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 CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
Common and
Acute Oral
Chemical Designations1
Toxicity,
Dermal
(Cost per Pound; and
Trade Name and
L D 50 (mg/kg)
Manufacturer 2
Biological Information and Remarks
Toxicity
and Rating
Commercial Formulation
Selective postemergence herbicides to control crab-
slight
1,359 to
Methane Arsonates
TRANS-VERT
grass, dallisgrass, and other weedy grasses in turf.
methanearsonic acid
Union Carbide
3,630;
to
Also used extensively as selective postemergence her-
very low
moderately
and other formulations
CALAR
bicide in cotton and noncrop areas for control of
toxicity
DSMA disodium methane
DAL-E-RAD
toxic
Johnsongrass, nutsedge, sandbur, foxtail, cocklebur,
WEED-HOE
arsonate
pigweeds, and other weeds. Not for use in St.
MSMA monosodium
WEED-E-RAD
Augustine grass and centipedegrass turf. Cannot be
Vineland
methanearsonate
used in water carriers that are high in calcium,
CMA Calcium methane =
BUENO
magnesium, or iron because of insoluble precipitates.
DACONATE
arsonate
inactivated in soil by surface adsorption and ion
AMA octyl-dodecyl
Fermenta
exchange. Short soil residual.
ammonium methane =
NAMATE
MESAMATE
arsonate
($2.00/lb; water-soluble
Crystal
liquid)
Chemical
BROADSIDE
METHAR
Cleary
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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