Illinois Pesticide applicator exam 2: Questions and 100% correct answers GRADED A+
What is a pesticide - ANSWER a substance used for destroying insects or other organisms harmful to cultivated plants or to animals.
Pesticides are made up of - ANSWER Active and inert ingredients
...
,What is a pesticide - ANSWER a substance used for destroying insects or other
organisms harmful to cultivated plants or to animals.
Pesticides are made up of - ANSWER Active and inert ingredients
AI - ANSWER Active ingredient - chemical effective against pest
A
Inert ingredients - ANSWER don't harm pest but make the AI more effective
VI
Herbicide formulation - ANSWER may be ready to use or may require dilution with
carrier (oil or liquid)
TU
60WDG - ANSWER 60% AI water-dispersible granule
4EC - ANSWER
IS 4 lbs ai per gallon of emulsifiable concentrate
SP - ANSWER Soluable powder - dry formulation. Mixed with water. Dissolve
readily and form true solution.
WP, P - ANSWER Wettable Powder - dry formulation. Finely ground powder. Forms
M
suspension not true solution.
Abrasive, requires agitation, inhalation risk
O
DF, WDG - ANSWER Dry flowables or water dispersible granules - dry formulation.
Similar to WP except AI is in granule instead of powder
A
form suspension. Less dust than WP
N
G - ANSWER Granules - dry formulation. AI coated with clay, newspaper
Applied directly, no mixing
JP
Low hazzard to applicators
P, PS - ANSWER Pellets - dry formulation. Same as granules but larger
D - ANSWER Dusts - dry formulations.
Low percentage of AI on very fine carrier (talk, chalk, clay)
Most ready to use (no mixing)
Inhilation hazard
Drift hazzard (uncommon use)
, EC - ANSWER Emulsifiable concentrate - wet formulation.
AI mixed with 1+ solvents and emulsifier that allows mixing with water
Easily absorbed through skin (dermal hazzard)
ME - ANSWER Microencapsulated - wet formulation
AI is surrounded by plastic coating suspended in liquid
Time- release product
Bees catty it back to hive and can poison colony
A
S - ANSWER Solutions - wet formulation
VI
Form true solution when mixed
Will not settle or separate
TU
ULV - ANSWER Ultra-low volume concentration - wet formulation
Have high % ai with a solvent (usually oil)
Low application rate per acre
IS
Fumigants - ANSWER Produce gas, vapor, fumes, etc.
Special licencing required
Highly toxic
M
Restricted use pesticides - ANSWER Only purchased by certified applicators or
persons under their supervision
O
Records of applications must be maintained for 2 years
Adjuvant - ANSWER Chemical modifies physical properties, enhances performance
A
utility adjuvants - ANSWER defoamer, water conditioner (acids)
Drift reduction additives - ANSWER thickening agents increase droplet size
Droplets must be over 200 microns
Sticker - ANSWER increase adherence of chemical to surface
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