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 AFM 91-19 / TM 5-629 / NAVFAC MO-314
Attachment 13
24 May 1989
145
SOIL PERSISTENCE AND HAZARDS OF HERBICIDES TO DESIRABLE PLANTS
Hazard in
Hazard to Herbaceous
Root Zones
Plants Downslope
of Trees
Herbicide
Persistence
and Shrubs
Turfgrass
Broadleafs
amitrole (Weedazol, Cytrol
2-4 weeks
low
low
low
AMS (Ammate)*
1-2 months
low
0-low
0-low
atrazine (Atratol, Aatrex)
6-12 months
mod.
high
high
bromacil (Hyvar)
v. high
> 1 year
high
high
cacodylic acid (Phytar 560)
< 1 month
0-low
0
0-low
DCPA (Dacthal)
0
0
3-6 months
0
dicamba (Banvel)
2-6 months
high
low-mod.
0
dichlorprop (weedore)
< 1-2 months
0
0
0
diuron (Karmex)
6-16 months
moderate
high
high
fenoxaprop (Acclaim)
1 month
0
0
0
fosamine (Krenite)*
1-2 months
low
0
low
< 1 month
glyphosate (Roundup, Kleenup)
0-low
0-low
0
high
2-4 months
hexazinone
high
high
high
6-12 months
monuron-TCA (Urox)
high
high
0-low
napropamide (Devrinol)
0
3-9 months
low
0-low
0
3-9 months
oryzaline (Surflan)
low
0
0
0
3-9 months
oxadiazon (Ronstar)
0-low
0-low
0
< 1 month
paraquat, diquat
0
0
0
306 months
Pendimethalin (PRE-M)
0
low
0
< 1-2 months
Phenoxys:2,4-D; dichlorprop
0
high
v. high
> 1 year
picloram (Tordon, Amdon)
high
high
high
6-12 months
prometon (Pramitol)
mod.
mod.
low
6-12 months
simazine (Princep)
high
high
v. high
> 1 year
tebuthiuron (Spike, Graslan)
low
0
2-4 months
low
triclopyr (Garlon, Turflon)
*Approved for use in watersheds of public water supplies.
Prepared by: John F. Ahrens, Connecticut Agricultural Experiment Station, Valley Laboratory, P.O. BOX
248, Windsor, CT 06095
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