Grass And Sedge Weed Susceptibility To Pre Herbicides

KEY TO CONT ROL CODES I E = Excellent (90 to 100%); G = Good (80 to 90%); F = Fair (70 to 80%); P = Poor (less than 70%); N = No Activity; Blank Space = Lack of Information.

For a specific target weed(s) choose an appropriate herbicide that provides excellent (E) to good control (G). Fair to poor control of additional weeds should be considered as added benefits in addition to control of specific target weeds. Ratings are based on optimum application timing and most susceptible stage of weed growth.

HERBICIDE CHOICE: This table is meant to assist in choosing the appropriate herbicide(s). This table is intended to complement the HERBICIDE APPLICATION CALENDAR and the HERBICIDE OPTIONS FOR CONTROLLING LAWN WEEDS.

GRASS WEEDS (fromseed)

trifluralin TEAM 2G

bensulide BETASAN

napropamide DEVRINOL

dithiopyr DIMENSION

oryzalin SURFLAN

pendimethalin PENDULUM

siduron TUPERSAN

simazine PRINCEP

metolachlor PENNANT

prodiamine BARRICADE

isoxaben GALLERY

Common Bermuda

- -

- -

P

P

- -

- -

P

P

- -

F

P

- -

N

Bluegrass, annual

E

E

E

E

G

E

E

E

N

E

G

E

N

Crabgrass

E

E

E

E

E

E

E

E

G

E

G

G

N

Dallisgrass

G

G

F

F

- -

E

F

F

- -

F

G

G

N

Goosegrass

G

E

E

E

G

E

E

E

- -

G

G

G

N

Jewgrass, annual

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

N

Nimblewill

- -

- -

- -

- -

- -

- -

- -

- -

- -

F

- -

- -

N

Orchardgrass

- -

- -

G

- -

G

G

G

G

G

F

- -

G

N

Smutgrass

- -

- -

- -

- -

- -

G

- -

- -

- -

- -

- -

- -

N

SEDGES

Ann. Sedge

N

N

N

N

N

N

N

N

N

N

G

N

N

Nutsedge, yellow

N

N

N

N

N

N

N

N

N

N

G

N

N

Nutsedge, purple

N

N

N

N

N

N

N

N

N

N

N

N

N

Kyllinga

N

N

N

N

N

N

N

N

N

N

N

N

N

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