Los Angeles herald., 1891-01-14

SSs-aS PScOo Va oil 1uTtb LuuCll DIclcI
The fall DR.. Wall thinks the best time
OF the year to use the gas. Tustin is
badly infested with black scale. This
pest does not kill the tree, but it renders
the fruit foul, it arrests its development,
and worthless. The gas, if applied in
the fall, kills the black scale as well as
the red, and leaves the fruit the full
strength OF the tree to mature it to the
greatest perfection. The cleaning off
OF the black scale of itself would pay for
all the expense of the gas.
The trees in this orchard are 13 wears
old. at the age OF 10 years they yielded
ten boxes to the tree in many instances.
and averaged six boxes. At this
time there are many trees bearing
six to eight boxes, and the orchard
will average three to four in spite of the
scale, and thanks to the gas. There
are navels. Mediterranean sweets and
konahs. The latter are fine orange.
Two years ago, DIR. Wall gave the whole
orchard up for lost. After they came
well into bearing the oranges paid $1,000
a crop two years; then fell off to $4,000,
then to $4,000. This year $4,000 has
been refused for the crop. 1t cost 80
cents a tree for the gas daring the past
year, the treatment being applied
twice. 1t surely pays. Next year this
splendid property will be quite as val
liable as ever it was
II. X. SHOWS LEMONS.
The next inspection was on the lemon
trees of Fl. X. Snow, also of Tustin: Mr..
Snow is another grower who has de-
voted much time and money
with inexhaustible patience to
the destruction of the scale
pests. He too tried all the WASHES and
not only weighed them, but sprayed
with them, and found them wanting
wanting in power to kill all the bugs on
tree. He sprayed with the best
washes four times in year without ex-
tirpating the red scale. He tried the
gas treatment once and pretty nearly
killed every pest on his trees. The or
chard inspected is oflemons and diligent
search failed to find live scale except
ing on onestree. The old fruit was all
covered with the dead bugs, but the
young fruit was absolutely free OF bugs.
He had just finished going over the
trees the second time. In the last in
stance he used six ounces of cyonide to
the tree. Now he thinks the best sea-
son to use the gas. The tree
is dormant and there is no
tender growth to be affected by the
gas. The bugs, too, are possessed of less
vitality and more easily succumb to the
poison. He leaves the tent over the tree
thirty minutes. In the first trial he
used only 81 ounces to the tree, and
left the tent over the tree fifteen min
utes. 1t is not enough gas nor enough
time. he bug comes out alive after
this treatment. Once year Is enough
to gas if the work is we'll done. Two
years ago Mr.. Snow was about to cut
down his trees. Now they are loaded
with fruit. He fertilizes with sheep ma
nure. The cost of treating his trees
twice was forty-five cents each. Three
men do for rig, and can run four to six
tents, and do 20 to 100 trees in a
night. These men are paid 20
to 25 cents an hour, and the foreman 30
cents. In the orange orchard trees were
inspected where Mr.. Snow said there were
last year not less than 1000 bugs on each
orange. This year the fruit is perfectly
clean, with rarely 8! c:::ee.
&. W. PREBLE's PLACE.
Here the red scale was first discovered
on the trees four or five years ago. All
the lemon trees except one were killed
by the pest. He got gas rig at an ex-
pense Of 1924 and has used it. He
treated the trees in July and will soon
do SO again. He is killing the scale
wholesale.
r. b. GUTHRIE's.
Mr.. Guthrie has just gassed his trees
the second time. The first application
was last February. He used 21s ounces
to the tree, applying for Is minutes. In
the fall he went over the trees again,
using five to six ounces and applying so
minutes. One tree he left the tent over
all night. 1t was badly infected. Yes
terday there was not a scale on it. It
takes some care not to burn the
trees with the gas. Various devices are
used to prevent this. In the first place
all the gassing is done at night. Some
say the light after the gas burns the
tree. Others say it is the heat OF the
sun added to that OF the gas. Still
others contend that the tree is not
burned at night because of the large
amount of carbonic acid gas given off
by the leaves at that time. Some hang
a cover over the vessel in which the
chemicals are placed, but sew
eral inches above the mouth.
Others. use wet gunny sack
in the same way. Mr.. Guthrie says the
trees will not burn if they are wet or
even damp with fog. Experiments will
be made to test these theories. The
trees will be sprinkled with water, and
carbonic acid gas will be generated
under the tent. If the work could be
done in daylight it would cost less and
be better DONE.
A. II. ALwARD.
Mr.. Award was found busily engaged
in his orchard. He is an ardent advo-
cate Of the gas treatment, and claims
that he has completely solved the ques-
ton of dealing with scale pests.
JOEL b. PARKER's.
Mr.. Parker was not at home. His
orchard was, and SO We're the bugs.
This orchard contains thirty or forty
acres of what once were fine trees. They
are now nearly desolation. But they
are too valuable to neglect. The success
of others has encouraged Mr.. Parker to
take hold of the matter. He has three
outfits, the best seen, working six tanks
as fast as possible OH the trees. Lack Of