chapter 16

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  1. Which pesticide formulations must be diluted before they are applied?
    Wettable powders or emulsifiable concentrates
  2. When is the best time to add the pesticide to the spray tank? why?
    Add pesticides to the spray tank immediately before you are ready to apply them. At this point, the amount of pesticide needed is easier to estimate and the correct pesticide can be chosen.
  3. Why is mixing the time when the applicator is most likely to be dangerously exposed to pesticide poisoning?
    The applicator is handeling the concentrated form of the pesticide. When mixing them, you are more likely to be exposed to liquid splashing on clothing and skin.
  4. Through which route of entry is the applicator likely to be exposed during mixing?
    Dermal and inhalation.
  5. Why are anti-siphoning devises important to protect the environment?
    keeps spray mixture in the tank from escaping down the hose into the water source, stream, pond, or well.
  6. When you empty a pesticide container, why is it necessary to rinse it out?
    because small but important quantities remain in a container after it is emptied. Triple-rinsing removes these residues.
  7. How many times should you rinse an empty pesticide container and measuring cups?
  8. Can you mix all types of pesticides together without any problems? Why?
    No. Pesticides can be chemically or physically incompatible. Mixing incompatible peticides may lead to a mixture that doesnt work or lumps and sludge forming in the bottom of the tank
  9. What does compatibility mean?
    Compatible means mixing pesticides together without reducing their effectiveness chemically or physically
  10. Where can a pesticide applicator find out if two pesticides are compatible?
    The pesticide label
  11. What is an adjuvant?
    An adjuvant is a chemical added to the pesticide mixture that helps an active ingredient do a better job
  12. For what kind of a job would you use a spreader-sticker?
    use it when treating waxy surfaces such as cabbage or onion leaves
  13. Why is it important to measure out the correct dosage of an adjuvant to add the spray tank?
    Use the amount recommended or the result may be less deposit rather than more, and the pest control will be reduced.
  14. Should a pesticide applicator wear protective clothing while mixing or filling pesticides? Why?
    yes. The mos hazardous activities involving pesticides are mixing and loading concentrates. Wearing protective clothing will reduce the risk of the handler.
  15. For most pesticide sprays, what is the recommended pH level?
    Between 4-6
  16. When a pesticide is accidentally spilled, what is the first thing an applicator should do?
    Contain the spill
Card Set
chapter 16
ornamental and turf
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