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The Safe and Effective Use of Pesticides
study guide
145
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Professional
03/22/2012

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Term
A DISADVANTGE OF USING COMMON NAMES FOR IDENTIFYING ORGANISMS IS:
Definition
Often, they do not provide any information about the relationship of one organism to another
Term
Which of the following IS NOT a characteristic of weeds?
Definition
Weeds enhance the growth of agriculturual crops
Term
Plants that are capable of reproducing from overwintering storage organs such as bulbs, tubers and rhizomes are called:
Definition
PERENNIALS
Term
Perennial weeds are generally the most difficult to control because
Definition
They can reproduce and spread from storage organs such as rhizomes and tubers.
Term
Which of the following insect orders includes species known to transmit diseases in humans?
Definition
BLATTODEA (cockroaches)
Term
Which organism is NOT an invertebrate pest?
Definition
House Mouse
Term
Which of the following insect orders includes several species of agricultural pests?
Definition
HETEROPTERA (true bugs)
Term
The various immature stages of an insect are known as:
Definition
INSTARS
Term
Which of the following groups of insect orders includes both pests and beneficials that attack pest insect species
Definition
HYMENOPTERA (wasps and bees), THYSANOPTERA (thrips), and HETEROPTERA (true bugs)
Term
Which of the following insect orders includes important livestock pests?
Definition
HETEROPTERA (true bugs)
Term
Which part of a plant do NEMOTODES most commonly attack?
Definition
Roots and underground plant parts
Term
Pest NEMOTODE species damage plants by
Definition
Impairing water and nutrient uptake capacity
Term
Which one of the the following types of plant disorders cannot be transmitted?
Definition
Water stress an other abiotic problems
Term
Which one of the disease-causing organisms is easily seen without a microscope?
Definition
FUNGHI
Term
Honey bees belong to the insect order:
Definition
HYMENOPTERA
Term
Efforts to completely eliminate a pest species such as the Mediterranean fruit fly are known as:
Definition
ERADICATION
Term
A key pest is one that:
Definition
Causes damage on a regular basis unless you successfully control it
Term
Applying a preemergence herbicide to an area where weed seeds are present is an example of what kind of pesticide use?
Definition
PREVENTATIVE
Term
Suppressing a pest population involves:
Definition
Keeping a pest population below a certain level
Term
Which of the following is not an example of biological control?
Definition
Disease-carrying fleas on rodents
Term
The effectiveness of augmentation (the release of natural enemies) as a biological control technique is limited because the release organisms:
Definition
Tend to leave the area soon after release
Term
Which of the following is an example of cultural control?
Definition
Discing weeds
Term
The use of barriers such as screen, fences and cloth mesh is known as:
Definition
EXCLUSION
Term
Sanitation is important in order to control:
Definition
All types of pest and disease organisms
Term
Integrated pest management is an important pest control strategy because it strives to:
Definition
Control pests without disrupting the ecological balance
Term
One of the primary goals of pest management is to:
Definition
Conserve natural enemies
Term
Quarantine is a pest management practice that is used to:
Definition
Prevent the entry of pests into new areas
Term
One of the main purposes of government abatement programs is to:
Definition
Eliminate areas where pests may breed and seek shelter
Term
Which part of the label gives you an indication of the toxicity of the pesticide?
Definition
The signal word
Term
The LD50 of a pesticide tells you:
Definition
The toxicity of the pesticide
Term
The toxicity of a pesticide is usually measured by its:
Definition
LD50
Term
Which signal word indicates the least hazardous pesticide?
Definition
CAUTION
Term
The toxicity of a pesticide is :
Definition
Its capacity to cause injury
Term
Which of the following chemical families contains pesticides that are typically persistent in the environment?
Definition
ORGANOCHLORINES
Term
A postemergent contact herbicide:
Definition
Causes injury to any part of the plant it touches
Term
How much active ingredient would be found in a 20-pound bag of 25W formulation?
Definition
5 pounds
Term
How much active ingredient would there be in a 5-gallon bottle of a 4E formulation?
Definition
20 POUNDS
Term
Which of the following formulations is LEAST likely to cause plant injury?
Definition
WETTABLE powder (W or WP)
Term
Which of the following formulations requires no further agitation once it is fully mixed with water?
