The Salt Lake herald. [volume] (Salt Lake City [Utah]) 1870-1909, 1897-04-09

inspector finding nursery stock within
this state whether imported or home
grown, shall carefully examine such
STOCK as to the presence of INJURIOUS
insects or disease. In the event of any
such insects or diseases being found
such nursery stock shall be disinfected
as ordered b. such county inspector
before being sold or offered for sale or
shipped from such nursery grounds.
FORMULAE AS NOTED ABOVE.
No. l. Paris Green-Mix one pound
OF Paris green with an equal amount
of flour; add sufficient water to form
a thick paste, stirring until all Jumps
are mixed; dilute in 200 gallons of
water; add four pounds of lime, slaked
10 thin paste; stir thoroughly and
strain before using.
No. 2. Bordeaux Mixture.-Finely pull
Verlze six pounds of copper sulphate
and dissolve it in two gallons of hot
water; add to this fourteen gallons of
water. Stake four pounds of fresh lime
into a thin paste; stir until cool and
then thoroughly mix the copper sui
phate solution with the lime: to the
mixture add water to made 40 gallons.
Strain the mixture carefully. Double
the above strength of this solution may
be used without injury to the foliage,
and the mixture of copper and lime in
the form of thin paste makes an eff
fective wash for the trunks of old trees.
No 3. Kerosene Emulsion.-Dissolve
one-half pound of hard soap (do not
use resin soaD) in one gallon of hot
water; while still hot add two gallons
of kerosene; stir violently until the
mixture takes on the appearance of
whipped cream. Dilute with ten times
as much water. SKINNED milk NAV be
used as a substitute for the soap in
making the emulsion, using one gallon
of hot milk TO two gallons of kerosene,
stirring the same as when soap is used:
add water as above.
No. 4. Resin Wash.-Resin, 20 pounds;
crude caustic soda C1S per cent?, five
pounds: fish oil, two and one-half
pints: water to make 100 gallons.
Ordinary commercial resin is used,
and the caustic soda is that put up for
soap establishments in large 200 pound
drums. Smaller quantities may be OBJ
tanned at soap factories, or the granu-
lated caustic soda (9S per cent used)
three and One-half pounds of the latter
being the equivalent of five pounds of
the former. Place these substances
with the oil in a kettle with water to
cover them to a depth of three or four
inches. Boil for one or two hours. max
ing occasional additions of water. or
until the compound resembles very
black coffee. Dilute to one third the
final bulk with hot water or with cold
water added slowly over the fire, max
ing a stock mixture, to be diluted to
the full amount as used. When spray
ing the mixture should be perfectly
fluid. without sediment, and should any
appear in the stock mixture relocating
should be resorted to-
AS a winter wash for scale insects.
and particularly for the more re-
sistant San Jose scale (Aspidiotus per-
niciosus), stronger washes are neces-
sary. In southern California. for this
latter insect, the equivalent of a dilu-
ton one-third less, or Sc % gallons in
stead of 100, has been giving very good
satisfactin.
NOTES AND SUGGESTIONS.
In the preparation of the Bordeaux
mixture care should be observed to use
either an earthen or wooden vessel.
The mixture will ruin a vessel of metal.
Satisfactory results in spraying de-
pend upon the careful performance of
the work. Carelessness will result in
dissatisfaction. A good pump and
plenty of hose, extension pipe and fine
nozzle are essentials.
The most experienced and successful
syrayers in Utah are unanimous in the
opinion that the spraying should be con-
tinued throughout the season, or at
least I'D to Aug. %.
Cleanliness is the first step toward
orchard disinfection. All diseased trees
are sources of great production of
worms and fungus. Sunlight is one of
the best disinfectants
In order to catch all early insects it
is recommended that all fruit trees be
sprayed once with a combination of