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chp. 10 vocab

Terms

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biocide
a broad-spectrum poison that kills a wide range of organisms
fungicides
a chemical that kills fungi
biological pests
organisms that reduce the availability, quality, or value of resources useful to humans
herbicides
a chemical that kills plants
pesticide
any chemical that kills, controls, drives away, or modifies the behavior of a pest
pesticide treadmill
a need for constantly increasing doses or new pesticides to prevent pest resurgence
pest resurgence
rebound of pest populations due to acquired resistance to chemicals and nonspecific destruction of natural predators and competitors by broadscale pesticides
insecticides
a chemical that kills insects
carbamates
urethanes such as carbaryl, aldicarb, etc. that are used as pesticides
integrated pest management
an ecologically based pest-control strategy that relies on natural mortality factors, such as natural enemies, weather, cultural control methods, and carefully applied doses of pesticides
organophosphates
organic molecules to which phosphate groups are attached
biological controls
use of natural predators, pathogens, or competitors to regulate pest populations
inorganic pesticides
inorganic chemicals such as metals, acids, or bases used as pesticides
natural organic pesticides
"botanicals" or organic compounds naturally occuring in plants, animals or microbes that serve as pesticides
persistent organic pollutants
chemical compounds that persist in the environment and retain biological activity for long times
economic thresholds
in pest management, the point at ehich the cost of pest damage exceeds the costs of pest control
chlorinated hydrocarbons
hydrocarbon molecules to which chlorine atoms are attached
fumigants
toxic gases such as methyl bromine that are used to kill pests
microbial agents
beneficial microbes (bacteria, fungi) that can be used to suppress or control pests. Also called biological controls

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