Quadris Opti

Which statement regarding application near water is correct according to the label?

• Do not apply to intertidal areas below the mean high water mark. ✓
• Do not apply to surface water in gardens.
• Apply only to areas where surface water is present.
• Avoid application near freshwater lakes only.

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

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In which of the following locations is the use of Quadris Opti prohibited?

• Potatoes
• Greenhouses ✓
• Tomatoes
• Vegetables

Answer: Do not use for disease control in greenhouses.

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What are the active ingredients in Quadris Opti?

• Azoxystrobin (4.6%) and chlorothalonil (48.0%) ✓
• Chlorothalonil (48.0%) and copper (2.0%)
• Azoxystrobin (4.6%) and mancozeb (50.0%)
• Chlorothalonil (48.0%) and sulfur (10.0%)

Answer: It contains two active ingredients: azoxystrobin (4.6%) and chlorothalonil (48.0%).

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What precaution must be taken to prevent injury to certain apple varieties?

• Do not apply during high wind conditions.
• Do not use equipment previously used to spray apple trees. ✓
• Do not apply when temperatures exceed 90 degrees.
• Do not apply near apple orchards.

Answer: Extremely phototoxic to certain apple varieties; do not use equipment previously used to spray apple trees.

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To check for physical compatibility when mixing Quadris Opti with other products, what should be done if compatibility is unknown?

• Mix a small amount and allow to stand for 20 minutes ✓
• Perform a jar test for 24 hours
• Mix in a large tank and observe for 1 hour
• Dilute with five gallons of water and observe

Answer: When mixing with other products, check compatibility; if unknown, mix a small amount and allow to stand for 20 minutes to check for physical compatibility.

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Which of the following is a required piece of Personal Protective Equipment (PPE) when handling Quadris Opti?

• Chemical-resistant boots
• Face shield
• Chemical-resistant gloves made of nitrile rubber ✓
• N95 particulate mask

Answer: PPE includes chemical-resistant gloves made of any waterproof material such as polyvinyl chloride, nitrile rubber or butyl rubber.

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When performing an aerial application of Quadris Opti, what is the minimum required water volume per acre?

• Two gallons of water per acre
• Five gallons of water per acre ✓
• Ten gallons of water per acre
• Fifteen gallons of water per acre

Answer: For aerial applications, use a minimum of five gallons of water per acre.

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