What type of chemical resistant gloves should you use if a
pesticide application will last one or two hours? – ANSWERModerately or highly chemical resistant
Volatilization: – ANSWER- May occur after spray reaches the
target site and usually occurs at high temperatures
Growth regulator herbicides: – ANSWER- Rapidly degrade or
are tied up in the soil
What should you do with clothing that becomes soaked with full
strength concentrate pesticides? – ANSWER- Discard the
clothing with any contaminated PPE
Which of the following are annual weeds? – ANSWERPigweed
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? – ANSWER- Almost one
gallon
Risks involved with the use of soil sterilant include: –
ANSWER- 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? –
ANSWER- Be familiar with the poisoning symptoms
Most exposure to pesticide concentrates occurs to this part of the
applicator’s body: – ANSWER- Skin
Growth regulator application is most effective when applied: –
ANSWER- In early spring when sod has greened
Which procedures will help reduce herbicide drift: – ANSWERReducing spray pressure and changing nozzles to a type which
emits larger droplets
Phenoxy herbicides are widely used along roadsides because: –
ANSWER- They do not damage grasses
Which of the following nonselective herbicides has the longest
period of control when used at a given site? – ANSWERDichlobenil
In order to avoid injury to nearby desirable trees, persistent,
nonselective herbicides such as Hyvar should be applied
: – ANSWER- Outside an area equal to twice the height
of the desirable tree
Krenite is different from most bush herbicides because: –
ANSWER- Little effect is seen the year of application
Herbicide spraying can be performed, as a general rule, until
wind speed exceeds ___ mph. – ANSWER- 10
Which of the following formulations do not dissolve in water: –
ANSWER- Wettable powders
A major disadvantage of the phenoxy-herbicides is: –
ANSWER- They can damage desirable plants at very low rates,
making them susceptible to drift damage
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