The watchman and southron. [volume] (Sumter, S.C.) 1881-1930, 1922-07-22

soned nfolasses is greatest. 8.
A pound of calcium arssnate
dust will llsuuccessfnlly treat an acre
when cotton is small This year 3
pound OF calcium arsenate Costs 10
to Is cents, and it costs less tosap-
ply dust. than it costs to apply mo-
Iasses. 6, - .1srss =;
* 5(2} AS the cotton grows Larger
the effectiveness of poisoned mo-
lasses decreases and becomes neg
ligible, while the effectiveness q
the dust poison does not decrease
(3} Calcium arsenate dust as not
only more effective than poisoned
melasses in the early period. but
because Of its greater efectiyeness
throughout the period of cotton
growth, it holds down infestation
more successfully and renders the
danger less eat the migrating PEE
ried. .ss
"a Poisoned molasses on cotton
is not a means os protection at mi
grating time. only calcium arse-
nate dust on the cotton affords
protection. s-sssss -
- Poisoned lnoIasses attracts
and kills honey sees and other in
sects that lore sweets, whose great
est seryices1o the farmer is in fer
tilizing thesaowers af crops, there
by..increasing the yield. -.
sS(6) Poisoned sweets. because sof
their sweetness, are eaten greedily
by animals. Cattle have been killed
by feeding on them. Mules that
have. brushed poisoned sweets on
OF. the cotton on their legs and lick
ed the sweet material Oft are .re-
ported toshaVe been killed.
The dangersof poisoned sweets 90
animals lis not great and LIDO not
rank that objection as amportant
as the ether objections cited:
I wantsto call your attention to
the fact that; tits not easy TO judge
Of the effectiveness Of poison ap-
Piled early in the season. 1t is then
that the ofd~ weegils are dying on
rapidIy On account of the lateness
Of cotton this year, a greater per-
centage ofFweeviis died "a natural
death before squares formed than
ordinarily. sssi5-.ss- : s
It Is because many weevils die
before they can find ysquares ts
puncture. sthat we advocate only
one application of poison in killing
cid weepfls. That application
should be- made Just before the flzst
squares get big enough to puncture.
Following that. We advocate the
use of poison applied an strict ac-
cordance with the rules. laid down
by the government boil weeyI e1-
pertS i-s.Sssse, ;ts.>.Ss { Y <. -. 81
You mention plant lice damage
on cotton poisoned with calcium
arsenateg dust last year IN South
Carolina. 1t seems quite, evident
that your. cotton suffered in this
way Upon report of yoar tros1-
BILE, Mr.. Coad made a surrey OF all
poisoned cotton under his oDser-
yation, numbering hundreds of
fields throughout the South. and
found that two in this country. as
I recall, showed some signs OF plant
lice injury due to calcium arsenate
and one marked instance damage IN
Mexico. :s,s-sss
OF course, last season was un-
usual for! plant louse damage N
the Southeast. It seems that cat-
cium arsenate killed thes natural
enemies OF the plant leuse an yenr
case and I understand the lice
were so bad that the hcRey dew
dripped from them on the open
cotton. thus doing it damage.
We do not think the plant louse
except rarely, viii be abundant
enough te,do much damage. When
it is abundant it can be killed With
nicotine ssulphate.
But, at that. we think you would
rather have plant lice than boil
weevils if it came to a,echoice~
thank you for the Invitation
to visit your farm. have planned
a trip ofaobservation through South
Carolina and & viii visit Hartsvilie,
where IsshaH be glad to see you
and observe what you are doing
in boil weevn control
Quite 8 heavy wind storm passed
over the, .Tindal section Tuesday