Definition
Soluble powder (SP)
Term
The tendency of ants to take poisoned bait back to the nest:
Definition
Contributes to the effectiveness of ant baits
Term
The way a pesticide destroys or controls a target organism is its:
Definition
Mode of action
Term
When combining wettable powder,a water soluble concentrate, and an emulsifiable concentrate in a tank mix:
Definition
The emulsifiable concentrate should go in last.
Term
If a mixture of two pesticides in the spray tank results in clumping and the spray nozzles clog up, then the mixture is:
Definition
Incompatible
Term
The federal laws regulating the manufacturer, sale, transporting, and use of pesticides are administered by:
Definition
U.S EPA
Term
Regulations pertaining to pest control and pesticide use in California are part of:
Definition
The California Code of Regulations
Term
The laws and regulations controlling pesticide use in California:
Definition
May be more restrictive than federal laws
Term
The Worker Protection Standard (WPS) provides additional protection to agricultural workers by:
Definition
Strengthening FIFRA requirements for protection of workers
Term
The general-use pesticide is a product that can be purchased and used by:
Definition
Anyone
Term
You can only use a NONREGISTERED pesticide if you have obtained:
Definition
An emergency exemption from registration
Term
Section 18 exemptions are issued by the:
Definition
U.S EPA
Term
Which of the following pieces of information is not always included on the pesticide product label?
Definition
Common name
Term
What does the "Statement of Practical Treatment" on the pesticide label tell you?
Definition
First aid instructions
Term
Which of the following deviations from label directions is legal in California?
Definition
Applying less than the label rate
Term
Why must you seek expert advice before using an application rate or pesticide concentration lower than what is specified on the label?
Definition
Using less than label rates may promote pesticide resistance
Term
How long must you keep pesticide use records?
Definition
2 years
Term
When making a non-agricultural application, which of the following pesticides could be used legally without an operator identification number?
Definition
A pesticide approved for use only on non-agricultural sites
Term
A RESTRICTED-ENTRY INTERVAL (REI) refers to the amount of time that must pass after a pesticide application before:
Definition
Workers may enter the treated area without wearing protective clothing
Term
Growers must have valid Grower Identification Numbers before they can purchase:
Definition
All pesticides used in the production of agricultural commodities
Term
Which of the following types of worker is considered a pesticide handler?
Definition
People who clean application equipment
Term
When is it legally allowable for a pesticide handler to NOT wear protective eye-wear?
Definition
When repairing clean application equipment
Term
Pesticide residues on food are:
Definition
Rarely the cause of poisoning
Term
Which of the following is the most frequent route of pesticide exposure among agricultural workers?
Definition
Dermal (through the skin)
Term
Which formulation offers the greatest possibility of dermal exposure?
Definition
Oil-soluble formulations
Term
The symptoms of pesticide exposure and heat stress:
Definition
May be very similar
Term
Pesticide poisoning symptoms:
Definition
May be delayed in their appearance
Term
Normal pesticide application practices may produce what kind of pollution of groundwater sources?
Definition
Non-point
Term
Pesticide contamination of wells can cause pesticides to enter groundwater through:
Definition
Direct channels
Term
Which of the following IS NOT a factor in the soil-leaching ability of a pesticide?
Definition
Time of application
Term
Which of the following IS NOT a significant factor in breaking down a pesticide in the soil?
Definition
Growth stage of plants in the treated area
Term
Which of the following practices will reduce environmental contamination by pesticides?
Definition
Reduce the frequency of applications whenever possible
Term
Failure to use a back-flow device when loading spray tanks or applying pesticide through irrigation systems:
Definition
May result in serious contamination of groundwater
Term
Insect predators and parasites and honey bees are all considered:
Definition
Beneficials
Term
A secondary pest is one that
Definition
Becomes a problem when a pesticide application kills its natural enemies and eliminates competition from primary pest species
Term
To reduce the possibility of building up the pest's resistance to a pesticide, you can:
Definition
Use a pesticide that is selective only to the pest
Term
Which of the following may produce a pesticide residue on a crop that exceeds legal tolerances?
Definition
Allowing pesticide residue to drift onto the crop from a nearby area.
Term
How are you able to avoid most pesticide accidents?
Definition
By following the pesticide label and obeying the laws and regulations dealing with pesticides
Term
Which of the following is NOT part of the mandatory training for employees handling pesticides as part of their work?
Definition
How to bury pesticide containers
Term
Why is training on recognizing and avoiding heat stress important for pesticide handlers?
