Turf Out of Turf Guide
Desirable Turf
1941
ST. AUGUSTINE SOD Creeping Bentgrass
27 Tenacity (4 fl oz/A) + Harrell’s Nonionic Penetrant Plus (1 qt/100 gal). Apply Tenacity in at least 30 gallons of water per acre at two to three-week intervals for up to three applications. Bentgrass control may be more effective in the late summer/early fall just prior to onset of renewed bentgrass growth, than spring/early summer applications. Apply to established turf only.
ZOYSIAGRASS Bahiagrass
4 Drive XLR8 (64 fl oz/A) + Harrell’s Methylated Seed Oil (1.5 pt/A)
Bahiagrass
17 MSMA (2.5 pt/A) + Harrell’s Nonionic Penetrant Plus (0.25% v/v). For golf course application only spot treatments (100 square feet maximum per spot) are allowed. Spot treatment must not exceed 25% of total golf course acreage per year. Not for use in Florida.
Bahiagrass
1 + 2 Manuscript (19.2 fl oz/A once OR 9.6 fl oz/A twice on 14 day interval) + Agidor (0.5 to 1% v/v) + Monument 75WG (0.35 to 0.53 oz/A)
Bermudagrass
1 Fusilade II T&O 2L (5 oz/acre) + Turflon Ester 4L (1 qt/A) + Harrell’s Non-Ionic Penetrant Plus (0.25% v/v). Applications should begin in late fall and repeated every 28- 30 days. Do not apply to desirable turfgrass under stress. Adding triclopyr ester increases control but should not be used on warm-season grasses unless temporary phytotoxicity is acceptable. 1 Acclaim Extra 0.57L (20-28 fl oz/acre) + Turflon Ester 4L (1 qt/A) + Harrell’s Nonionic Penetrant Plus (1 qt/100 gal). Begin applications as soon as common bermudagrass begins growth. Repeat applications should be made every 4-5 weeks to continue growth suppression of these species for up to 5 applications. Adding triclopyr ester increases control but should not be used on warm-season grasses unless temporary phytotoxicity is acceptable.
Bermudagrass
Centipedegrass
4 Drive XLR8 (64 fl oz/A) + Harrell’s Methylated Seed Oil (1.5 pt/A)
Creeping Bentgrass
2 Revolver 0.19L (4.4 – 17.4 fl oz/A). Revolver rate and temperature will influence the speed of removal. Higher labeled rates and air temperatures will result in quicker removal. For best results to control mature weeds, make applications when the daily temperature is above 70 degrees. Including Harrell’s Methylated Seed Oil (up to 1% v/v) may improve efficacy while increasing the chance of phytotoxicity under some conditions.
Kentucky Bluegrass Kikuyugrass
4 Drive XLR8 (0.9 – 1 fl oz/M) + Harrell’s Methylated Seed Oil (0.55 fl oz/M). Make 2 sequential applications of Drive XLR8 (1.0 fl oz/M) + Harrell’s Methylated Seed Oil (0.55 fl oz/M) followed by an additional sequential application of Drive XLR8 (0.90 fl oz/M) + MSO (0.55 fl oz/M) on 14-day to 21-day intervals. 3 Kerb SC T&O (1.25 – 2.5 pt/A). Apply Kerb to warm season grasses at 50% greenup for ryegrass removal. Avoid spraying on hill sides, fairways, or approaches that may drain onto bentgrass greens or to areas overseeded with sensitive cool season grasses.
Perennial Ryegrass
Perennial Ryegrass Perennial Ryegrass
2 Monument 75 WG (0.35 – 0.45 oz/A) + Harrell’s Nonionic Penetrant Plus (0.25 – 0.5% v/v).
2 Katana (0.5 to 1.5 oz/A) + Harrell’s Nonionic Penetrant Plus (0.25% v/v). Applications for spring transition do not negatively impact bermudagrass greenup. Katana herbicide shows a slight rate response with control occurring within 3-4 weeks after application with the highest labeled rate giving better and faster control. Therefore, the bermudagrass or zoysiagrass turf needs to be at 50 to 60% greenup at the time of application for optimal maintenance of a green turf situation. 2 Revolver 0.19L (8.8 – 17.4 fl oz/A). Revolver rate and temperature will influence the speed of removal. Higher labeled rates and air temperatures will result in quicker removal. For best results to control mature weeds, make applications when the daily temperature is above 70 degrees. Including Harrell’s Methylated Seed Oil (up to 1% v/v) may improve efficacy while increasing the chance of phytotoxicity under some conditions.
Poa annua
Poa annua Poa annua
2 Monument 75 WG (0.35 – 0.45 oz/A) + Harrell’s Nonionic Penetrant Plus (0.25 – 0.5% v/v).
5 Xonerate 2SC (9-14 fl oz/A). Make applications on 14-21 day intervals. Consult label for application restrictions.
The label for each product presented here should be consulted for Directions for Use and Rates of Application prior to use.
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