Forest City press. (Forest City, Potter County, D.T. [S.D.]) 1883-19??, 1906-12-06

is strong enough To kill without INJURY
To the tree. All parts of the tree can be
reached, which nio be done when
they are in foliage. The amount of ms
secticide required is very much less
Than in summer.
l. ins.cticidc most commonly used
is kerosene emulsion. This is II mix
lure OF kerosene and waite. accom-
plisilet through the use OF soap
made according To the following
formula.
kerosene gal,
"ator e. ! gal
Dissolve The soap IN boiling water
and while still boiling remove from the
fire and add the kerosene. Then with
the force pump pump the liquid back
ON Itself for five or ten minutes until
the mixture assumes Il creamy consist
eIcy and no free oil rises tn the sur
face when the emulsion is permitted to
stand Il few minutes. This makes the
stock solution. If the oil refuses To
emulsify after considerable agitation.
the iniXturc may be put over the fire
and warmed somewhat. II this is done.
great care must he taken that the oil
does no! boil owe or serious results
may follow. If the soap is first dis
solved in two gallons of water the re-
sulting mixture VIII be warmer and
more apt To emuisify readily.
COMMON laundry soa is mos. readily
obtained. but any brand will answer
Whnle-oil soap win do equally we'll. If
the water is hard or alkalied II will be
necessary To use Il larger portion of
soap. OF to treat the water in a way to
soften ii. Soft naptha saa2 - sold by
which Il good emulsion may be-
made. cold or by only slightly
warming the water. it - nee
essary To use 30 per cent. more OF
the soap when used I'm this way. This
is d good method where }.r.sye quantities.
of the emulsion are to be used and the
task of heating the wat.- Is Il serious
problem. .
For use on This scale :he original
stock solution must be i!l,.,1d until.
there are -four gallons of water to every
gallon of kerosene. That is. the orig
inal stock solution given ahovc Will
make ten gallons of ei.,. N:,n S.:..y 80.
spray on tne .Sa-s.
The application is made T.. >.-o ut a.
spray apparatus using a nat misty
SPRAY. h nature of the :.taipment
Will depend largely on ia arnoant OF
work TO be done. For ~ few trees a
small bucket pump will probably bn all
h Is required. In applying the emul-
sion. the secret of success ~ I'm the
~thoroushness OF the work. st will be
necessary to go over each limb from
TWO sides and beneath. and spray until
the emulsion dripS. After this the tree
should be examined and all the missed
spots retoucied.
Since the infection is not always suf-
nclently severe to require treatment. it,
will be necessary to make an inspection
before he task il undertaken. In parks
and large grounds IT. is often wise to
select those trees or ROT which bear
a great many of the insects and permit
natures remedies 10 take care of the
rest.
SuInmer Observation-Disclosures the
pest is so abundant that a summel.
treatment is desirable. When this la
done. the emulsion must be used much
weaker than In winter or serious injury
will be done to the foliage. The best
proportion Is probably one gallon of
kerosene in fifteen OF water. In a very
few days after the newly Matched
larvae have settled on the leaves they,
become covered with a scale and are SO
protected that this strength VIII not
XIII them. Since the eggs hatch most
~abundantly during june and .1ly, ID
will be necessary to make more than
one spraying in order to catch the.
young while they are susceptible. TO
do thorough work II will he well to be
gin bou the middle of June n con
tinue The applications al intervals OF
about two weeks dag July.
In cases there the umbe OF trees
;a small OF the iiisects aTe on Virginia
creeper or grape. the; nay be treated
as soon as the cottony masses show
themselves. by trimming out twigs n
branches. where such an operation will
not mar the beauty of the plant. and
thoroughly soaking the remaining
masses with kerosene emulsion which is
onc-fourth kerosene. This emulsion
may be applied with u brush or sponge
and must. OF course. be kept from The
foliage. which il viii destroy.
fuller but more technical account
Is given in bulletin ZIG of the regular
} series.