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Sample questions
When applying Opti Amine 2 4 D to the surface of cut stumps, how should the mixture be applied?
- As a directed spray avoiding the bark
- Thoroughly soak the entire stump including cut surface, bark, and exposed roots
- Inject 1 ml per inch of trunk diameter
- Apply only to the base of the root collar
Show answer
The label instructions for cut stumps state to thoroughly soak the entire stump including the cut surface, bark, and exposed roots.🔗 Source
What is a specific timing restriction for treating Maple trees with this product?
- Do not treat during the spring sap flow
- Do not treat between May 15th and October 15th
- Do not treat during the late summer
- Do not treat after the 4-leaf stage
Show answer
The label explicitly states that maples should not be treated during the spring sap flow.🔗 Source
When performing a Directed Spray in conifer plantations to control hardwood species like alder or aspen, what is the required application rate per 100 gallons of spray solution?
- 8 pints
- 17 pints
- 2.6 fl oz
- 1 ml
Show answer
The label specifies a Directed Spray rate of 8 pints per 100 gallons of spray solution for conifer plantations.🔗 Source
According to the label, which of the following is a target pest for Tree Injection Applications in non-crop areas?
- Giant reedgrass
- Switchgrass
- Hickory
- Miscanthus
Show answer
Hickory is listed as an unwanted hardwood tree for Tree Injection Applications, while the others are listed as bioenergy crops.🔗 Source
When applying to bioenergy crops like giant reedgrass or switchgrass, how long must you withhold above-ground irrigation after application?
- Immediately after spraying
- 1 day
- 3 days
- 30 days
Show answer
For bioenergy crops, the label requires withholding above-ground irrigation for 3 days after application.🔗 Source
For hard to control species such as ash, maple, or dogwood, what is the recommended injection rate?
- 1 ml of undiluted product per injection site
- 2.6 fl oz per gallon of spray
- 2 ml of undiluted product per injection site
- 8 pints per 100 gallons of spray solution
Show answer
The label states to use 2 ml of undiluted OPTI-AMINE per injection site for hard to control species like ash, maple, and dogwood.🔗 Source
For Tree Injection Applications, where should the injection sites be located relative to the tree?
- At breast height (4 1/2 ft. above ground)
- As close to the root collar as possible
- Only on the upper canopy
- On the outer bark only
Show answer
While measurements are taken at breast height, the label specifies that injection sites should be as close to the root collar as possible.🔗 Source
What is the maximum number of broadcast applications allowed per year for bioenergy crops?
- 1 application
- 2 applications
- 3 applications
- Unlimited
Show answer
The restrictions state there are limited to 2 broadcast applications per year for bioenergy crops.🔗 Source
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