Quantcast Chemical, Physical, and Biological Properties of Herbicides and Plant Growth Regulators -Cont. - mo3140089

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CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
Common and
Acute Oral
Chemical Designations1
Toxicity,
(Cost per Pound; and
Trade Name and
Dermal
L D50 (mg/kg)
Manufacturer2
Biological Information and Remarks
Commercial Formulation
and Rating
Toxicity
A highly selective, postemergence grass killer. It will
Fluazifop
FUSILADE
moderately
3,328
kill both annual and perennial grasses with little or
toxic
()-2-[4-[[5-(trifluoro =
moderately
I.C.I. Americas
methyl)-2-pyridinyl]oxy]
no injury to broadleaf plants. Nonionic surfactant or
Inc.
toxic
crop oil concentrate is recommended to be used with
phenoxylpropanoic acid
($74.75/lb; water-miscible
the water carrier. Fluazifop is quickly absorbed
through the leaf surface, and rain falling within 1
liquid)
hour after application reduces effectiveness only
slightly. All broadleaf crops tested to date are
tolerant. Fluazifop is rapidly degraded in moist soil,
with a half-life of less than a week. The degree of
residual activity depends on soil characteristics and
rainfall. Susceptible rotational crops can be planted
60 days after treatment.
Fosamine
A late summer to fall foliage-applied herbicide for
slightly
KRENITE
1,690
control of woody plants. Add a nonionic surfactant
ethyl hydrogen
DuPont
moderately
toxic
(aminocarbonyl) =
to the spray mixture. It is somewhat corrosive to
toxic
phosphonate
brass or copper sprayer parts. Compound is ab-
($10.00/lb; water-
sorbed by foliage, stems, and buds of deciduous
plants; with little or no apparent effect until the
miscible liquid)
following spring, when bud development is either
prevented or severely limited to produce miniature,
spindly leaves. Some plants, such as bindweed and
pines, may show response soon after treatment.
Susceptible woody plants fail to refoliate, and subse-
quently die. Fosamine is rapidly decomposed by soil
microorganisms and has a half-life in soil of about 1
week.
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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