Pesticide Applicator Right of Way- Questions and
Answers
Which of the following are annual weeds? Correct Ans-Pigweed
An herbicide label calls for product to applied at 3 oz per 1000 square feet in one gallon of
carrier. If you will be spot-spraying a roadside that is roughly 40 feet wide by 1000 feet long,
about how much product will you need? Correct Ans-Almost one gallon
Risks involved with the use of soil sterilant include: Correct Ans-Movement of the
pesticide off-site into ground water
Your company is using a new herbicide for treating persistent weeds. The signal word is
DANGER. What measure should you take to minimize potential harm to yourself and
coworkers? Correct Ans-Be familiar with the poisoning symptoms
Most exposure to pesticide concentrates occurs to this part of the applicator's body:
Correct Ans-Skin
Growth regulator application is most effective when applied: Correct Ans-In early spring
when sod has greened
Which procedures will help reduce herbicide drift: Correct Ans-Reducing spray pressure
and changing nozzles to a type which emits larger droplets
Phenoxy herbicides are widely used along roadsides because: Correct Ans-They do not
damage grasses
Which of the following nonselective herbicides has the longest period of control when used at
a given site? Correct Ans-Dichlobenil
, Pesticide Applicator Right of Way- Questions and
Answers
In order to avoid injury to nearby desirable trees, persistent, nonselective herbicides such as
Hyvar should be applied _______: Correct Ans-Outside an area equal to twice the height of
the desirable tree
Krenite is different from most bush herbicides because: Correct Ans-Little effect is seen the
year of application
Herbicide spraying can be performed, as a general rule, until wind speed exceeds ____ mph.
Correct Ans-10
Which of the following formulations do not dissolve in water: Correct Ans-Wettable
powders
A major disadvantage of the phenoxy-herbicides is: Correct Ans-They can damage
desirable plants at very low rates, making them susceptible to drift damage
Basal bark treatment is not recommended for woody species larger than 6" in diameter:
Correct Ans-The bark prevents penetration of the herbicide and reduces effectiveness
The greatest risk involved with roadside spraying of phenoxy herbicides is: Correct Ans-
Damage to non-target plants due to drift
The best time to treat many perennials developing from an established root system is:
Correct Ans-During early flowering
The differences between drift and volatilization of an herbicide are: Correct Ans-Only
herbicides with high vapor pressures are susceptible to volatilization AND drift can be
controlled by adjusting spray pressure, whereas volatilization can not
Name a plant type that lives for one year: Correct Ans-Annual
Answers
Which of the following are annual weeds? Correct Ans-Pigweed
An herbicide label calls for product to applied at 3 oz per 1000 square feet in one gallon of
carrier. If you will be spot-spraying a roadside that is roughly 40 feet wide by 1000 feet long,
about how much product will you need? Correct Ans-Almost one gallon
Risks involved with the use of soil sterilant include: Correct Ans-Movement of the
pesticide off-site into ground water
Your company is using a new herbicide for treating persistent weeds. The signal word is
DANGER. What measure should you take to minimize potential harm to yourself and
coworkers? Correct Ans-Be familiar with the poisoning symptoms
Most exposure to pesticide concentrates occurs to this part of the applicator's body:
Correct Ans-Skin
Growth regulator application is most effective when applied: Correct Ans-In early spring
when sod has greened
Which procedures will help reduce herbicide drift: Correct Ans-Reducing spray pressure
and changing nozzles to a type which emits larger droplets
Phenoxy herbicides are widely used along roadsides because: Correct Ans-They do not
damage grasses
Which of the following nonselective herbicides has the longest period of control when used at
a given site? Correct Ans-Dichlobenil
, Pesticide Applicator Right of Way- Questions and
Answers
In order to avoid injury to nearby desirable trees, persistent, nonselective herbicides such as
Hyvar should be applied _______: Correct Ans-Outside an area equal to twice the height of
the desirable tree
Krenite is different from most bush herbicides because: Correct Ans-Little effect is seen the
year of application
Herbicide spraying can be performed, as a general rule, until wind speed exceeds ____ mph.
Correct Ans-10
Which of the following formulations do not dissolve in water: Correct Ans-Wettable
powders
A major disadvantage of the phenoxy-herbicides is: Correct Ans-They can damage
desirable plants at very low rates, making them susceptible to drift damage
Basal bark treatment is not recommended for woody species larger than 6" in diameter:
Correct Ans-The bark prevents penetration of the herbicide and reduces effectiveness
The greatest risk involved with roadside spraying of phenoxy herbicides is: Correct Ans-
Damage to non-target plants due to drift
The best time to treat many perennials developing from an established root system is:
Correct Ans-During early flowering
The differences between drift and volatilization of an herbicide are: Correct Ans-Only
herbicides with high vapor pressures are susceptible to volatilization AND drift can be
controlled by adjusting spray pressure, whereas volatilization can not
Name a plant type that lives for one year: Correct Ans-Annual
