Selection

Herbicide MOA
Most Prominant
Selecting Herbicide

Average Years
to Resistance

Typical
Minimum

ACCase inhibitors fenoxaprop
12

6

ALS inhibitors bensulfuron
9

3

PSII ureas and amides propanil
32

15

Bipyridiliums diquat
31

15

Chloracetamides Butachlor
21

15

Thiocarbamates thiobencarb
25

15

Synthetic Auxins 2,4-D
20

15

Synthetic Auxins quinclorac
7

6

Herbicide MOA	Most Prominant Selecting Herbicide	Average Years to Resistance	Typical Minimum
ACCase inhibitors	fenoxaprop	12	6
ALS inhibitors	bensulfuron	9	3
PSII ureas and amides	propanil	32	15
Bipyridiliums	diquat	31	15
Chloracetamides	Butachlor	21	15
Thiocarbamates	thiobencarb	25	15
Synthetic Auxins	2,4-D	20	15
Synthetic Auxins	quinclorac	7	6