Ceredo advance. [volume] (Ceredo, W. Va.) 1885-1939, 1914-03-18
DORMANT SPRAYING NECESSARY
FOR WEST VIRGINIA ORCHARDS
Hardly An Orchard Free From San Jose ScaIe-The
Sprays To Use, Their Preparation
and Application
tE Auche College Agriculture Virginia Unvers.ey

There is no doubt but that dormant
spraying is necessary in practically
every orchard Of West Virginia. The
San Jose scale has become distributed
so thoroughly over all of the state and
mu!tiplies so rapidly in a single season
that the fruit growers must apply some
strong corrosive spray each year be-
lore the leaf buds open If they hone
TO keep this dangerous insect under
control and maintain the health os
their trees. Although the San Jose
scale is the main insect combated by
the dormant sprays, the blister mite.
another insect is also controlled by
these sprays. Peach leaf curl a fun
gus disease. is also controlled. and
many of the tiny eggs of the green
aphis are destroyed at this time.
The Sprays To Use.
While some of the miscible oils.
such as Scalecide, are used with good
results against the scales, and Bor.
deauX Mixture or a strong copper sui
phate solution will prevent the peach
leaf curl If applied before the buds
Dreak, still we have a spray which
Will do the work of both of these at
once. In addition it is cheaper. easier
10 make, just as easy to apply. and
often is more effective. This last sprav
is the Lime-Sulphur Solution. Large
fruit growers can well afford to make
this solution at home. but 1t will prob
ably pay the small fruit grower with
only few trees to buy the CONNER
clal form, rather than to spend the
time and money in getting the equip
ment necessary for making the solu
tiop,
Preparation of the Solution.
In making the concentrated spray.
generally 50-gallon lots are made at
a time; this requires 40 lbs. of fresh
lump lime 5000 pure) and so lbs of
sulphur -four, or We have the formula
40 lbs. lime. so lbs sulphur and 80 gal
Ions of water. The spray can be made
IN an iron kettle, with an open fire
beneath 1t, or can be made with live
steam, If this Is available. and should
then be made in a wooden tank or bar
rel. II made in a kettle. the kettle
should hold about 60 gallons. so that
the full fomula can easily be made
start the lime shaking with about 8 or
10 gallons of hot water adding the
Jumps of lime slowly, so that the boil
ing VIII not take place too strongly
In the meantime make the sulphur m
into thin paste with some water and
then gradually add this TO the slakipe,
lime, adding the mixture often until
the lime is completely s1aked AdJ
water up to so gallons and boil gently
for one hour, stirring the mixture from
time TO time. Keep the amount nm tn
90 gallons by adding water occasional
ly TO replenish that which evaporates
during the boiling process. The lime
may be bought from any good lime
company. if ii is guaranteed goo, pure
and is in the fresh-burned. lump con
dition. The sulphur can be bought
from various sulphur companies. such
as Battelle & Renwfck. 1865 Front
street, New York City. and the Bergon.
port Sulphur Works, 100 Williams
street New York City. This will cost
about Zoo per hundred pounds I'm
Guiding freight The materials for a
barrel Of the solution would thus cost
$3.50. After the Lime-Sulphur Solu-
ton rs made, which can be done dur
ing the winter, st should then be cork.
ed MP tight until the time for using is
a. hand
Testing and Dnuting the Solution.
As this solution is now fin very
concentrated FORM it must first be