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Sample questions
Which of the following best describes the primary mode of action for Stifle WP?
- It functions primarily as a larvicide and ovicide.
- It functions as a systemic adulticide.
- It functions as a contact neurotoxin for adult mites.
- It functions as a soil fumigant for mite eggs.
Show answer
The label states that the product functions primarily as a larvicide and ovicide.🔗 Source
Which of the following is a required component of Personal Protective Equipment (PPE) for handling Stifle WP?
- Nitrile rubber gloves > 14 mils
- Leather work gloves
- Cotton long-sleeved shirts
- Short-sleeved shirts and long pants
Show answer
The PPE section specifies chemical-resistant gloves, including nitrile rubber > 14 mils.🔗 Source
When mixing Stifle WP using water-soluble packages (WSPs), what is the correct procedure?
- Spray water from a hose directly onto WSPs to break them.
- Start mechanical or recirculation agitation before adding WSPs.
- Add WSPs to the tank before starting agitation.
- Fill the tank using a high-pressure fill pipe to dissolve WSPs.
Show answer
The mixing instructions state to start mechanical/recirculation agitation before adding WSPs and to not use a hose or fill pipe to break them.🔗 Source
For ground applications of Stifle WP on Field Corn, what is the minimum amount of water required per acre?
- 3 gallons/acre
- 10 gallons/acre
- 20 gallons/acre
- 50 gallons/acre
Show answer
The label notes that for Field Corn, ground applications require a minimum of 10 gallons water/acre.🔗 Source
In which state is aerial application of Stifle WP NOT approved for Field Corn and Cucurbit Vegetables?
- California
- New York
- Florida
- Texas
Show answer
The restrictions state: 'Not approved for aerial application in New York for Field Corn and Cucurbit Vegetables.'🔗 Source
Which method of application is strictly prohibited for Stifle WP?
- Aerial application
- Ground application
- Application through irrigation or chemigation systems
- Application using water-soluble packages (WSPs)
Show answer
The label explicitly states: 'Do not apply through any type of irrigation or chemigation system.'🔗 Source
When applying Stifle WP to Caneberry to control European Red Spider Mite, what is the recommended application rate?
- 0.66 - 1.0 oz/acre
- 1.0 - 3.0 oz/acre
- 2.0 - 3.0 oz/acre
- 3.0 - 4.0 oz/acre
Show answer
According to the Caneberry application instructions, the rate is 2.0 - 3.0 oz/acre.🔗 Source
What is the maximum number of applications of Stifle WP allowed per calendar year?
- One (1) application
- Two (2) applications
- Three (3) applications
- As many as needed for heavy infestations
Show answer
The restrictions state: 'Do not make more than one (1) application per calendar year.'🔗 Source
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