Dfef’ 2?TT9!72
Researchers Probe
Alternate Methods
For Insect Control
Studies supporting new pest
management programs that
minimize the need for con
ventional chemical controls will
be undertaken under research
agreements between the U.S.
Department of Agriculture
(USD A) and eight State
agricultural experiment stations.
The agreements, funded by
USDA’s Agricultural Research
Service (ARS), will provide data
for a broad, continuing program
to protect the environment and to
improve the efficiency of
agricultural production and
marketing.
Scientists at the Texas
Agricultural Experiment Station,
College Station, will determine
the economic threshold—the
specific point of damage at which
significant financial losses being
to occur—for cotton fleahoppers,
bollworms and tobacco bud
worms under various cotton
growing conditions. In related
studies, they will evaluate the
effects of insecticides on natural
enemies of major cotton pests as
well as the effects of insect
parasites, early stalk destruction
and plant resistance in reducing
management program that will
maximize producer profits and
minimize the amount of in
secticide needed to protect
insect damage. Results ot
this research wUI be used to deve
lop a pest management program
that will maximize producer pro
fits and minimize the amount of
insecticide needed to protect
cotton. ARS will provide $175,000
under 1-year cooperative
agreement.
Under another agreement with
similar objectives, scientists at
the Mississippi Agricultural
Experiment Station, State
College, will determine the
economic threshold of the tar
nished plant bug on cotton, as
well as the pest’s relationship
with other host plants at different
times of the year. In addition, the
boll weevil’s synthetic sex at
tractant, grandlure, will be
evaluated for its effectiveness in
reducing population of over
wintering boll weevils. In a
coordinated program including
the grandlure tests, scientists
will evaluate different in
secticidal and chopping systems
for their effects on pest control.
Insect disease agents and lines of
cotton resistant to or tolerant of
insect feeding will also be
studied. ARS will provide $125,000
under a 1-year cooperative
agreement for this work.
The economic threshold of
several insects pests of soybeans
will be determined in another
pest management project at the
Louisiana Agricultural Ex
pedient Station, Baton Rouge.
Researchers there will develop
methods for obtaining
representative samples of both
beneficial and undesirable in
sects as well as samples of the
damage to soybeans caused by
various numbers of insects on the
plants. ARS will provide $54,000
undar an 18-month cooperative
agreement.
The economic threshold of the
bean leaf beetle and other leaf
feeding insects on soybeans will
be determined in studies by the
Illinois Agricultural Experiment
Station, Urbana. In addition,
plant resistance and other
principles of pest management
on soybeans will be studied. ARS
will provide $22,500 under an 18-
month grant.
Economic thresholds of injury
by the alfalfa weevil will be
determined and the effectiveness
of various alternative pest
management techniques will be
studied under an 18-month grant
awarded to the Kentucky
Agricultural Experiment Station,
Lexington. ARS will provide
$50,000 for this research.
Development of alfalfa
varieties resistant to several
insect pests and plant diseases
will be undertaken at the
Nebraska Agricultural Ex
periment Station, Lincoln. ARS
will provide $50,000 for this 18-
month cooperative agreement.
The potential for use of
beneficial mites that prey upon
destructive spider mites in apple
orchards will be studied at the
Michigan Agricultural Ex
periment Station, East Lansing.
Scientists will also evaluate the
feasibility of introducing
resistance to organophosphate
type insecticides into the
beneficial mites. ARS will
provide $37,800 for this 3-year
cooperative agreement.
Biological control of the
Carribbean fruit fly will be
studied under a 3-year
cooperative agreement with the
Florida Agricultural Experiment
Stations, Gainesville. Scientists
will study efficient ways to rear
Opius longicandatus, a wasp
parasite of this pest of sub
tropical fruit in Florida. They
will determine the potential for
controlling the fly by releasing
large numbers of the parasite in
infested areas.
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ORTHO
P. L ROHRER & BRO., INC.
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according to Leness Hall,
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Hall explained, “For
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Contest details are available
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ifte OkMim&t,
“The tax collector tells
you what to do with the
money you have already
done something with. ,,
SMOKETOWN, PA.
Phone Lane. 397-3539