The Glenwood post. (Glenwood Springs, Colo.) 1897-current, 1919-07-19

Bringing Stock TO 1 Shipping
prepared by the United States Depart.
ment of Agriculture)
The European corn borer threatens
the future Of Americas greatest crop.
This pest plies his trade with the in
dustry Of beaver to the extent that
he Is the most dangerous plant pest
that has yet immigrated from foreign
fields to the corn lands of Uncle Sam.
The larvae, or borers, hungry as half
starved rats, tunnel through all parts
Of the corn plant excepting the roots.
and destroy or severely inture the ears
snd stalks. That their Diet may have
variety they also attack celery, Swiss
chard, beans, beets, spinach. oats. po-
tetoes. tomatoes, turnips, as well as
dahlfas, chrysanthemums, gladHolas,
geraniumE, timothy, other erasseS and
weeds. Two generations occur each
year, % inst multiplication and spEsid
sre rapid. especially - few arc de.
stroyed BY natural enemies.
Specialists Of the United statee de-
partment Of agriculture. I'm Farmers'
Bulletin 1919. describe the danger to
American corn BY the presence q the
European corn boref IN eastefn AA1sa-
chubetts. They sufastss that IL psA
NsS introduced IN raw hemp iApsFted
frsm Eurees fer use IN Massachusetts
cordase factories, or possibly In bales
Of broom corn Imported ,by factories
in central New York. There afs IS
t6wnS in Massachusetts,. isesHdin6 a
afea " abcdt 40 s&uafe milss, fAfsss
Cd W1tk tie t1sset, NhieA has bsen con.
Aaed to The limits q its original iafsc-
tisa sxcspt for an outhEask discovered
lp January In the vtcinity Of Schemes
tady. n. T. covering IN ssea q ap
1sexpateiz ~ sqaaTs mtttk
nsx he sersr WsAkk
re iAfvas, Il 6SrefS, tunnta thfsaoh
III bafts q dls eUek tlAnt t1cstt shs
lof6a3 rootG They cdass IL most
sssiosd damage By their work II the
sealks asa ssn, which they partially
or totally destroy. Generally they en-
tsr TIE stall. at it, upper end and near
tht base Of the tasssl, and At Ant .tun-
III upward. This dam2ks 10 keaksl6
III tastsl stzlk nat n bteakb 6vef ~:
FORT a. tastel NATURES. RESULTING b
l6es 1t pollen snd Tie lack Of normal
grain formation on the ears These
broken tassels, with extrusions Of saw.
dust-like material at the breaks. are
the most ec6spieuoes signs u infesta-
ton in the asld. Field counts In badly
Infested erees have shewn ~ many -
% Per cast Of the tasssls broken over
In this manner. After DESTROYING the
tassel TIE bofefs tunnel dovnward
tnfoush The STAN, gradually incfeasiaS
~ M Of th4lf tunnels - thsy -
vsaor. fnStsad o. entering me SUM
nsaf ths tasssl many II the BOXERS -
tse between The led sheath and stalk
q = point lower down, and tunnel Up.
ward oe 6ownLafd accofdinG to their
thdividdal prsasrcnco. When ssvefAl
o. many borssS NJ working wftAin ne
0fhe stak Il BOON u fedoesd to q mere
sheil. THIS injury cuts on ne suppay
- 002aD@1t nun TIE developing ear
and Greatly wsaksos he gealk which
eventually breaks over. Some o8 the
partly grown bdFers leave the stalk
and enter the ears through the huskA.
and niso through ths Stem and cUo.
Hets thy fesd apon the inmatsfs
Grain and tunnel through all psrts q
u coo.
eo0s Laid In summer.
p July and August many Of the
moths depodt thslr eggs directly upon
the newly developed ears OF late corn.
The resulting crop u 6orers feed at
arst upon the I'M ana then enter tie
ears directly. where tbsy fssd voFA-
ciously upou the grain and cob. A.
many A. IL full-grown borers, each
about an inch long. have been found