Definition
Many heat stress symptoms are similar to pesticide poisoning symptoms
Term
Which agricultural workers must receive pesticide information training under provisions of the federal Worker Protection Standard??
Definition
Workers entering treated areas within 30 days of the expiration of any restricted-entry interval
Term
Who is responsible for providing personal protective equipment to pesticide handlers?
Definition
The employer of the pesticide handler
Term
Why is it important to keep current on new information about pesticides with which you work?
Definition
To keep up-to-date in improvements in pesticides and pesticide application technology
Term
What information will you NOT find on a Material Safety Data Sheet (MSDS)?
Definition
Personal protective equipment requirements for application situations
Term
While applying pesticides, which is the most common way you might be exposed?
Definition
Pesticide material getting onto your skin
Term
What criteria do you use to select the personal protective equipment for applying a pesticide?
Definition
Follow the pesticide label requirements
Term
When applying pesticides, what is the advantage of wearing coveralls over your work clothing, even if this is not required by the pesticide label?
Definition
Coveralls can be easily removed if they become contaminated
Term
What is the DISADVANTAGE of wearing leather or fabric gloves when handling pesticides?
Definition
They absorb pesticides
Term
In which of the following pesticide application situations MUST you wear eye protection?
Definition
Spraying an orchard from an open cab tractor
Term
While mixing or applying certain pesticides, you must select and use an appropriate respirator based on:
Definition
The pesticide label requirements
Term
Why must the face-piece of a cartridge respirator fit tightly?
Definition
To channel the air through the cartridges so you breath only filtered air
Term
How often must you clean personal protective equipment, including body wear?
Definition
At the end of each work period, before using the equipment again
Term
In applying pesticides to an agricultural crop, when MUST you use a closed mixing system?
Definition
While using a liquid DANGER pesticide from an original 5-gallon container
Term
Which is NOT an appropriate way of notifying workers on an agricultural property of a pesticide application?
Definition
Enclosing a notice about the application with the worker' next paychecks
Term
When transporting pesticides in a vehicle:
Definition
Secure the containers in the cargo area and never allow anyone to ride in this part of the vehicle.
Term
The name, address, and location of a medical facility capable of treating pesticide-related injuries should be available:
Definition
At the pesticide mixing site whenever pesticides are used
Term
First aid and other emergency information for pesticide accidents is found:
Definition
In the precautionary statements section of the pesticide label
Term
First aid for pesticide on the skin includes:
Definition
Removing contaminated clothing and washing with soap and water
Term
If pesticides get into your eyes, you should always:
Definition
Flush the eyes for 15 minutes and seek medical attention
Term
If pesticide vapors are inhaled, first aid procedures include:
Definition
Loosen clothing, restore breathing if necessary, and seek medical care
Term
When someone swallows a pesticide you should:
Definition
Get immediate medical care for victim
Term
When cleaning up a spilled pesticide, the absorbent and all contaminated materials must be:
Definition
Put in sealed containers and shipped to a Class 1 disposal site
Term
Information on cleaning up spilled pesticides can be found in the :
Definition
Accidental release measures section of the material safety data sheet
Term
Dealing with fires involving pesticides requires:
Definition
Professional help, equipped and trained to fight pesticide fires
Term
If the wrong pesticide has been accidentally applied to a site, you should:
Definition
Notify the county agricultural commissioner
Term
Which of the following is NOT a benefit of a pest monitoring system?
Definition
Ability to use more pesticides and apply these more frequently
Term
Knowing something about the life history of a pest will help you to:
Definition
Plan pesticide applications and other control measures that are most appropriate to the pest
Term
Which of the following indicators WOULD NOT help you identify a pest?
Definition
Barometric pressure
Term
When making weed management decisions, which of the following information about the field is THE LEAST useful?
Definition
Species of birds present in the area
Term
A common use of a pheromone monitoring trap is to:
Definition
Time insecticide sprays for optimal control
Term
Pesticides that move deeper into the soil (percolate) have a tendency to break down:
Definition
More slowly than the pesticides on the soil surface
Term
How do high levels of organic matter in the soil sometime influence pesticide breakdown?
Definition
Organic matter binds the pesticide, making it unavailable to microorganisms, slowing the breakdown
Term
Three factor that make for effective pesticide use are:
Definition
Timing application to optimal weather conditions, pest susceptibility to the pesticide, and ability to protect natural enemies
Term
Which of the following WOULD NOT be a selective way of using a pesticide?
