Practice 8 Opti Amine 2 4 D Amine Herbicide exam questions with instant feedback and cited explanations.
When applying Opti Amine 2 4 D to the surface of cut stumps, how should the mixture be applied?
Answer: The label instructions for cut stumps state to thoroughly soak the entire stump including the cut surface, bark, and exposed roots.
What is a specific timing restriction for treating Maple trees with this product?
Answer: The label explicitly states that maples should not be treated during the spring sap flow.
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?
Answer: The label specifies a Directed Spray rate of 8 pints per 100 gallons of spray solution for conifer plantations.
According to the label, which of the following is a target pest for Tree Injection Applications in non-crop areas?
Answer: Hickory is listed as an unwanted hardwood tree for Tree Injection Applications, while the others are listed as bioenergy crops.
When applying to bioenergy crops like giant reedgrass or switchgrass, how long must you withhold above-ground irrigation after application?
Answer: For bioenergy crops, the label requires withholding above-ground irrigation for 3 days after application.
For hard to control species such as ash, maple, or dogwood, what is the recommended injection rate?
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.
For Tree Injection Applications, where should the injection sites be located relative to the tree?
Answer: While measurements are taken at breast height, the label specifies that injection sites should be as close to the root collar as possible.
What is the maximum number of broadcast applications allowed per year for bioenergy crops?
Answer: The restrictions state there are limited to 2 broadcast applications per year for bioenergy crops.