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IL General Standards Pesticide Applicator Training Exam/189 Questions with Answers
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IL General Standards PesticideApplicator Training Exam/189 Questions
with Answers
Pesticide - -any chemical used to destroy, prevent, or control any form of life
declared to be a pest
-Herbicides - -weeds
-Insecticides - -insects
-fungicides - -fungi
-miticides (acaricides) - -mites, ticks
-Is it illegal to mix pesticides if specifically stated on label? - -YES
-repellents - -insects, vertebrates
-What two general types of ingredients make up a pesticide formulation? - -
1. Active Ingredient
2. Inert Ingredient
-Active ingredient is - -toxic to pest & effective against the target pest
ex. glyphosate, carbaryl, propiconazole
-Inert Ingredient is - -no direct effect to pest & added to make product
safer, more effective, or easier to use
ex. solvent or a dry carrier
-3 common types of mixtures - -1. Solutions
2. Suspensions
3. Emulsions
-What are examples of dry formulations? - -Soluble Powder (SP)
Wettable Powder (W, WP)
Water Dispersible Granule (WDG)
Dry Flowable (DF)
Granule (G)
-What are examples of wet formulations? - -Solution (S)
Emulsifiable Concentrate (E, EC)
Flowable or Liquid (F, FL, L)
, Microencapsulated (ME)
-Fumigants - -pesticides that form gases or vapors
usually highly toxic and require additional licensing
-In a product named PestPro 50 WDG. What does the 50 imply? - -It is the
concentration of active ingredient(s)
Dry is % of a.i. by weight
Wet is lbs of a.i. by gallon
-Adjuvant - -chemical that modifies a pesticide's physical properties and
enhances its performance
-What are the two classes of adjuvants? - -Buffer Agents and Spray
Modifiers
-Buffering Agents are - -aid mixing in the spray tank, compatibility agents,
pH buffering agent, anti-foaming agents
-Spray modifiers - -aid spray application and coverage, drift reduction
additives increase droplet size and reduce drift
Surfactants, Stickers and Penetrants
-Surfactants - -help individual spray droplets spread out on the treated
surface
-stickers - -improve pesticide adherence to the treated surface
-penetrants - -improve systemic pesticide penetration into the treated
surface
-What steps should be taken to ensure a successful tank-mix - -Pesticide
Compatibility
Read all lables
Consult technical staff
Perform a jar compatibility test
add and thoroughly mix one at a time in proper order
-Pesticide compatibility - -safely mixed and applied without unfavorably
affects to toxicity, physical properties, and plant safety
-Physical incompatibility - -is the failure of the products to stay uniformly
mixed in the spray tank
may settle, layer, curdle, or gel
may be related to pH, chemical composition and temp of carrier
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