“Copper sulphate and germination : treatment of seed with copper sulphate to prevent the attacks of fungi”
The protest of treating
seed with some compound before planting is fourfold: (1) To hurry germination,
(2) to outfit sustenance for the youthful idant, (3) to shield the seed from
creepy crawly and other creature i^ests, what's more, (4) to keep the assaults
of organisms. Examinations have been con- ducted with more prominent or less
accomplishment in every one of these lines, however it is just with the last
that this paper is concerned.
To
keep the assaults of organisms numerous sorts of seed treatment have been
attempted. These medicines might be characterized under two heads — treatment
with synthetic concoctions and treatment with warm. It has for some time
been
realized
that where the spores of a growth are available on seed when sown the growth
can taint numerous plants. The spores of numerous mucks grow all the while with
the seed, and discovering passage into the sensitive tissues of the youthful
plant, the organism is protected from all outer medications, and its essence
stays unsuspected until about the season of the development of the plant, when
it returns to contaminate the seed of the host. Thusly the existence cycles of
numerous parasitic organisms are passed; thus, if the develojiment of the plant
could somehow be rushed or the development of the spores of the growth impeded
until the youthful plants have made even a little measure of development, they
would be for all intents and purposes secure from contamination, or if the
spores holding fast to the seed could be pulverized without harming the seed
itself all risk from parasites would be evacuated.
As
has been specified, a few strategies for treatment have been dis- secured that
are pretty much successful in keeping the filth of oats, wheat, grain, and so
forth. On account of oat muck (UstiJago arence (Pers.) Jensen), and
additionally associated species on different hosts, the best methods for
aversion is that known as the high temp water treatment, discovered by J. L.
Jensen,^ of Denmark. It comprises in treating the seed oats for fifteen minutes
with water warmed to a temperature of 132-to 1350 F. This treatment slaughters
all the muck spores without in any capacity harming the essentialness of the
seed.
As
has for quite some time been known, the nearness of a portion of the salts of
copper, indeed, even in weaken arrangements, will keep the germination of the
spores of organisms, a reality to which the productivity of a portion of our
most vital fun- gicides is expected. Of the salts of co^Dper, maybe the best is
the sulfate, thus widely is this utilized its utilization is presently nearly
widespread. Albeit a few authors assert that it is more harmful than helpful,
yet, when considered from a financial viewpoint, the straightforwardness with
which it can be connected is no uncertainty incredibly to support its.
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