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Washington Pesticide Laws and Safety With Complete Solutions A+ Graded
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Washington Pesticide Laws and Safety WithComplete Solutions A+ Graded
pest - ANSWER a plant or animal detrimental to man; one that pesters or annoys
Bordeaux mixture - ANSWER lime and copper sulfate; one of the most widely used
fungicides worldwide
DDT - ANSWER the original insecticide, brought about in WWII - lead to the creation of
2,4-D, aldrin, and heptachlor
insecticide resistance - ANSWER a growing problem we are beginning to face; 500+
insects have become resistant to one or more insecticides worldwide
pesticide resistance - ANSWER 180+ weed species and hundreds of plant pathogens
have become resistant to pesticides
disadvantages of pesticides - ANSWER some pesticides such as DDT, aldrin, heptachlor
and dieldrin will accumulate in the fatty tissue of some animals; most have been
removed from the market because of this side effect
EPA - ANSWER formed in 1970, they work to regulate use of chemicals to protect the
environment as well as the health of humans and other animals; they banned the use of
DDT in 1972
OP insecticides - ANSWER acutely toxic to mammals; more expensive; less persistent in
the environment
Integrated Pest Management (IPM) - ANSWER the use of all available tactics or
, strategies to manage pests
The Five Steps of an IPM Program - ANSWER 1) identify the pest to be managed
2) define the management system
3) develop the management strategy
4) develop reliable monitoring techniques
5) use economic thresholds
identify the pest to be managed - ANSWER categorize the pest into severe, occasional,
potential or migratory; know the pest's life cycle-usually only the adult or larva are
susceptible to pesticides-we do not have chemicals to affect the eggs
define the management system - ANSWER the goal is to maintain pest numbers and the
resultant damage at acceptable levels
Develop reliable monitoring techniques Answer: scouting and insect traps useful in
monitoring insects and its activities; weather which predicts outbreak of insects or
disease; temperature follows an insect's life cycle or developmental stages
use economic thresholds ANSWER pest applications should be avoided if their cost is
more than the damage caused by the pest affected by: present worth of agricultural
product being produced stage in development amount of damage caused under various
environmental conditions
economic threshold level or density of a pest population where control measures must
be applied in order to prevent the pest from reaching the economic injury level
economic injury level the pest population density that causes losses equal to the cost of
the control measures
IPM strategies Answer are implemented when noxious pests have not been kept in
check by natural controls (weather, predators, or parasites);
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