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Illinois General Standards Pesticide Exam|122 Q’s and A’s
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Illinois General StandardsPesticide Exam|122 Q’s and A’s
Pest - -any insect, mite, rodent, weed, disease etc that is injurious to the
health of humans, animals, plants, or the environment
-Goal of IPM - -keep pests below economic and aesthetic injury level, avoid
adverse effects on humans, wildlife, environment
-economic injury level - -breakeven point at which cost of pest control
equals revenue loss caused by pest
-economic threshold level - -number of pests per plant or amount of
damage to plant at which control measures should begin
-aesthetic injury level - -number of pests that might cause enough damage
to the appearance of a plant to warrant cost of control - might vary
-key to successful IPM - -monitoring pest pop and plant conditions
-cultural control - -improve crop health
-mechanical control - -physical pest elimination
-biological control - -living organisms reduce pests
-chemical control - -chemical agents reduce pests
-preventative control - -prevent entry and spread
-pesticide failure - -wrong type, wrong pest stage, wrong area, pest
resistance
-insects - -exoskeleton, 3 pairs jointed legs, 3 body region
-insect body regions - -head, thorax, abdomen
-incomplete development - -3 life stages - eggs, nymph, adult
-complete development - -4 life stages - egg, larvae, pupae, adult
-mites - -spider-like, 4 pairs of legs
-spiders - -4 pairs of legs, 2 body regions
, -crustaceans - -7 pairs of legs ex) pillbugs
-birds - -all protected except non-native ex) starlings, house sparrows
-mammals - -protected except rats, mice, ground squirrels
-noninfectious disease - -cannot be transferred pest to pest or plant to
plant, often result of unfavorable conditions
-infectious disease - -multiply within host, transferable
-chlorosis - -yellowing of leaves
-Mosiac - -green and yellow patching
-gall - -abnormal swelling
-infectious disease development elements - -susceptible host, plant
pathogen, environment, time
-weeds - -any plant growing where is is unwanted
-noxious - -declared by law, must be controlled
-ragweed, marijuana, thistle, john songrass - -noxious weeds
-exotic - -unlawful to sell, buy, plant
-honeysuckle, buckthorn - -exotic weeds
-3 types of weeds - -grasses, grass-like, broadleaf
-grass/grass-like - -parallel veins
-broadleaf weeds - -net-veined, less elongated
-annual weeds - -life cycle 1 year
-biennial weeds - -2 year life cycle
-perennial weeds - -2+ year lifespan
-What type of weed germinates in the spring, develops a root system and
low growing cluster of leaves called a rosette? - -a biennial weed
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