Practice 8 Sphaerex exam questions with instant feedback and cited explanations.
Which of the following diseases is specifically noted for a target rate of 4.0 to 5.0 fl oz/acre during the early season?
Answer: The label specifies a rate of 4.0 to 5.0 fl oz/acre for black point during the early season.
What is the maximum total amount of Sphaerex that can be applied per acre per year?
Answer: The restrictions state DO NOT apply more than 14.6 fl oz/acre per year.
A technician is preparing a spray solution. According to the restrictions, what must be true regarding the fertilizer content?
Answer: The restrictions state DO NOT apply if the final spray solution contains fertilizer > 20% v/v.
What is the Re-entry Interval (REI) for Sphaerex?
Answer: The label specifies a re-entry interval of 14 hours.
To prevent phytotoxicity, under what conditions should the user avoid applying Sphaerex?
Answer: The label warns to avoid application in hot/dry conditions to prevent phytotoxicity.
Which of the following is a required component of the Personal Protective Equipment (PPE) for handling Sphaerex?
Answer: The PPE requirements specifically include chemical-resistant gloves.
When applying Sphaerex to manage Scald on the flag leaf, what is the required application rate?
Answer: The label states the rate for Scald on the flag leaf is 5.5 to 7.3 fl oz/acre.
According to the label, which application method is NOT listed as an option for Sphaerex?
Answer: The label lists ground spray, aerial, and chemigation, but does not mention drip irrigation.