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 Knotweed, silversheath

Efficacy
Rating
of
PRE
Control

Efficacy Rating of POST
Control
metribuzin
pyrithiobac
triflusulfuron
1
0
0
1
1
2

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