CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
(Cost per Pound; and
Trade Name and
L D50 (mg/kg)
Biological Information and Remarks
Contact foliage herbicide which rapidly defoliates or
desiccates a wide variety of plant species. It is used
in cotton defoliation, lawn renovation, and general
weed control in noncrop areas, such as around
buildings, near perennial ornamentals, and along
fence rows. Quickly inactivated in the soil.
Postemergence treatments control annual and some
perennial broadleaf weeds. Some annual-grasses are
2-chloro- N -[(4-meth =
also controlled. Spring treatments control wild garlic.
Can be used in noncroplands such as airports,
fencerows, parade ground turf, and storage areas.
carbonyl] benzenesul =
Bahiagrass, bermudagrass, bluegrass, fescue, and
smooth brome are tolerant species. Do nor apply
where runoff water will drain across treated areas to
any body of water, agricultural lands, flower beds,
or where roots of shrubs and trees grow into
contaminated soil. Primary mechanism of action is
inhibition of cell division. Tolerant species metabo-
lize the compound to nonherbicidal metabolites.
Hydrolysis into nonherbicidal compounds is major
form of degradation, followed by normal soil, micro-
bial processes. Half-life in soil is 4 to 6 weeks. Rate
of degradation is increased by high soil temperature,
pH, oxygen level, and moisture.
A chemical name occupying two lines separated by an equal (=) sign would be joined together without any separation if written on one line.
Mention of trade name or company is for information only, and does not constitute an endorsement over other products not mentioned.