Descriptions

PRE = Preemergence
POST = Postemergence

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

List of Herbicides Used on Horseweed

Efficacy
Rating
of
PRE
Control

Efficacy Rating of POST
Control
2,4-D
aminopyralid
atrazine
chlorimuron
clopyralid
cloransulam
diuron
flumetsulam
glyphosate
hexazinone
isoxaben
norflurazon
paraquat
pendimethalin
primisulfuron
sulfometuron
terbacil
triasulfuron
0
0
1
0
0
1
3
1
0
2
1
2
0
2
0
1
1
0
1
1
0
1
1
1
0
0
1
2
0
0
3
0
2
1
1
1

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