Pesticide Formulation Chapter 3 Review
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Questions and Answers

The component of a pesticide formulation that controls the pest is the ______ ingredient.

active

Careful pesticide selection is important because pesticide formulations vary in their safety to the user, environment, and crop to be treated; efficacy; and cost.

True

Which of the following is not a concern when handling an emulsified concentrate pesticide?

clogged nozzles and screens

Which of the following formulations dissolve in water?

<p>soluble powders</p> Signup and view all the answers

Breathing in dust is a potential hazard associated with the mixing of wettable powders and soluble powders.

<p>True</p> Signup and view all the answers

Which of the following pesticide formulations must be mixed with water before being used by the applicator?

<p>flowables</p> Signup and view all the answers

When added to water, emulsifiable concentrates form emulsions.

<p>True</p> Signup and view all the answers

Most bait formulations have 50 percent or more active ingredient.

<p>False</p> Signup and view all the answers

Extreme care must be exercised when placing baits to make them inaccessible to children, pets, and other nontarget species.

<p>True</p> Signup and view all the answers

All pesticide manufacturers include all the necessary adjuvants, thus you do not need to add them when mixing a spray tank load.

<p>False</p> Signup and view all the answers

Which of the following is a true statement about fumigant formulations?

<p>the use of fumigants is limited to soil/enclosed structures and containers; toxic to a wide range of pests; most hazardous of the pesticide formulations; active as gases</p> Signup and view all the answers

Two or more pesticides that cannot be effectively mixed together are said to be ______.

<p>incompatible</p> Signup and view all the answers

When adding two or more pesticides into a spray tank, always add the liquid formulations first.

<p>False</p> Signup and view all the answers

Adjuvants are often required when making applications to leaves that are ______ or ______.

<p>waxy or hairy</p> Signup and view all the answers

Adjuvants can be added to any pesticide spray mixture.

<p>False</p> Signup and view all the answers

Study Notes

Pesticide Formulations and Handling

  • The active ingredient in a pesticide formulation is essential for pest control.
  • Pesticide formulations differ in safety, efficacy, environmental impact, and cost, making careful selection crucial.
  • Clogged nozzles and screens are not a primary concern when handling emulsified concentrate pesticides.
  • Soluble powders are among the formulations that can dissolve in water.
  • Mixing wettable powders and soluble powders poses a risk of inhaling dust.

Application and Mixing Guidelines

  • Flowable pesticide formulations must be mixed with water prior to application.
  • Emulsifiable concentrates create emulsions when mixed with water, enhancing effectiveness.
  • Most bait formulations contain less than 50 percent active ingredient.
  • Baits must be placed with extreme caution to prevent access by children, pets, or other non-target species.
  • Pesticide manufacturers may not include all necessary adjuvants, often requiring additional mixing.

Fumigants and Pesticide Compatibility

  • Fumigants are highly regulated, used in soil, enclosed structures, and containers, targeting a wide range of pests and posing significant hazards.
  • Pesticides that cannot be effectively mixed are referred to as incompatible.
  • When mixing pesticides, begin with solid formulations rather than liquid ones.
  • Adjuvants are necessary for applications on waxy or hairy leaves for better adhesion and efficacy.
  • Not all pesticide spray mixtures can include adjuvants; some formulations may not require them.

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Description

Test your knowledge with flashcards covering the key concepts from Chapter 3 on pesticide formulations. This quiz includes questions on active ingredients, safety considerations, and handling practices. It's designed for anyone looking to deepen their understanding of pesticide effectiveness and safety.

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