AFM 91-19 / TM 5-629 / NAVFAC MO-314
24 May 1989
under the treated area are likely to be injured.
Desirable trees growing adjacent to areas treated
allow the increase of other desirable plants, such
with soil sterilants, or near ponds treated with
as in the selective control of brush in rights-of-
some aquatic herbicides, are often injured.
Avoid treating such areas with soil sterilants. Do
The control of submersed weeds in ponds and
not drain or flush equipment where leaching to
streams can be beneficial to fish populations.
the roots of desirable plants can occur.
of the chemical per million parts of water, vary
widely with age, size, and species of fish.
1-13. Fish and Wildlife. Applications of herbi-
cides may have primary and secondary effects
ers should be consulted to determine appropriate
uses and precautions. Management of fish and
a. Primary effects are from direct poisoning.
There are a few herbicides, such as the dinitros,
and Wildlife Manual (TM 5-633, AFM 126-4,
that can directly poison animals; and copper
NAVFAC MO 100.3).
sulphate can poison fish and fish food organ-
isms, A few herbicides are very toxic to fish; but
might endanger fish and wildlife, you should
some, such as 2,4-D, can be used safely to
consult federal or state fish and wildlife agencies
control aquatic weeds. In general, most injury
results from excessive application rates and spill-
gered or threatened species will be affected. Also
check on local water quality regulations regard-
b. Secondary effects of herbicides on wildlife
ing pesticide use.
include animal poisoning due to changes in
1-14. Damage to Equipment.
chemical composition of plants, and effects on
ing and cleaning of equipment with water and a
organisms in the food chain. All herbicides have
detergent is sufficient protection against most
life habitat by changing the species in the plant
the metal parts of spraying equipment; and oils
and solvents can injure rubber seals, gaskets,
purchase equipment with noncorrosive metals or
but herbicides can also be useful in manage-
coat the metal parts of the equipment with
ment. Openings in wooded areas, such as clear-
or undercoating before
use. Teflon and neoprene will resist oils and
wildlife. Herbicides can be used to induce
sprouting of browse species for deer. Herbicides