Chapter 14 - Formulations Flashcards
When a pesticide chemical is mixed with solvents, wetting agents, stickers, powders, granules, etc., the finished product is called a ___________.
formulation
What is the common abbreviation of each of the following? Wettable powder _____, Emulsifiable concentrate _____, Dust _____, Granules _____.
Wettable powder - WP
Emulsifiable concentrate - EC
Dust - D
Granules - G
Which of the following must you consider when choosing the best formulation for your job?
a. effectiveness against the pest
b. the location of the manufacturer
c. type of application machinery needed
d. all of the above
e. a and c
e. a and c (a. effectiveness against the pest; c. type of application machinery needed)
Which pesticide formulation is most often used in households, backyard and other small areas?
a. granular
b. liquid
c. aerosol
c. aerosol
Which pesticide formulation can be dangerous if its container is punctured or overheated?
a. granular
b. liquid
c. aerosol
c. aerosol
Why are dust formulations usually not used outdoors on a large scale?
a. they may drift away from the target area
b. they are too difficult to measure accurately
c. they are less effective outdoors than indoors
a. they may drift away from the target area
For which type of job are dusts not often used?
a. to control external parasites or animals
b. to treat recreational turf areas
c. to kill indoor pests in cracks and crevices
b. to treat recreational turf areas
Which is not a type of pest that poisonous bait formulations are used to control?
a. ants and slugs
b. rats and mice
c. centipedes and millipedes
c. centipedes and millipedes
Why are poisonous baits often used in small amounts?
a. because baits are needed only where pests gather
b. so other animals won’t eat them
c. because of their high toxicity
a. because baits are needed only where pests gather
Granular formulations are made of larger, more uniform particles than dust formulations.
true or false?
true
What advantage do granules have over dusts and sprays?
a. they drift less
b. the application is simpler
c. they penetrate dense foliage better
d. all of the above
d. all of the above (a. they drift les. b. the application is simpler c. they penetrate dense foliage better)
Why wouldn’t you choose a granular if you were going to treat a tree or lettuce crop?
a. too much will stick to the leaves
b. not enough will stick to the leaves
c. it will damage the plants’ appearance
b. not enough will stick to the leaves
Why choose a low concentrate liquid formulation if you want to be sure to get the right mixture?
a. there are clear mixing instructions on the package
b. it is ready to be sprayed as purchased
c. there is a mixing cup attached to the package
b. it is ready to be sprayed as purchased
What formulation would you choose if you wanted little visible residue and only moderate agitation?
a. aerosol
b. emulsifiable concentrate
c. wettable powder
b. emulsifiable concentrate
Which formulation is very hazardous because it is highly concentrated and absorbed easily by the skin?
a. emulsifiable concentrate
b. flowable
c. fumigant
a. emulsifiable concentrate
