Weed Response to Herbicides
Used in Fruits and Nut
- Wayne E. Mitchem, Extension Weed Scientist
Biennial and Perennial Weeds
Karmex, etc.
Devrinol
Solicam
Sinbar
Prowl
Surflan
simazine
Application Method
PRE
PRE
PRE
PRE
PRE
PRE
PRE
Time of Year
S
F
S
F
S
F
S
F
S
F
S
F
S
F
asters
F
G
P
F
G
P
P
P
P
G
bahiagrass
P
P
P
P
P
P-F
P-F
P
P
P
P
P
P
bermudagrass
P
P
P
P
F
F
F
P
P
P
F
F
P
P
briars
P
P
P
P
P
F
P
P
P
P
P
P
P
P
camphorweed
P
G
F
P
P
P
P
G
dallisgrass
P
P
P
P
F
P-F
P-F
P
P
P
P
P
P
dogfennel
P
F
P
P
E
G
G
P
P
P
P
P
F
horsenettle
P-F
P
P
P
P
P
F
P
P
P
P
P
P-F
P
johnsongrass
P
P
P
P
P
P
P
P
P
P
P
P
P
P
nutsedge
P
P
P
P
P-F
P-F
P-F
P
P
P
P
P
P
plantains
G
G
F
P
P
P
P
P
G
wild garlic/onion
P
P
P
G
P
P
P
P
P
P
Annual Grasses
Karmex, etc.
Devrinol
Solicam
Sinbar
Prowl
Surflan
simazine
Application Method
PRE
PRE
PRE
PRE
PRE
PRE
PRE
Time of Year
S
F
S
F
S
F
S
F
S
F
S
F
S
F
barnyardgrass
G
E
G
G
G
G
G
crabgrass
G
E
G E
G
E
E
G
crowfootgrass
G
E
G
G
E
E
G
fall panicum
F
G
E
G
G
G
G
goosegrass
G
G
E
G
E
E
G
johnsongrass (seedling)
F
E
G
G
G
G
P
ryegrass, annual
G
F
F
F
F G
G-E
sandbur
G
E
G
G
G
E
G
signalgrass, broadleaf
G
G
G
G
E
G
P
Texas panicum
P
G
F
F
G
G
F
Annual Broadleaf Weeds
Karmex, etc.
Devrinol
Solicam
Sinbar
Prowl
Surflan
simazine
Application Method
PRE
PRE
PRE
PRE
PRE
PRE
PRE
Time of Year
S
F
S
F
S
F
S
F
S
F
S
F
S
F
bristly starbur
G
P
F
E
P
P
F
chickweed
G
G
E
E
E
E
G
G
G
cocklebur
G
P
F
G
P
P
F
crotalaria
G
P
G
P
P
croton, tropic
G
P
E
G
P
P
F-G
evening primrose
G
F
G
F
G
P
P
G-E
Florida beggarweed
G
F
G
E
P
P
G
Florida pusley
G
E
G
E
G
G
G
horseweed
F
G
P
F
G
G
G
G
P
P
P
P
P
G
jimsonweed
G
P
G
E
P
F
F-G
lambsquarters
E
E
F
E
E
E
E
morningglories
G
P
F G
G E
P
F
F-G
pigweeds
G
G
F
E
G
G
F-G
prickly lettuce
G
E
G
E
P
P
P
P
G
E
prickly sida (teaweed)
G
P
G E
E
P
P
F-G
purslane, common
E
E
E
E
E
E
E
ragweed, common
E
F
G
E
P
P
G
sicklepod
G
P
F
E
P
P-F
F-G
wild radish
F G
G
F
G
F
G
E
E
P
P
P
P
G
E
Key
PRE = Preemergence;
S = Spring;
F = Fall; E = Excellent Control; G = Good Control; F = Fair Control; P = Poor Control.
If no symbol is given, weed does not occur in specific season (spring or fall) or weed response is unknown.