Dylox 420 SL Insecticide

When treating Narcissus bulb fly, how should the product be diluted?

• In 2 gallons of water per 1000 sq ft
• In 100 gallons of water ✓
• In 200-300 fl oz per acre
• In 1 gallon of water per 1000 feet of row

Answer: For Narcissus bulb fly, the label specifies dilution 'in 100 gallons of water'.

For optimum control of white grub and weevil larvae under dry conditions, what is recommended prior to application?

• Increasing the mowing height
• Applying a higher concentration of insecticide
• Prewatering, particularly if thatch is present ✓
• Applying the product in the early morning

Answer: Under dry conditions, prewatering is recommended prior to application for optimum control of white grub and weevil larvae, particularly if thatch is present.

Which application method is strictly prohibited for Dylox 420 SL?

• Drenching
• Hose-proportioned sprayers ✓
• Direct stream to base of plants
• Irrigation

Answer: The restrictions section states: 'Do not use DYLOX 420 SL Turf and Ornamental Insecticide in hose-proportioned sprayers.'

What is a restriction regarding the use of treated areas or clippings?

• Do not allow pets to walk on treated areas
• Do not use treated area or clippings from treated areas for feed or forage ✓
• Do not mow treated areas for 48 hours
• Do not use treated clippings in compost piles

Answer: The restrictions state: 'Do not use treated area or clippings from treated areas for feed or forage.'

When applying Dylox 420 SL to Landscape Ornamentals or Recreational Lawns & Turf, what is the minimum amount of water required per 1000 sq ft to ensure the active ingredient reaches the soil surface?

• 1 gallon
• 2 gallons ✓
• 5 gallons
• 10 gallons

Answer: The label states to apply with a minimum of 2 gal of water per 1000 sq ft to ensure the active ingredient reaches the soil surface.

If turf is being maintained at a mowing height of greater than 1 inch, what action may be required during periods of high pest pressure?

• Use a lower application rate
• Apply only in the evening
• Use the higher application rate of 6.9 fl oz per 1000 sq ft ✓
• Prewater the area for 24 hours

Answer: The label notes that if turf is maintained at a mowing height of greater than 1 inch, the higher application rate (6.9 fl oz per 1000 sq ft) may be required during periods of high pest pressure.

Under what condition is further irrigation NOT required after application?

• If the application is made in the evening
• If the turf is maintained at a mowing height of greater than 1 inch
• If sufficient rainfall occurs after application and prior to irrigation to thoroughly wet the thatch and top layers of soil ✓
• If the application is made to newly-mowed Poa annua

Answer: The label states that if sufficient rainfall to thoroughly wet the thatch and top layers of soil occurs after application and prior to irrigation, further irrigation is not required.

Which of the following pests is controlled using a rate of 4.6-6.9 fl. oz per 1000 sq ft?

• Cutworms ✓
• White grubs
• Narcissus bulb fly
• Billbug larvae

Answer: According to the label, Cutworms are the only pest listed with a rate of 4.6-6.9 fl. oz per 1000 sq ft.