Quantcast Chemical, Physical, and Biological Properties of Herbicides and Plant Growth Regulators -Cont. - mo3140096

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CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
Acute Oral
Common and
Chemical Designations1
Toxicity,
Dermal
(Cost per Pound; and
Trade Name and
L D50 (mg/kg)
Biological Information and Remarks
Manufacturer2
Toxicity
and Raring
Commercial Formulation
Soil-applied preemergence treatment in woody plants
slightly
Oxadiazon
RONSTAR
> 8,000
and turf for control of certain annual grasses and
toxic
2- tert -butyl-4-(2,4-
CHIPCO
slightly
broadleaf weeds. Do not use on bentgrass, red
toxic
RONSTAR G
dichloro-5-isopropoxy =
phenyl)- ∆ - 1,3,4-oxa =
fescue, centipedigrass, and zoysiagrass turf, or on
Rhone Poulenc
dichondria. It is strongly adsorbed by soil colloids
diazolin-5-one
and organic matter, and leaches little in the soil.
($42.50/lb; granular,
emulsifiable concentrate)
Selective preemergence herbicide for soybeans and
> 5,000
moderately
Oxyfluorfen
GOAL
peanuts; preemergence for rice, deciduous fruit trees,
2-chloro-1-(3-ethoxy-4-
Rohm and Haas
slightly
toxic
citrus, nuts, grapes and horticultural crops. Controls
nitrophenoxy)-4-tri =
toxic
Co.
many broadleaf and grass weeds. Use goggles or face
fluoromethyl) benzene
mask in handling. It is strongly adsorbed on soil and
($33.50/lb; emulsifiable
leaches little. Half-life in soil is 30 to 40 days.
concentrate)
A RESTRICTED HERBICIDE. It is a foliage-
very
Paraquat
150; very
GRAMOXONE
applied contact herbicide that kills all plant tops
1,1'-dimethyl-4,4'-bi =
toxic (if
toxic
I.C.I.
treated. Used noncropland, preplanting, and directed
pyridinium ion
taken in-
(avoid
ORTHO
spray in orchard and ornamental woody plants. It is
($23.50/lb; water-
ternally or
pro-
PARAQUAT
used as a crop desiccant and defoliant. Killing action
inhaled, it
soluble liquid)
Chevron
longed
is very rapid. Should be used with X-77 surfactant
Chemical Co.
causes ir-
contact)
or equivalent. It is tightly bound to soil, and thus is
reversible
inactive in soil.
fibrosis of
lungs)
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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