Cool Season Turf Out of Turf Guide
1941
Desirable Turf
KENTUCKY BLUEGRASS
HRAC Code
Herbicide Program
2 Manor 60 WDG (0.33 to 0.5 oz/A). Addition of Harrell’s Nonionic Penetrant Plus (0.25% v/v) provides maximum performance but may temporarily increase turf chlorosis. Do not use beneath desirable trees or ornamentals. Do not apply to turf less than 1 year old. 5 Xonerate 2SC (3 fl oz/A four applications OR 6 fl oz/A 2 applications). Make applications on a 14 day interval. Consult label for application restrictions. 30 PoaCure SC (0.6 – 1.2 fl oz/M). Apply 1-3 applications the spring and/or fall as a programmed approach when Kentucky bluegrass is actively growing. Retreatment intervals between 2-3 weeks. Six applications maximum per year. Golf course applications only. Refer to product label for specific program recommendations. 30 PoaCure SC (0.6 – 1.2 fl oz/M). Apply 1-3 applications the spring and/or fall as a programmed approach when Kentucky bluegrass is actively growing. Retreatment intervals between 2-3 weeks. Six applications maximum per year. Golf course applications only. Refer to product label for specific program recommendations. 1 Acclaim Extra 0.57L (24 oz/acre) + Turflon Ester 4L (1 qt/A) + Harrell’s Nonionic Penetrant Plus (0.25% v/v). Apply in late spring or early summer to actively growing plants. Do not apply to moisture- or heat- stressed turf or weeds. Repeat in 2 -3 weeks for complete control.
Perennial Ryegrass
Poa annua
Poa annua
Poa trivialis
St. Augustine
St. Augustine
4
Harrell's ProtectMAX Quinclorac (64 fl oz/A) + Harrell’s Methylated Seed Oil (1.5 pt/A)
8 Prograss 1.5 EC (2 qt/A). Treat young (1 to 5 leaf stage) weeds in fall. Will not adequately control mature plants or perennial biotypes. Multiple applications spaced 3-4 weeks apart may be necessary. Do not use on turf less than 8 weeks old nor reseed within 6 weeks after application. Turf that is shaded, poorly drained, and cold often experience herbicide damage.
Poa annua
PERENNIAL RYEGRASS
HRAC Code
Herbicide Program
Bahiagrass
4
Harrell's ProtectMAX Quinclorac (64 fl oz/A) + Harrell’s Methylated Seed Oil (1.5 pt/A)
1 Acclaim Extra 0.57L (20 fl oz/acre) + Harrell’s Nonionic Penetrant Plus (0.25% v/v). 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. Do not apply more than a total of 120 fl oz Acclaim Extra per acre per year. 27 Pylex (1.3 fl oz/A) + Turflon Ester 4L (1 qt/A) + Harrell’s Methylated Seed Oil (0.5% v/v). Apply in late summer to actively growing plants. Do not apply to moisture- or heat- stressed turf. Apply 3 sequential applications 3 weeks apart for complete control.
Bermudagrass
Bermudagrass
Centipedegrass
4
Harrell's ProtectMAX Quinclorac (64 fl oz/A) + Harrell’s Methylated Seed Oil (1.5 pt/A)
27 Tenacity (5 fl oz/A) + Harrell’s Nonionic Penetrant Plus (0.25% v/v). 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. 4 Make 2 sequential applications of Harrell's ProtectMAX Quinclorac (44 fl oz/A) + Harrell’s Methylated Seed Oil (1.5 pt/A) followed by an additional sequential application of HPM Quinclorac (39 fl oz/A) + MSO (1.5 pt/A) on 14-day to 21-day intervals. 4 Turflon Ester 4L (0.5 – 1 qt/A). Three to four sequential applications of 4 – 6 week intervals may be required to achieve complete control. 5 Xonerate 2SC (6 fl oz/A). Make two applications on a 14-21 day interval. Consult label for application restrictions. 8 Prograss 1.5 EC (2/3 to 1-1/3 gal/A). Treat young (1 to 5 leaf stage) weeds in fall. Will not adequately control mature plants or perennial biotypes. Multiple applications spaced 3-4 weeks apart may be necessary. Do not use on turf less than 2 weeks old nor reseed within 2 weeks after application. Turf that is shaded, poorly drained, and cold often experience herbicide damage. Do not exceed 4 applications per year using the 1-1/3 gal/A rate. 2 Velocity PM. Apply 0.38 to 2.25 fl oz/A on a 10 to 14 day interval when maximum daily air temperatures are between 70°F and 85°F. Do not apply more than 4.5 fl oz/A Velocity PM in a 28-day period, more than 5 applications per year, or more than 9 fl oz/A Velocity PM per year.
Creeping Bentgrass
Kikuyugrass
Kikuyugrass Poa annua
Poa annua
Poa annua
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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