The twice-a-week Twin Falls times. (Twin Falls, Idaho) 1916-1918, 1917-08-16

is already to mix with water, is 81
er cent OF more oil. and will make
"iX,y-saven gallons Of spray in water
at summer strength. It's analysis is
81 per cent petroleum oils, 2 per cent
cresOl, . per cent dry animal soap, /
per cent resin soap, and - per cent
inert ingredients.
To substitute this in the red spider
formulate published in the July 20
and August . issues and called second
and third formulate, use one and one
half gallons above distillate for yell
ros or for plain distillate and without
further soap. IT would be a good
plan to add 10 or II pounds Of Atomic
sulphur put out by the same firm, or
10 pounds Sul-Paste by the Rex peO-
pie of Payette, Idaho, to the 100 gal
Ions Of spray mixture, but this is not
safe if the trees have not been irriga-
ted sufficiently for week before. Be
cause no soap has to be added for
further emulsification, it will combine
well with lead arsenate sprays.
The distillate can not be used
strong enough i'm foliage season to
kill the spider mite eggs. 1t has since
been discovered that a second red
spider or better, brown spider mite is
attacking some of the trees in town,
this mite migrating from the white
clover Of the lawns where it is better
known as the clover spider mite.
In a letter just received from S. w.
Potter, the entOmolOgist Insecticide
expert of the General Chemical COM
pany, San Francisco, Cal, he gives
this warning:
ANY form of finely divided sulphur
applied as a wet spray is strongly
stimulating % apple trees especially,
and where this material is to be used
during the growing season, it is i'm
p|ortant that the first application be
made not later than at the time of
the calyX spray in order to start the
sulphur stimulation early and prevent
possible over-stimulatiOn later in the
season when the weather is hot and
injury likely to result. Furthermore,
during exceeding hot spells any form
OF sulphur is, of course, likely to in
crease greatly sun-burn injury to the
fruit.
Our experience so far indicates
that growers must be educated to the
earlier spraying for the control of
red spiders and mites if success is to
be obtained without any injury. Ap-
pie trees will stand far stronger doses
OF sulphur early in the season than is
the case during midsummer: fur
thermore, the mites are more easily
killed at that time and the main ad-
vantage from these earlier applica-
tons is that the mites are controlled
or practically eliminated before the
injury to the trees amounts to any
loss.
Atomic sulphur is not i~nstantane-
GUS in its action. This is, it will not
Immediately kill the spiders, but its
effects are lasting and results show
much better five to seven days after
application than at any other time.
While it will not kill the eggs. it will
remain sufficiently active to kill the
young spiders Matching from the eggs
for a period of eight to twelve DAYS
after the application. F~urthermire.
even thought it may not Immediately
Kill the adult spiders present, it does
seem to discourage egg-laying to some
extent. And we have numerous cases
where a single application, properly
applied in clean, cultivated orchards.
each year, has been successful. If
clover crops are growing the orchard
or s%hrubbery or wild plants are close
ly adjacent on which red spiders feed.
reintestation Of course, may happen
at any time during the season.
If, in your opinion, there would be
any real need for these preparations
in future, we shall gladly make ar
rangements another season to have a
stock on hand" In other words, if
Twin Falls expects to get on the an
pie map of the United States, it will
be necessary for the local
to show that they intend to consume
oil sprays in commercial quantities be-
fore this or any other large insecticide
company will take any particular in
terest in your local troubles. Further.
the local dealers are not going to pri-
vate expense and then to be stucl,
with quantities of these insecticides
carried in stock locally, unless thew
have the solid backing of the grow
ers themselves. The growers must he
educated themselves in these matters
and use more head, not of the whilom
Spectator sort, to get the confidence
Of the local dealer or even the big
manufacturers will be turning a deaf
ear in their time of trouble. Twin
Falls has lever had what l call a pow
erful marketing organization. It is
too new and the fruit crop too much
in embryo. But its speedy growth
calls for speedier organization. There
are several helpers in the city, com
mercial, cooperative as the Farm
Bureau, and private. VIII you use
them or take a slump?"
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