Tersus Hydroponic Crop Insecticide 2026 03 22

What is the maximum allowable application rate of Tersus Insecticide for greenhouse fruit, vegetable, flower, and foliage plants?

• 1 gallon per 1,000 sq. ft.
• 0.39 fl. oz. per 1,000 sq. ft. ✓
• 13.07 fl. oz. per 1,000 sq. ft.
• 0.373 fl. oz. per 1,000 sq. ft.

Answer: The label notes not to exceed the maximum application rate of 0.39 fl. oz. of Tersus Insecticide per 1,000 sq. ft.

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Which of the following is a specific use restriction for Tersus Hydroponic Crop Insecticide?

• Do not apply to livestock more than once a week
• Do not spray pets ✓
• Do not use in indoor poultry houses
• Do not apply to aquatic diptera larvae

Answer: The restrictions section explicitly states 'Do not spray pets.'

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To control fleas in livestock, what is the required dilution rate for the spray or dip?

• 1.5 to 3 fl. oz. per gallon of water
• 2.5 to 4 fl. oz. per gallon of water
• 9 fl. oz. per gallon of water ✓
• 13.07 fl. oz. per gallon of water

Answer: The label specifies a dilution of 9 fl. oz. per gallon of water for flea control in livestock.

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For outdoor vegetable and truck gardens, what is the specified application rate?

• 3 gallons per 1,000 sq. ft.
• 1 gallon per 1,000 sq. ft. ✓
• 0.1312 fl. oz. per gallon
• 5 to 6 pints per 2-ton load

Answer: The label lists the rate for vegetable and truck gardens as 1 gallon per 1,000 sq. ft.

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When treating greenhouse fruit, vegetable, flower, and foliage plants using a handheld or backpack sprayer, what is the correct dilution rate?

• 13.07 fl. oz. per 100 gallons
• 0.1312 fl. oz. per gallon ✓
• 0.25 fl. oz. per gallon
• 1.5 fl. oz. per gallon

Answer: The label specifies 0.1312 fl. oz. per gallon for handheld/backpack sprayer applications on greenhouse plants.

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If you are treating livestock for house flies, mosquitoes, and gnats, how often should the treatment be repeated for small insect populations?

• Every day
• Every week
• At intervals of 5 to 12 days ✓
• Once every 24 hours

Answer: The label states to repeat treatment at intervals of 5 to 12 days for small insect populations or when flies are emerging in large numbers.

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When treating harvested fruits and vegetables (such as in baskets or processing plants) for fruit flies and nuisance pests, what is the recommended dilution ratio?

• 1 part concentrate with 100 parts water
• 1 part concentrate with 500 parts water
• 1 part concentrate with 900 parts water ✓
• 1 part concentrate with 1,000 parts water

Answer: For Drosophila spp. and other nuisance pests on harvested produce, the label specifies 1 part with 900 parts water.

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When treating poultry houses for poultry lice, what is the correct application method?

• Spray walls and nests or cages thoroughly, followed by a fine mist over the birds ✓
• Apply only to the bedding and sleeping quarters
• Dip the birds in 1 gallon of diluted product
• Spray only the crevices of roost poles

Answer: For poultry lice, the label instructs to spray walls and nests or cages thoroughly and follow by spraying over the birds with a fine mist.

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