The East Huron Gazette, 1892-06-16, Page 2AGRICULTURAL.
;spraying Mixtures.
wiser az are already at work on trees and
cultieened cropeand it is time to begin to
fight- or decoy them: A recent circular
issued by the Agricultural Department
with respect to the application of insecti-
cides gives the following as a formula to be
used against tree bugs, plant lice and scale
insects. Kerosene two gallons, water one
gallon, .; immon soap or whale -oil soap one
half pound. For the treatment of the ap-
ple scab it recommends the following to be
applied just as the flowers are opening,
then 12 or 14 days later, and then twice
more at similar intervals : Dissolve four
pounds of copper sulphate in 10 or 12 gal -
ons of water and stir in five pounds of
washing or sal soda ; then add three pints
of strong aqua ammonia ; dilute to 45 gal-
lons. The circular advises that for the
curculio on the plum, cherry, peach, etc.,
two or three applications be made during the
latter part of May for the purpose of de-
s Sroying the adults before they lay their
eggs. Tender -leaved plants, such as melons
and cucumbers, are injured by repeated ap-
plieations of poison ; while plants with
smoother and firmer leaves, such as the
orange, are little affected. Root plants,
such as beets, turnips, radishes, etc., are
but little injured ; whereas foliage plants
show what injury there is at once, and
honey -bees are liable to be killed by the
poison if applied when. the plants are in
bloom. The poison in all cases should be
highly diluted, and following a rain another
application should not be made for several
?