Opello

Which specific crops are Opello labeled for the control of soil-dwelling insects?

• Wheat, barley, and oats
• Soybeans, cotton, and peanuts
• Corn, popcorn, and seed corn ✓
• Alfalfa, clover, and Timothy grass

Answer: It is designed for the control of targeted soil-dwelling insects in corn, popcorn, and seed corn.

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According to the label, what is the Re-entry Interval (REI) for this product?

• 12 hours ✓
• 48 hours
• 72 hours

Answer: REI: 12

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What is the concentration of the active ingredient isocycloseram in Opello?

• 25.7% ✓
• 30%
• 14 mils
• 12%

Answer: Its active ingredient is isocycloseram at a concentration of 25.7%.

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Which of the following is a required piece of personal protective equipment for handlers of Opello?

• Chemical-resistant apron
• Nitrile rubber gloves ≥ 14 mils ✓
• Rubber boots
• Full-face respirator

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.

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What is the mode of action for the active ingredient in Opello?

• It prevents the insect from feeding on corn crops.
• It binds to the GABA receptor, blocking inhibitory neurotransmission. ✓
• It targets the nervous system by inhibiting acetylcholinesterase.
• It disrupts the exoskeleton development of soil-dwelling insects.

Answer: The product works by binding to the GABA receptor, resulting in a block of inhibitory neurotransmission, hyperexcitation, and death of target insects.

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Where is application of this product strictly prohibited?

• On any land used for organic farming.
• In areas where nitrogen levels are low.
• In intertidal areas below the mean high-water mark. ✓
• On any field located within 100 feet of a ditch.

Answer: Do not apply directly to, or to areas where surface water is present, or to intertidal areas below the mean high-water mark.

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Who is authorized to purchase Opello for retail sale?

• Any person interested in agricultural gardening.
• Certified applicators or persons under their direct supervision. ✓
• Only licensed commercial landscaping companies.
• Only individuals with a registered farm ID.

Answer: For retail sale to and use only by certified applicators or persons under their direct supervision.

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To minimize impact on pollinators, when should application be avoided?

• Only when wind speeds exceed 15 mph.
• During the evening hours to avoid nocturnal insects.
• During bloom or when bees are actively foraging. ✓
• Only when the crop is in the seedling stage.

Answer: It is highly toxic to bees and other pollinating insects; avoid application during bloom or when bees are actively foraging.

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