Roundup Pro Max

For the control of woody brush and trees using the Frill method, what is the required concentration of the product?

• 50- to 100-percent concentration ✓
• 5% v/v solution
• 10% v/v solution
• 5 to 44 fluid ounces per acre

Answer: The label states to apply a 50- to 100-percent concentration of this product for woody brush and trees.

When performing a hollow stem injection for Giant Hogweed (Hercleum mantegazzianum), where should the injection be made?

• 12 inches above the root crown ✓
• Between the second and third internode
• 10 to 12 inches above the root crown
• At the base of the main stem

Answer: The label instructions for Giant Hogweed state to inject one leaf cane per plant 12 inches above the root crown.

When injecting Field Horsetail (Equisetum arvense), what specific equipment recommendation is provided?

• Use a small syringe that calibrates to 0.5 mL ✓
• Use a large sprayer for 5 mL doses
• Use a 5% v/v solution via standard injector
• Use a continuous frill applicator

Answer: The label notes to inject 0.5 mL and to use a small syringe that calibrates to this rate for Field Horsetail.

To control Poison Hemlock (Conium maculatum) via hollow stem injection, what dilution/strength should be used?

• A 5% v/v solution of this product ✓
• A 50% to 100% concentration
• A 10% v/v solution of this product
• Undiluted product

Answer: The label specifies a 5% v/v solution of this product for Poison Hemlock injection.

When applying Roundup Pro Max to actively growing Bermudagrass to control annual and perennial weeds, what is the maximum allowable rate for highly maintained turfgrass areas?

• 11 fluid ounces per acre ✓
• 44 fluid ounces per acre
• 5 fluid ounces per acre
• 10 fluid ounces per acre

Answer: The label states DO NOT apply more than 11 fluid ounces of this product per acre in highly maintained turfgrass areas.

According to the label, when is the best time to apply the product to warm-season grasses like bermudagrass?

• Summer or fall applications provide the best control ✓
• Early spring only
• During dormant periods
• Only during winter months

Answer: The label states that for warm-season grasses such as bermudagrass, summer or fall applications provide the best control.

Which of the following is a specific restriction regarding tank mixtures for Roundup Pro Max?

• DO NOT apply tank mixtures of this product plus Oust XP in highly maintained turfgrass areas. ✓
• DO NOT mix with any other herbicide in woody brush areas.
• DO NOT mix with water for hollow stem injections.
• DO NOT mix with more than 40 gallons of water per acre.

Answer: The label explicitly states DO NOT apply tank mixtures of this product plus Oust XP in highly maintained turfgrass areas.

If applying Roundup Pro Max to existing vegetation growing under mowed turfgrass management, what should the technician do to ensure good interception of the spray?

• Omit at least one regular mowing to allow sufficient growth ✓
• Apply immediately after the most recent mowing
• Apply only during the winter months
• Increase the dilution to 40 gallons per acre

Answer: The label advises applying after omitting at least one regular mowing to allow sufficient growth for good interception of the spray.