Utah Pesticide Applicator Exam 2017 81 Questions And Answers Set 01
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Terms in this set
81
Biomagnification
some organisms accumulate chemical residues in higher concentrations than those found in the organisms they consume
Food chain
sequence of amimals feeding in a natural environment
Non-living agents
some plants are damaged by weather extremes, salts, air polutants, and inadequate or excessive fertilization
Pest host
animal or plant on which the organism lives
Natural controls
measures that destroy pests without dependance on humans for continued success (climate, wind, heat, rain)
Applied controls
biological, mechanical, cultual, physical, genetic, chamical, and regulatory
Biological control
involves locating the native home of the pest and introducing a suitible natural enemy into the system. Can be one of the most economic means of control.
Mechanical control
use of devices, machines, or other physical methods to control pests or alter their environment
Cultural control
alter the condition of the host plant/site, environment, or pest behavior to prevent or supress an infestation
Physical modification
altering the light, humidity, temperature, etc. of the pests environment