Practice 8 Opello exam questions with instant feedback and cited explanations.
Which specific crops are Opello labeled for the control of soil-dwelling insects?
Answer: It is designed for the control of targeted soil-dwelling insects in corn, popcorn, and seed corn.
According to the label, what is the Re-entry Interval (REI) for this product?
Answer: REI: 12
What is the concentration of the active ingredient isocycloseram in Opello?
Answer: Its active ingredient is isocycloseram at a concentration of 25.7%.
Which of the following is a required piece of personal protective equipment for handlers of Opello?
Answer: Chemical-resistant gloves made of barrier laminate, butyl rubber ≥ 14 mils, nitrile rubber ≥ 14 mils, neoprene rubber ≥ 14 mils, polyvinyl chloride (PVC) ≤ 14 mils, or Viton® ≥ 14 mils.
What is the mode of action for the active ingredient in Opello?
Answer: The product works by binding to the GABA receptor, resulting in a block of inhibitory neurotransmission, hyperexcitation, and death of target insects.
Where is application of this product strictly prohibited?
Answer: Do not apply directly to, or to areas where surface water is present, or to intertidal areas below the mean high-water mark.
Who is authorized to purchase Opello for retail sale?
Answer: For retail sale to and use only by certified applicators or persons under their direct supervision.
To minimize impact on pollinators, when should application be avoided?
Answer: It is highly toxic to bees and other pollinating insects; avoid application during bloom or when bees are actively foraging.