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  4. Susceptibility of Weeds to Herbicide Control

Agriculture: Potato Pest Management Guidelines

Susceptibility of Weeds to Herbicide Control

Weeds Pages

  CAR CLE DIM EPT FLM GLY MCH MET PAR* PEN RIM SET TRI
ANNUAL WEEDS
barnyardgrass N C P C N C P P P C C C C
bluegrass, annual N C P C C C C P C C C N C
buckwheat, wild — N — P — C N C C C — N C
cereals, volunteer — — — C — C N P C N C C N
cudweeds — N — N — C N C C N — N N
dodders — — — N — C N N N N — N N
fiddleneck, coast C N — P — C N C C P — — P
foxtails N C C C N C C P C C C C C
knotweed, common — N — N — P N C P C — N C
lambsquarters, common C N C P P C P C C P P N P
mustards P N — N P C N C P N C N N
nettle, burning C N C N C N N C C P — N P
nightshade, black P N P P C C C P C N — N N
nightshade, hairy P N P C P C C P C N P N N
oats, wild N C C C N C N P P P P C P
pigweeds C N C C P C C C C C C N C
puncturevine — N — N C C P C C C — N C
purslane, common N N C P — C C P C C C N C
radish, wild P N — N — C N C P N C N N
rocket, London C N — C — C C C C N — N N
sandburs N C — C N C C P C C — C C
shepherd's-purse P N — C C C P C C N — N N
smartweed, pale — N — C — C P — P — P N —
thistle, Russian — N — N — C N C C C — N C
witchgrass N C — C — C C P C C — — C
PERENNIAL WEEDS
bermudagrass N P — N — C N N N N N P N
bindweed, field (seedling) P N — N N C N N P P P N P
bindweed, field (perennial) C N N N N P N N N N P N P
johnsongrass N C — N C — N N N N P C N
nutsedge, purple N N — C N C N N P N — N N
nutsedge, yellow N N P C — C C P P N — — N
quackgrass — C — P N C N P N N P C N
thistle, Canada — N N N N P N P N N — N N
C = control   P = partial control   N = no control   — = no information

CAR = carfentrazone (Shark) MET = metribuzin (Sencor)
CLE = clethodim (Intensity) PAR = paraquat* (Gramoxone)
DIM = dimethenamid (Outlook) PEN = pendimethalin (Prowl)
EPT = EPTC (Eptam) RIM = rimsulfuron (Matrix)
FLM = flumioxazin (Tuscany) SET = sethoxydim (Poast)
GLY = glyphosate (Roundup) TRI = trifluralin (Treflan)
MCH = s-metolachlor (Dual Magnum II)
* Permit required from county agricultural commissioner for purchase or use.

Text Updated: 08/19

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