Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1829-07-03

the character Of Smut and the various pro
po.ed. the writer procceds:-Ed. Ad.
IL the effect OF sleeping is and If the opei-
atoms requires tedious, and In some De ex
pcnsve. tina, ia not the when the s,phs,e OF cop
pei Tor COPS ras or blue v',roi) proposed by NJ r..
edci Provost is made OF, which IL much s,nplcr
and, believe. infanit.e. shall give his me bod H.
a few words:-wc cannot propagate too much his Inn
portant discoveries.
highest degree. all the qualities Of q preventive app-
cable 20 az icuiturc, the author Discovered by fru-
nate accident that copper the one TO be preferred
Having put several hundred Of the seeds of smut into
water, which had been distilled in an alembic of copper
TO his great asonshment he observed that these
iher did not vcgetate at s orvery impcrecty; whilst
o,ner seeds pn' IN ordnary water, terminated as
al Thence he directed his researches to copper and
copperas salts and he obtained from thence The hap.
piest and most satisfactory results.
In order TO a'cersin the extent Of the influence OF
the copper upon the minaton and getson OF
he made use OF plate OF this metal entirely freed
from verdigris, containing surface Of two square
inches He found Ina, after the PLATE had remained
sixty or sixty-two hours in the water the seeds whc
he afterwards placed it, ehsr did no, com. I'D At
all, or came up very III, and produced only
stems on The surface OF the water; at the bottom he
perceived no symptom OF vegetation. But as such a
process would he very nconvenent in practice he d.
rected his attention to the effect of salt. from copper or
blue vitriol, as being the most easily procured The
result Of these experiments is
That smut does not terminate al all in common WI.
ter in which there has been dissolved $50 OOOth part
Of ts weight OF sulphate of copper; the Temperature
nehlS I'VE OF SIN ueH'ees ht the Of this
salt in the proportion OF 600, 000ih, or even 900
ooot part re,ards it percepiiby. And lastly, tina,
solution OF this suphae in WATER in the proportion oi
lO000th part OF its weight, is sufficient to take ON
smut the power OF terminating, when stepped in il on.
ly for an hour or two though washed ime datey al.
forwards
But II was no: enough TO observe the effects of COP:
per- and the sulphae Of that metal upon the permina
ton OF smut placed in water, upon moist substances
was also necessary to try experiments upon n,cc,c
grain, sown in the open hed-this is what NJ. Pre-.
vost undertook with equal success.
Injected grain stepped IN water which had remain.
ed two days IN copper vessel whore il SION
ally stirred about and the copper little rubbed, gave
| onc-si sth OF smut.
Injected Germ, stepped in boiling water In the same
vessel when the water grew cold, gave ones sixth
| smu,
Infected corn well stepped in solution OF sulphate
OF copper, containing This salt in proportion Of tour de-
cdgrdmes TO each heetoiifre, gave 30Oth Of smut
| Injected corn, simply scadei, gave, one fifth OF
| smut.
Infected corn, sown without any preservative gave
= third OF smut.
Sound corn, scwn without any prcservatve, gave
| l50th NUT.
cit ought here to be remarked
bs said been conoundcd ore
sned that the first ought luce much
cond