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 CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
Acute Oral
Common and
Toxicity,
Chemical Designations1
Dermal
L D50 (mg/kg)
Trade Name and
(Cost per Pound; and
Manufacturer 2
Toxicity
Biological Information and Remarks
and Rating
Commercial Formulation
slightly
A nonselective, foliage-applied herbicide effective on
RODEO
4,320
Glyphosate
deep-rooted perennials and annual and biennial spe-
moderate-
toxic
ROUNDUP
N -(phosphonylmethyl) =
ly toxic
cies of grasses, sedges and broadleaf weeds. It can be
Monsanto
glycind
safely applied as a directed spray among woody
KLEENUP
($26.30/lb water-
plants, and is adapted for use with wipe-on equip-
ORTHO
soluble liquid)
ment where there is a height differential between tall
(Chevron
weeds and shorter crops. It should be applied as a
Chemical Co.)
spray only before emergence of crops, otherwise crop
destruction will result. It can also be used as an
aquatic weed herbicide. It is inactive in soil. When
used in spray mixtures with herbicides such as ureas,
triazines, and others, its activity may be reduced. It
is absorbed through foliage and translocated
throughout the plant. Visible effects usually occur in
7 to 10 days. Rainfall occurring within 6 hours after
treatment reduces effectiveness. It is not absorbed
through roots. It is strongly adsorbed by soil. It is
degraded microbially. Most crops can be planted into
treated soil directly after treatment. It is corrosive to
iron and galvanized steel.
For foliar growth and seedhead suppression of tall
MANAGE
same
same
Glyphosate, Sodium sesquisalt
Monsanto
fescue and smooth bromegrass grown on highway
of N -(phosphonomethyl)
rights-of-way and industrial sites. Do not use on
glycine ($40.00/lb; 75 percent
lawns or other turf sites where aesthetic quality is
water soluble powder)
important.
1
A chemical name occupying two lines separated by an equal (=) sign would be joined together without any separation if written on one line.
2
Mention of trade name or company is for information only, and does not constitute an endorsement over other products not mentioned.
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