magazine article from: Country Living; 3/1/1998; ; 700+ words
; ...the Misuse of Pesticides, in Washington...percent of this pesticide use. "Also...Home from Toxic Pesticides (Pesticide Education Center...and many pesticide watch organizations...which regulates pesticides, has not tested...
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Pesticides deserve some study, much care
Newspaper article from: The Boston Globe; 5/23/1993; 700+ words
; ...Proper Use of Pesticides." In it...advises: A pesticide is identified...Proper use of pesticides Once you have...appropriate pesticide, check the...until the pesticide dries. Outdoors, be sure pesticides are applied...
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Pesticides pose risk, study says
Newspaper article from: Winnipeg Free Press; 1/17/2007; ; 700+ words
; ...the province where pesticides are used heavily isn...examination of rural Manitoba pesticide use -- including insecticides...direct contact with pesticides," Martens said...with information on pesticide use, Martens added...heavy users of some pesticides because they go into...
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Selecting pesticides and nonchemical alternatives: green thumbs' rules of thumb decision tools.
Magazine article from: Journal of Consumer Affairs; 6/22/1992; ; 700+ words
; ...and years using pesticides are significantly correlated with pesticide selection. In...use of chemical pesticides. The 1990 nationwide...200 tons) of pesticides are used annually...Home and lawn pesticide products account...
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Pesticides on produce leave residue of worry
Newspaper article from: The Boston Globe; 6/16/1997; ; 700+ words
; ...giving a thought to pesticides. But when she was...of strawberries for pesticide residues, Marshall...shows slightly higher pesticide levels than domestic...somewhat higher rate of pesticide violations. It is...but concerns about pesticides should not inhibit...
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pesticide
Book article from: The Columbia Encyclopedia, Sixth Edition
...practice, the term pesticide is often applied...agents. Various pesticides are known as insecticides...that the use of pesticides has made possible...the effects of pesticide residues in foods...continued use of pesticides that are known...reduce chemical pesticide use in favor of...
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Pesticide
Book article from: How Products Are Made
...hydrocarbons derived from petroleum. Most pesticides contain other elements, the type and number of which depend on the pesticide desired. Chlorine, oxygen, sulfur...the type of pesticide. Liquid pesticides have traditionally used kerosene...
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Pesticides
Book article from: Chemistry: Foundations and Applications
...neurotransmitter. However, carbamate pesticides are less toxic to humans because...organophosphate and carbamate pesticides are probably the most widely...their toxicity. Pyrethroid pesticides were developed as synthetic...of the naturally occurring pesticide pyrethrin, which is found...
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SIC 2879 Pesticides and Agricultural Chemicals, Not Elsewhere Classified
Encyclopedia entry from: Encyclopedia of American Industries
...25 percent of pesticides shipped in 2001...institutional purposes. Pesticide sales can be...maximum allowable pesticide residue) for pesticides used on raw...minimal impact on pesticides precisely because...majority of pesticide residues decrease...
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Labor, Farm
Book article from: Pollution A to Z
...other dangerous pesticides. These contracts...before reentry into pesticide-sprayed fields...later founded the Pesticide Education Center...of exposure to pesticides in the home, within...accidentally sprayed with pesticides, the UFW pushed...of the toughest pesticide restriction ...
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