Quantcast Chemical, Physical, and Biological Properties of Herbicides and Plant Growth Regulators -Cont. - mo3140095

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CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
Acute Oral
Common and
Chemical Designations1
Toxicity,
Trade Name and
Dermal
(Cost per Pound; and
L D50 (mg/kg)
Manufacturer2
Biological Information and Remarks
and Rating
Toxicity
Commercial Formulation
Soil-applied preemergence herbicide for control of
Napropamide
DEVRINOL
> 5,000
slightly
annual grass weeds and many broadleaf weeds in
12-(a-naphthoxy)- N,N -
slightly
toxic
Stauffer
diethylpropionamide
toxic
certain fruit and nut crops, many vegetable crops,
and ornamental crops. It is rapidly absorbed by roots
($16.75/lb; wettable
powder)
and translocated upwards throughout the plant. It
inhibits the development and growth of roots of
annual grass plants. It resists leaching in soil, and is
slowly broken down by soil microbes. It photode-
composes about 50 percent in 4 days on the soil
surface. When incorporated in soil the half-life is 8
to 12 weeks.
A soil-applied, preemergence herbicide for control of
RYZELAN
> 10,000
moderately
Oryzalin
3,5-dinitro- N4,N4 -
slightly
toxic
annual grasses and some broadleaf weeds in soy-
SURFLAN
toxic
beans, nonbearing trees, vineyards, ornamental trees,
dipropylsulfanilamide
Elanco
($14.70/lb; aqueous
shrubs, flowers and noncropland areas. It is safe to
use around guard rails, fence lines, parking lots, and
suspension, wettable
other structures adjacent to grass turf. Can be
powder)
advantageously combined with paraquat or gly-
phosate, and used as a directed spray for such areas.
It does not volatilize from soil surfaces. Oryzalin
leaches to a limited extent. It is degraded microbially
in the soil. It usually does not persist for more than
one season.
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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