The Davenport gazette. [volume] (Davenport, Scott Co., Iowa) 1841-185?, 1848-10-05
THE POTATO DISEASE.

THE POTATO DISEASE
The recent Researches Of Baron Leibig
the eminent German chemist, Oh the ",no-
lions Of the juices through the animal BODY"
and correspondingly, a series OF expert
mcnls Of the greatest accuracy, connected
with the Transportation Of plants, has we be-.
liese, discovered the causes u nd suggested
apreven,ive to the future ravages Of the
potato disease. The process Of this discov-
cry occurs as well in tho animal as in the
vegetable kingdom. "By the evaporation Of
water from the surface ofplants, a vacuum
arises within them in consequence Of which
water aud matters soluble in water arc
driven inwards, and raised from withou,
with facility, and this external pressure.
along with capillary attraction is The chief
cause Of the motion aud distribution Of the
Juices. Any cause that will suddenly
check the Transportation Of the surfacc Of
plants, aud especially these Of a Delicate
surface, or orca nization, will DESTROY Ut dis
case them. TO such cause, I.eibir refers
the potatoe disease which caused such vide
spread famine two years ago. lie remarks
In the districts which were most visited by
tho so-called posatoc disease in 1916,
damp, cold, rniny weather. followed a &c.
ries Of very hot days, and in lS47, cold and
rain come on, after continued draught, in
in the beginning Of September. exactly at
the period Of the mos. lnxuriant growth Of
the potatoes. "--pp. $3.50.
"'The cnuse oi the disease is tho same
which in Spring aud Autumn, cxcitcs in
ucnzn,-thnt H., the dseasc is the effect Of
tho temperature, md hygro,nctric state Of
the atmosphere, by which. in consequence
OF the disturbance Of the normal (hcaIthy)
Transportation, n check is suddenly, or for a
considerable time, given 10 the motion ol
OF the fluid, which is one chief condition ii
life, and which thus becomes insufficient
for tho purposes ot health, or more hur,ful
TO the individuul."-pp. $3.50.
"Thc fungi which have been observed on
the potaioc plants, and tho putriinction OF
tho tnbers, are not the signs Of disease,
but the consequences Of the death of tho
pinn,."--pp. ~.
Tint the atmosphere exercises marked
influence in the Transportation Of plants hns
long been admitted, and is we'll illustrated
in the death, or in mnny cases. pcrma ncn.
injury Of the hop which IL very tcnde,
pisnt.
We come now to the most importan nj
part, viz: plan founded on these consid.
eratons, propounded by DR.. Klolszch, keep
er Of the Royal licrbarcutn, at Berlin. Il
is contained in the appendix to this work
aud we shall give il entire.
"Ihe chief points to 10 attended e
with view TO the attainment Of the objec,
--namsly the increase Of the tubers
are
~. TO increase the power in the roots
~. To check tho transformation thai
occurs in the lcuf
I'VE obtain both these ends simultaneous
ly, il, in the fifth, sixth and seventh
week after setting the tul,crs, and in the
fourth and fifth week after planting on,
germs furnished with roots, or nj q time
when the plants reach a heigh, Of six OF
niue inches above the soil. we pinch of the
extreme points ofthe branches or twigs Il
the extent Of half nm inch downwards, md
repeat this ON every branch or twig in the
tenth or eleventh week, no matter at what
time Of day.'--p. lO4.
To this note, 10, however added
"Any one would be bitterly disappointed
who, on the principle that there Cannot be
to much ofa good thing should take of
moro than il recommended. "--p. lO4.
DR.. KloIszch offered to make known bis
method for remuneration Of $500, it,
after three yenrs experience j. should prove
cffcacious. Tho Prussian College Of Ru.
raj Economy, having reported favornbiy Of
the plan, such an agreement was ratified BY
the Minister Of the interior, and the meth
cd hos been made public accordingly. The
cost Of Il 10 said not 10 exceed 80 cents pc,
acre 10 Germany.
Il is very desirable That tho method
should be tried extensively, and for this
reason we bsyo presented tho plan entire
for the bencfi, of our agricultural friends.
'Cmrles,' said father to his son, while
working in saw mill, what posses
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