Right of Way - Iowa Pesticide Applicator || with Error-free Answers.
Growth regulator application is most effective when applied..? correct answers in early spring
when sod has greened - growth regulators slows down active growing so you want to apply while
green so it's absorbed
Which pressures help reduce herbicide drift? correct answers Reducing spray pressure (to make
bigger droplets that fall faster) and hanging nozzle to a type which emits larger droplets
Phenoxy-herbicides are widely used along roadsides because..? correct answers They don't
damage grasses. Phenoxy's active ingredient is 2,4-D that only kills forbes (flowering plants)
Soil sterilant misapplication and damage can sometimes be alleviated by mixing how many
pound of activated charcoal per 1000 sq ft for every pound of herbicide? correct answers 3
Which nonselective herbicides has the longest period of control when used at a given site?
correct answers Dichiobenil
In order to avoid injury to nearby desirable trees; persistent, nonselective herbicides such as
Hyvar should be applied..? correct answers Outside an area equal to twice the heigh of the
desirable tree
Krenite is different from most brush herbicides because: correct answers Little effect is seen the
year of application
Herbicide spraying can be performed, as a general rule, until wind speed exceeds how many
miles per hour? correct answers 10
Which formulation doesn't dissolve in water? correct answers wettable powders
, A major disadvantage of the phenix-herbicides is..? correct answers 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 because..?
correct answers The bark prevents penetration of the herbicide and reduces effectiveness
The greatest risk involved with roadside spraying of phenoxy-herbicides is..? correct answers
damage to non-target plants due to drift
The best time to treat perennials developing from an established root system is..? correct answers
During early flowering
The downward movement of pesticides in soil is called..? correct answers Leaching
Which type of weed is best controlled in early bloom? correct answers Perennial
Pesticides may move from the target area and damage the environment by..? correct answers
Drift, soil runoff or erosion, leaching thru soil
Basal bark applications are..? correct answers Possible throughout the year
What type of chemical resistant gloves should you use if a pesticide application will last one or
two hours? correct answers moderately or highly chemical resistant
Volitalization correct answers may occur after spray reaches the target site; and usually occurs at
high temperatures
Growth regulator herbicides: correct answers Rapidly degrade or are tied up in the soil
Growth regulator application is most effective when applied..? correct answers in early spring
when sod has greened - growth regulators slows down active growing so you want to apply while
green so it's absorbed
Which pressures help reduce herbicide drift? correct answers Reducing spray pressure (to make
bigger droplets that fall faster) and hanging nozzle to a type which emits larger droplets
Phenoxy-herbicides are widely used along roadsides because..? correct answers They don't
damage grasses. Phenoxy's active ingredient is 2,4-D that only kills forbes (flowering plants)
Soil sterilant misapplication and damage can sometimes be alleviated by mixing how many
pound of activated charcoal per 1000 sq ft for every pound of herbicide? correct answers 3
Which nonselective herbicides has the longest period of control when used at a given site?
correct answers Dichiobenil
In order to avoid injury to nearby desirable trees; persistent, nonselective herbicides such as
Hyvar should be applied..? correct answers Outside an area equal to twice the heigh of the
desirable tree
Krenite is different from most brush herbicides because: correct answers Little effect is seen the
year of application
Herbicide spraying can be performed, as a general rule, until wind speed exceeds how many
miles per hour? correct answers 10
Which formulation doesn't dissolve in water? correct answers wettable powders
, A major disadvantage of the phenix-herbicides is..? correct answers 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 because..?
correct answers The bark prevents penetration of the herbicide and reduces effectiveness
The greatest risk involved with roadside spraying of phenoxy-herbicides is..? correct answers
damage to non-target plants due to drift
The best time to treat perennials developing from an established root system is..? correct answers
During early flowering
The downward movement of pesticides in soil is called..? correct answers Leaching
Which type of weed is best controlled in early bloom? correct answers Perennial
Pesticides may move from the target area and damage the environment by..? correct answers
Drift, soil runoff or erosion, leaching thru soil
Basal bark applications are..? correct answers Possible throughout the year
What type of chemical resistant gloves should you use if a pesticide application will last one or
two hours? correct answers moderately or highly chemical resistant
Volitalization correct answers may occur after spray reaches the target site; and usually occurs at
high temperatures
Growth regulator herbicides: correct answers Rapidly degrade or are tied up in the soil
