The St. Charles herald. [volume] (Hahnville, La.) 1873-1993, 1917-09-29
TIE POTATO SCbD IS
not HARD TO CONTROL
Crop Rotation. Clean Fertilizer ana
Treatment OF Seed Are GfeS'
tive Measures

Among the troubles with which the
fsrower of Irish potatoes has fo cor
tend is the disease commonly known
~ potato scab. This disease affects
the t,ibers themselves, and not only
makes the potatoes unsightly but de-
er4Hsas the yield.
The potato scab IS not a dlflicnic
disease 10 control. and en- expenditure
of few cents and few hours time
previoue to planting the seed viii
n,acticallv make certain that the crop
will be free Of this disease. In order
to accomplish this, throe things must
be consideyst,
q F..1.;ce Crop Rotation. Pota-
toes should not be grown In field
! that produced a crop Of scabby pota-
! toes the previous year. In some sec
| tons Of the country the disease Will
I've over fora one year ia the next IN
! the soil. 70 avoid possible Infection
/ from ne soil it is always best to 20:
tate the crors. After field has grown
!. ,otsttes for one year. it should he
! ,.anttd id otlrer crops for a couple 'of
years until any Of the scab infection.
that r7ay have been present in the
tseti Ives had sufficient rime to be
/. killed. ,-..,s j.:
! icy To Not Use infected Fertilizer.
j H-4ometimes happens that when a
lxgrorcr has scabby potatoes he feeds
them to his stock. " Many OF the po-
Itatecs Kill hecoale mixed with the ma
nr=n ard .'ater find tnetr way back
10 the fields. II potatoes are planted
on lard on which this manure has
i.hocn spread. 4 diseased crop is very
lo,v . 40 ,Ae-Tosult. Only fertiliz-
7r Should re, used that is known to
nc free 81 arv affection.
f3l Treat All nctetoes With For
s.,a,foftvce 73rorc Planting. Pf16
s.r.rt.rt GORGE OF Infection comes
7,r.-, he seea t:1zt Is used for piSnt-
M -Ia disease remains alive in the
scat.hv srl.@ ~ the tubors, and consc-
cuontlv If scabby potatoes are used
FIR r.arting without treatment, 1t is
r,crc than likely that a scabby crop
,.oi;t dcvvlcp. A large part Of the seed
s3.l n this state are more or less AT
ctad with the .scab disease. 1r a
plumber Of Instances that have come
| II on. attention. potatoes have been
slipped mere for planting that were
, Sc badly affected With the scab th2'
| thew would not have been saiable fol
eating purposes. It IS probably i'm
r9s2ihla 10 buy SEED and be absolutely
sure that no scab is present, but it 10
possible. to buy seed that do not HAYS
~ excessive amount of the disease.
IF only a small amount OF scab 81
i present on potatoes II can be largely
reroy5 bv treating them with for
r,2lGaayde (fcrNalin) solution. 1T Il
\ always hest TO give seed potatoes THU
treatment whether any 'sceb is visible
4 or rot. as a small amount Of dHie- dis
ease is likely to be Overlooked. 'Th'
formaldehyda ear .be oatRapea at al
!, most any drug store. 81 nan ,usualh
he obtained in scaled pound :ho+hies a
"a ,EeEv moderate cost. It should b
.es,aranteed to contain from 81 per car
4 TO 40 .ner cent e.fornaliu. The &C
;Iutien to be used in treating the ss
tatoes ia made by mixing one pint q
the commercial Sormaldehvde with 8
gallons of water:-C.'W. Edgerton. T.;
,pesiment Station, Louisiana State tsh
:srrssty.: j s'.j, :4ts..t 80 So, taj