Martin s IGR Concentrate

When treating horsetail (Equisetum arvense), at what stage of growth should the product be applied?

• Before the plant emerges
• When the plant is in the 3 - 8 leaf stage
• After the horsetail has leafed out ✓
• During the seeding stage

Answer: The label specifies to apply the product for horsetail 'after horsetail has leafed out.'

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When performing a spot treatment for newly emerged nutsedge, what is the correct mixing ratio to treat 1,000 sq. ft.?

• 0.03 oz. in 1 - 2 gallons of water ✓
• 2/3 oz. in 1 - 2 gallons of water
• 0.06 oz. in 1 gallon of water
• 2 teaspoons in 1 gallon of water

Answer: The label states to mix 0.03 oz. (0.9 gram) in 1 - 2 gallons of water to treat 1,000 sq. ft. for localized control of newly emerged nutsedge.

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If a technician is applying this product to turfgrass, how long must they wait after application before seeding or sodding?

• 3 months
• 4 weeks ✓
• 3 hours
• 4 hours

Answer: The timing/weather section states: 'Wait 4 weeks between application and seeding or sodding of turfgrass.'

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According to the label, which of the following application methods is strictly prohibited?

• Broadcast treatments on turfgrass
• Spot treatments for localized control
• Application through an irrigation system ✓
• Application in tank farms

Answer: The restrictions state: 'Do not apply this product through any type of irrigation system.'

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To achieve best results regarding rainfall, how long should there be no rainfall or irrigation after application?

• At least 3 hours
• At least 4 hours ✓
• At least 12 hours
• At least 24 hours

Answer: The label states that while effective if no rainfall occurs within 3 hours, best results are obtained with no rainfall or irrigation for at least 4 hours.

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Which of the following target pests is NOT listed as being controlled at roadside, right-of-way, or tank farm sites?

• Pigweed, redroot
• Ragweed, giant
• Sunflower, Velvetleaf
• Nutsedge ✓

Answer: While nutsedge is a target pest for turfgrass, the specific list for roadsides, rights-of-way, etc., includes Cocklebur, Horsetail, Pigweeds, Ragweeds, and Sunflower/Velvetleaf, but does not list nutsedge in that specific group.

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For broadcast applications, what is the required amount of nonionic surfactant to be used per 100 gallons of spray solution?

• 0.25 - 0.5% ✓
• 2 teaspoons per gallon
• 1/3 fl. oz. per gallon
• 0.03 oz. per 1,000 sq. ft.

Answer: The mixing instructions state to 'Use 0.25 - 0.5% nonionic surfactant (1 - 2 quarts per 100 gallons of spray solution) for broadcast applications.'

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What is the maximum allowed amount of Martin's IGR Concentrate to be applied per acre within a 12-month period?

• 2 2/3 oz.
• 3 - 8 oz.
• 5 1/3 oz. ✓
• 1 1/3 oz.

Answer: The restrictions state: 'Do not apply more than 5 1/3 oz. of this product... per acre per 12-month period.'

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