Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1905-04-14
TIMELY DIRECTIONS FOR KILLING
INSECTS INJURIOUS To PLANTS
Spraying CAL ndar Of Iowa Agricultural Experiment
Station Tells How to Mix and Apply
Various Poisonous Preparations.

| NSSSSi containing lour or hNe gallons
of hot water. Stake the lime in an
other vessel. The shaking should be
done slowly. otherwise il is apt to be
granular. Pour the copper sulphate So
| luton into the barrel after il has be.
come cooled. Half fill the barrel with
water and stir thoroughly Ii is adj
ViSable TO strain the lime through a
coarse sack or sieve. Never add the
lime until ready to use. Stock solu-
lions of dissolved copper sulphate and
lime may be prepare and kept in sep
arate covered barrels throughout the
/ spraying season. The proportions of
blue stone. lime and water should
be carefully entered.
when and What To AppIy.
For apple scab and leaf spot the
Bordeaux mixture should be applied
Just before the petals open. and sec
ond application made just after the
petals fall and should be again repeat-
ed in Il week or ten days after the
petals have fallen of For the apple
cooling moth the Bordeaux mixture
should be applied just after the petals
fall. and reepated in ten days. For all
apple leaf eating insects the trees
should be sprayed with the arsenite
Of lime solution as soon as they ap-
| pear. For scurfy scale on apple trees
/ the trees should be sprayed with the
kerosene emulsion just after the young
hatch, which is late in May or early in
June
For pear scab leaf spot and leaf
blight, the trees should be sprayed
W a RnrInar,v
the bulbs start and this should he re-
peated just after the blossoms fall. If
foliage is eaten by insects add a guam.
tity of the arsenite of lime mixture to
the second spraying.
For the cherry slug, the trees should
be sprayed with the arsenite of lime
mixture as soon as the slugs appear.
For cherry leaf spot spray with the
Bordeaux mixture.
For shot hole fungus and brown rot
on plum trees, the Bordeaux mixture
should be sprayed on before the bios
SONS appear. and the dose repeated
just after the blossoms have fallen.
and if necessary a third application
should be put on in 10 to 10 days later.
For the current worm. a pest which
has practically destroyed the cur
rant crop in certain districts
for several years, the bushes should be
sprayed with the arsenite of lime solu-
ton when the worms appear, and the
dose repeated if necessary.
For rust on strawberry vines, spray
the plants just after the growth begins
in the spring with the Bordeaux mix
ture; repeat after the blossoms fall.
L Il f,r
For mildew and rot on grape vines
spray with Bordeaux mixture when the
leaves are half grown. and repeat the
application when the fruit has set. For
cabbage worms. sprinkle the plants
with the arsenite seduction as soon as
they appear: repeat every ten days. 1t
must be remembered that arsenic is a
deadly poison, and must under no cir
cumstances be used after the plants
begin to head.
For Potato hugs.
For potato bugs use the arsenite of
lime solution or the Paris green mix
ture as soon as they appear. The
small bug known as the Blisterbeetle
are beneficial rather than harmful, as
they aid in keeping the vines free from
killed unless very abundant.
Rose Bush Pests.
For mildew on rose bushes and orna-
mental vines apply the Bordeaux solu-
ton at the first indication Of disease,
and continue 10 spray with this solu-
ton as long as the disease lasts. For
slugs apply the arsenite Of lime Solu-
ton at intervals OF one week until de-
For plant lice apply the to-
bacco solution at intervals Of one week
until destroyed. Small plants or colo
MES on ends of twigs are best treated
by dipping.
II should be remembered that in all
cases success is dependent upon the
exercise OF proper judgment in max
ing applications. Know the enemy to
be destroyed; know the remedies that
are most effective and finally, apply
hem at the proper season. BE prompt
thorough and persistent knowledge
and good judgment are more necess-
a nj