Illinois Pesticide Applicator General Standards and Rights-of-Way Study Guide questions with answers

Illinois Pesticide Applicator "General |\ |\ |\ |\




Standards" and "Rights-of-Way" Study |\ |\ |\ |\




Guide questions with answers |\ |\ |\




A pesticide is defined as - CORRECT ANSWERS ✔✔any chemical
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used to destroy, prevent, or control any form of life declared to
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be a pest |\ |\




The target pest for herbicides are - CORRECT ANSWERS
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✔✔weeds


The target pest for insecticides are - CORRECT ANSWERS
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✔✔insects


The target pest for fungicides are - CORRECT ANSWERS ✔✔fungi
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The target pest for miticides (acaricides) are - CORRECT
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ANSWERS ✔✔mites |\




The target pest for repellents are - CORRECT ANSWERS
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✔✔insects and vertebrates |\ |\




What two general types of ingredients make up a pesticide
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formulation? - CORRECT ANSWERS ✔✔1. Active ingredient |\ |\ |\ |\ |\ |\




2. Inert ingredient
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,Example of active ingredients in pesticides - CORRECT ANSWERS
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✔✔glyphosate, carbaryl, propiconazole |\ |\




Example of inert ingredient in pesticides - CORRECT ANSWERS
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✔✔solvent or dry carrier |\ |\ |\




What are the three common types of mixtures? - CORRECT
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ANSWERS ✔✔solutions |\




suspensions
emulsions


Solutions are - CORRECT ANSWERS ✔✔mixtures formed by
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dissolving a substance in a liquid; solutions will not "settle out"
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and do not require agitation to keep the components in solution
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Suspensions are - CORRECT ANSWERS ✔✔mixtures formed by |\ |\ |\ |\ |\ |\ |\ |\


dispersing fine solid particles in a liquid; the solid particles do not
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dissolve in the liquid carrier so suspensions must be agitated to
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maintain uniform particle distribution
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Emulsions are - CORRECT ANSWERS ✔✔mixtures in which one
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liquid is suspended as tiny droplets in another liquid; for
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example, emulsifiable concentrates (EC) have active ingredients
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that are dissolved in an oil solvent and an emulsifying agent is
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added so that the formulation can be conveniently mixed with
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water to form an emulsion
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, What are some common dry herbicide formulation types? -
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CORRECT ANSWERS ✔✔soluble powder (SP) |\ |\ |\ |\




wettable powder (WP) |\ |\




water dispersible granule (WDG)
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dry flowable (DF)
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granule (G) |\




Soluble Powder (SP) herbicide formulation - CORRECT ANSWERS
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✔✔1. dry formulation, forms a solution
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2. requires agitation at the initial stage
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3. is not abrasive to pump components
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Wettable Powder (WP) herbicide formulation - CORRECT
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ANSWERS ✔✔1. dry formulation, forms a suspension |\ |\ |\ |\ |\ |\




2. requires strong agitation throughout to keep suspended
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3. is abrasive to pump components
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4. less likely to damage plants than EC formulation
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Water Dispersible Granule (WDG) / Dry Flowables (DF) herbicide
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formulation - CORRECT ANSWERS ✔✔1. dry formulation, forms a |\ |\ |\ |\ |\ |\ |\ |\ |\


suspension
2. requires strong agitation
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3. is abrasive to pump components
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4. safer to pour and dust because active ingredient is formulated
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as a microgranule instead of a powder
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