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How to Manage Pests

UC Pest Management Guidelines


Turfgrass

Sensitivity of Turf Species to Herbicides

(Reviewed 9/09, updated 9/09)

In this Guideline: More about weeds in turfgrass:

  PREEMERGENCE
ATR BES CHL DCP DIT ISO NAP ORY OXA PEN PRD PRO* SID
TURF SPECIES  
bentgrasses s T T r r s s s s s s R
bermudagrass, common r T T T T T T R T T T T s
bermudagrass, hybrid r T T T T t r T T T T s
bluegrass, Kentucky s T T T T T r s T R R s T
dichondra s T s s T t s t r r
fescue, fine s T T R T s T T T s R
fescue, tall s T s T T T t s T T T s T
kikuyugrass t T t r r r t s
ryegrasses s T s T T r s R r T s T
St. Augustinegrass t T R T T s T R s s
zoysiagrass T T R T T r s R R T s T
UPPER CASE LETTERS = Registered for this turf species in California
  POSTEMERGENCE
BIS BTZ BRO CAR CHL CLO DIC* ETH1 FLU FLX FOR GLY HAL MEC MSM PEX PRO* QUI SUL TRS TRY 24A* 24E*
TURF SPECIES  
bentgrasses R r r T T t R T s R s s T T s R s R R s s r s
bermudagrass, common T T T T T t T R2 s R T s T T T T T T T T r T T
bermudagrass, hybrid T T T T t T R2 r R T s T T T T T R T s s T T
bluegrass, Kentucky s T T T T t T T s T s s T T R T s T T s T T T
dichondra s s s s T s s T s s s s s r s s s s s s
fescue, fine T T T t T s T R s s T T T s T T s T T T
fescue, tall T T T s t T T s T s s T T t R-S s R T s T T T
kikuyugrass t T r s ? R s r s T s r s s t r
ryegrasses R T T T s t T T s T s s T t T R-S s T T s T T T
St. Augustinegrass T R T R s T R R s T t s s s s s s s s
zoysiagrass T t T R t R s s T T s T r T s T s T s r s
UPPER CASE LETTERS = Registered for this turf species in California
S = sensitive R = relatively tolerant T = tolerant — = no information
ATR = atrazine (Drexel Atrazine) FLU = fluazifop (Fusilade II) QUI = quinclorac (Drive)
BES = bensulide (Bensumec) FLX = fluroxypyr (Spotlight) PEN = pendimethalin (Pendulum, etc.)
BIS = bispyribac sodium (Velocity) FOR = foramsulfuron (Revolver) PEX = penoxulam (Saphire)
BRO = bromoxynil (Buctril) GLY = glyphosate (Roundup) PRD = prodiamine (Barricade)
BTZ = bentazon (Basagran) HAL = halosulfuron (Sedgehammer) PRO = pronamide* (Kerb)
CAR = carfentrazone (QuickSilver) ISO = isoxaben (Gallery) SUL = sulfosulfuron (Certainty)
CHL = chlorsulfuron (Corsair) MEC = mecoprop (MCPP) TRS = trifloxysulfuron (Monument)
CLO = clopyralid (Lontrel) MSM = MSMA TRY = triclopyr (Turflon)
DCP = DCPA (Dacthal) NAP = napropamide (Devrinol) 24A = 2,4-D amine*
DIC = dicamba* (Banvel) ORY = oryzalin (Surflan) 24D = 2,4-D*
DIT = dithiopyr (Dimension) OXA = oxadiazon (Ronstar) 24E = 2,4-D ester*
ETH = ethofumesate (PoaConstrictor, Prograss)      
* Permit required from county agricultural commissioner for purchase or use.
1 See label for varietal tolerance of each turf species. Injury may occur to certain species or cultivars.
2 For use on dormant bermudagrass only.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Turfgrass
UC ANR Publication 3365-T
Weeds
C. A. Wilen, UC IPM Program, UC Cooperative Extension, San Diego County
M. LeStrange, UC Cooperative Extension, Tulare County
M. A. Harivandi, UC Cooperative Extension, Alameda County
Acknowledgment for contributions to Weeds:
C. L. Elmore, Vegetable Crops/Weed Science, UC Davis
D. W. Cudney, Botany and Plant Sciences, UC Riverside
V. A. Gibeault, Botany and Plant Sciences, UC Riverside

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