Start practice — 8 questions →
Sample questions
When preparing a tank mix containing Defendor Herbicide, what is the correct initial step in the mixing order?
- Add the correct amount of Defendor and agitate.
- Fill the spray tank with water to 3/4 of the required spray volume.
- Start agitation after the tank is full.
- Add emulsifiable concentrates.
Show answer
Mixing Order for Tank Mixes: 1. Fill the spray tank with water to 3/4 of the required spray volume.🔗 Source
Regarding the application of emulsifiable concentrates and solutions when mixing with Defendor, when should these be added to the tank?
- Before the dry flowables.
- Immediately after filling the tank with 3/4 water.
- After aqueous suspensions, flowables, and liquids.
- Before adding the Defendor herbicide.
Show answer
Maintain agitation and add (4) emulsifiable concentrates; (5) solutions; and (6) adjuvants. [This follows the addition of aqueous suspensions, flowables and liquids].🔗 Source
According to the mixing instructions, how long should you agitate the mixture after adding the correct amount of Defendor?
- 1 to 2 minutes
- 2 to 3 minutes
- 3 to 5 minutes
- Until the tank is full
Show answer
Add the correct amount of Defendor and agitate for 2 to 3 minutes.🔗 Source
When applying Defendor to trees, shrubs, ornamental plants, or broadleaf crops that may be sensitive to the product, what should the applicator do?
- Reduce the application rate by half.
- Repeat steps 1 through 3 of the mixing order.
- Use a different type of adjuvant.
- Skip the agitation step to prevent over-application.
Show answer
If spray equipment will be used for pesticide application to trees, shrubs, ornamental plants, or broadleaf crops that may be sensitive to Defendor, repeat steps 1 through 3.🔗 Source
What is the recommendation regarding the use of the same sprayer after treating trees, shrubs, or ornamental plants with Defendor?
- It is recommended only if the sprayer is cleaned with water.
- It is best not to use the same sprayer to treat trees, shrubs, or ornamental plants after use with this product.
- It is permitted if the application rate is reduced.
- It is required to agitate for 5 minutes before switching crops.
Show answer
It is best not to use the same sprayer to treat trees, shrubs, or ornamental plants after use with this product.🔗 Source
In a tank mix containing Defendor, what is the correct sequence for adding different formulation types after Defendor has been added and agitated?
- Solutions, then emulsifiable concentrates, then adjuvants.
- Dry flowables, then wettable powders, then aqueous suspensions, flowables and liquids.
- Wettable powders, then dry flowables, then emulsifiable concentrates.
- Aqueous suspensions, then dry flowables, then solutions.
Show answer
After adding Defendor, add different formulation types in the following order: (1) dry flowables; (2) wettable powders; (3) aqueous suspensions, flowables and liquids.🔗 Source
If using equipment previously used to apply a product containing boron, what must be done before mixing Defendor with products in water soluble packaging?
- The equipment must be emptied and dried.
- The equipment must be agitated for 3 minutes.
- The tank and spray equipment must be adequately cleaned.
- The tank must be filled to 3/4 volume first.
Show answer
For other products packaged in water soluble packaging, do not tank mix with products containing boron or mix in equipment previously used to apply a product mixture containing boron unless the tank and spray equipment has been adequately cleaned.🔗 Source
What is a restriction regarding tank mixing Defendor with another pesticide product containing the same active ingredient?
- It is prohibited under all circumstances.
- It is only allowed if the product is in a water soluble packaging.
- It can be done only if the label of either tank mix partner specifies the maximum dosages that may be used.
- It is allowed as long as boron is not present in the mixture.
Show answer
Do not tank mix with another pesticide product that contains the same active ingredient as this product unless the label of either tank mix partner specifies the maximum dosages that may be used.🔗 Source
← All practice exams