Clemson tiger paw with a green thumb Clemson University Horticulture
Home | About Me | Peach Information | Pawpaw Information | Feedback | Login
     
 
Untitled Document

Weed Response to Herbicides
Used in Fruits and Nuts

- Wayne Mitchem, Extension Weed Specialist

BIENNIAL AND PERENNIAL WEEDS


Goal
Fusil ade
Select+
Roundup, Touchdown

Gra mox one*

2,4-D

Poast
Application Method
PRE
PDS
PDS
PDS
PDS
PDS
Time of Year
S
F
S
F
S
F
S
F
S
F
S
F
asters
F
F
P
P
G
E
F
F
F
P
P
bahiagrass
P
P
F
P
F
F
F
F
P
P
F
P
bermudagrass
P
P
G
F
F
G
F
P
P
P
G
P-F
briars
P
P
P
P
P-F
G-E
P
P
F
F
P
P
camphorweed
G
P
P
G
F
P
P
dallisgrass
P
P
F
F
G
G
F
P
P
P
P
P
dogfennel
P
P
G
G
F
P
P
P
horsenettle
P
P
P
P
F
G
P
P
F
P
P
johnsongrass
P
P
G
P
F
G
F
P
P
P
G
F
nutsedge
F
F
P
P
F
G
F
F
P
P
P
plantains
P
P
E
E
F
F
G
G
P
P
wild garlic/onion
P
P
G
G
F
F
G
G
P
P

ANNUAL GRASSES


Goal
Fusil ade
Select+
Roundup, Touchdown

Gra mox one*

2,4-D

Poast
Application Method
PRE
PDS
PDS
PDS
PDS
PDS
Time of Year
S
F
S
F
S
F
S
F
S
F
S
F
barnyardgrass
F
G
E
G
P
P
G
crabgrass
F
G
E
G
P
P
G
crowfootgrass
F
G
E
G
P
P
G
fall panicum
G
E
G
P
P
G
goosegrass
F
G
E
G
P
P
G
johnsongrass (seedling)
E
E
E
P
P
E
ryegrass, annual
P
G
G
G
G
F
G
P
P
E
E
sandbur
P
G
E
G
P
P
G
signalgrass, broadleaf
P
E
E
G
P
P
E
Texas panicum
P
E
E
E
P
P
E

ANNUAL BROADLEAF WEEDS


Goal
Fusil ade
Select
+
Roundup, Touchdown

Gra mox one *

2,4-D

Poast
Application Method
PRE
PDS
PDS
PDS
PDS
PDS
Time of Year
S
F
S
F
S
F
S
F
S
F
S
F
bristly starbur
F - G
F
P
G
F G
G
P
chickweed
P
P
G
G
F
G
F
F
P
P
cocklebur
G
P
P
E
G
E
E
P
crotalaria
E
P
P
E
G
G
P
croton, tropic
E
P
P
E
F G
G
P
evening primrose
F
G
P
P
P-F
F
F
F G
F
G
P
P
Florida beggarweed
P
P
E
E
F
P
Florida pusley
E
P
G
F**
F
P
horseweed
P
F
P
P
G-E
G-E
F *
F
G
P
P
jimsonweed
G
P
E
G
E
P
lambsquarters
E
P
G
G
E
P
morningglories
F - G
P
G
G
G
P
pigweeds
E
P
G
G
G
P
prickly lettuce
G
P
P
G
G
F
G
G
G
P
P
prickly sida (teaweed)
E
P
G
F
G
P
G
P
purslane, common
E
P
E
G
E
P
ragweed, common
E
P
G
G
E
E
P
sicklepod
F
P
G
E
E
P
wild radish
G - E
E
P
P
E
E
F
G
G
G
P
P

Key

PRE = Preemergence; PDS = Postemergence Directed Spray; S = Spring; F = Fall; E = Excellent; G = Good Control; F = Fair Control; P = Poor Control.
*Gramoxone and Rely provide only contact control of many species.
**Gramoxone will control only the seedling stages of Florida pusley.
+ Fusilade and Prism are fluazifop and clethodim, respectively; and have similar activity on most weeds. Weed response also reflects Select herbicide.If no symbol is given, weed does not occur in specific season (spring or fall) or weed response is unknown.

     
Clemson University, Clemson, South Carolina 29634 -- Area Code 864 -- Information 656-3311
Copyright © 2001, Clemson University. All rights reserved.