Descriptions

PRE = Preemergence
POST = Postemergence

0 = Not Labeled or No Control
1 = Excellent Control
2 = Fair Control
3 = Poor Control

Herbicide Name: CLOPYRALID
   

Weed Common Name
Efficacy Rating of
PRE Control
Efficacy Rating of
POST Control
acacia
artichoke, Jerusalem
buckwheat, wild
buffalobur
burdock, common
carrot, wild
chamomile, false
chamomile, mayweed
clover, hop
clover, red
clover, white
cocklebur, common
coffeeweed
cornflower
crazyweed, Lambert
daisy, oxeye
dandelion
dock, curly
galinsoga
groundsel, common
hawksbeard, narrowleaf
hawkweed, orange
hawkweed, yellow
horseweed
jimsonweed
knapweed, Russian
knapweed, diffuse
knapweed, spotted
knotweed, prostrate
kudzu
ladysthumb
lettuce, prickly
marshelder
medic, black
mesquite
nightshade, cutleaf
nightshade, eastern black
nightshade, hairy
pineappleweed
plantain
ragweed, common
ragweed, giant
salsify, meadow
sicklepod
smartweed, Pennsylvania
smartweed, green
sorrel, red
sowthistle, annual
sowthistle, perennial
starthistle, yellow
sunflower, common
teasel, common
thistle, Canada
thistle, bull
thistle, musk
vetch, common
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
1
1
1
1
1
1
1

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