Definition
Using the maximum label rate of broad spectrum pesticide and applying it uniformly
Term
One way to reduce the chance of pesticide drift is to:
Definition
Lower pressure in the system and use large-orifice nozzles
Term
Which type of application equipment would produce the LEAST amount of pesticide drift?
Definition
Rope wick applicator
Term
A spray tank must be equipped with an agitator if you are using:
Definition
Wettable powders
Term
The disadvantage of SOME hydraulic spray tank agitators is that they:
Definition
Are not able to break up settled spray material in the tank
Term
A sight gauge is required on pesticide tanks that are:
Definition
50 gallons or larger
Term
What is the disadvantage of epoxy-coated metal spray tanks?
Definition
Chips or scratches can lead to serious corrosion problems
Term
What is the disadvantage of polyethylene or polypropylene spray tanks?
Definition
They are difficult to repair when punctured
Term
Which type of pump would be most suitable for a sprayer requiring an output of 25 gallons per minute at a pressure of 800 psi
Definition
piston pump
Term
Which type of pump would be most suitable for a spray situation requiring 200 gallons per minute at 100 psi
Definition
centrifugal pump
Term
The purpose of filter screens and strainers is to:
Definition
protect pumps and prevent clogged nozzles
Term
Increasing nozzle orifice size will produce:
Definition
Larger droplets
Term
To increase uniformity of spray droplets:
Definition
Select nozzles designed for the working pressure of your sprayer
Term
A nozzle with manufacturer's code of 65155 is designed to produce a volume of how many gallons per minute at 40 psi?
Definition
1.55
Term
If your sprayer normally operates at 50 psi, it should be equipped with a pressure gauge that measures in a range of:
Definition
1 to 100 psi
Term
An advantage of controlled droplet applicators (CDAs)over spray nozzles is:
Definition
CDAs produce droplets of more uniform size than nozzles
Term
If the pressure of your sprayer drops off, this could be an indication that the:
Definition
Pump is worn
Term
Which of the following WOULD NOT account for an uneven spray pattern on a boom sprayer?
Definition
Pressure in the system is adjusted to the operating range of the nozzles
Term
Which of the following is the MAIN reason for accurately measuring pesticides being put into your spray tank?
Definition
To avoid illegal over application
Term
Frequent calibration of your application equipment will assure that you:
Definition
Are using the correct amount of pesticide for effective pest control
Term
Which of the following could be a result of PROPER equipment calibration?
Definition
Effective pest control
Term
Why must you accurately measure the capacity of your spray tank?
Definition
Tank manufacturer ratings may be inaccurate.
Term
When making a pesticide application, increasing travel speed of the spraying equipment will:
Definition
Decrease the amount of pesticide applied per acre.
Term
If sprayer output is not changed, what will you need to do to the travel speed of the application equipment to maintain the same rate per acre when the swath width narrows from 20 to 15 feet?
Definition
Increase speed
Term
Which of the following IS NOT a good reason for calibrating pesticide application equipment?
Definition
So equipment can be operated faster
Term
For calibration, which four factors need to be measured?
Definition
Tank capacity, travel speed, swath width, and sprayer output (flow rate)
Term
To double the output volume of a sprayer by increasing pressure, you must adjust the pressure regulator to increase the pressure by a factor of:
Definition
Four
Term
Your calibrated sprayer with a 300-gallon tank will cover 4.2 acres. You plan to apply an herbicide at a label rate of 1.5 pounds per acre. How much of this herbicide will you put into the sprayer?
Definition
6.3 pounds
Term
It takes your equipment 3 minutes to travel 264 feet. How fast, in miles per hour, is the equipment traveling?
Definition
1 mph
Term
By measuring the output of each nozzle on the spray boom, you discover that the sprayer output is 256 ounces in 30 seconds.
Definition
4 gpm
Term
How many acres can you treat if your sprayer hold 419 gallons and you've calibrated it to spray 80 gallons per acre?
Definition
5.2
Term
A boom sprayer with flat fan nozzles is applying 6 strips, each one being 24 inches wide. What is the swath width you would use for calibration?
Definition
2 feet
Term
It took 24 gallons to refill an airblast sprayer after running it for 3 minutes. What is the sprayer's output in gallons per minute?
Definition
8
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