Control of the Root, Stalk, and Ear Rot Diseases of Corn Page: 2
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rr IE corn crop in 1919 was worth more than all other cereal
The rot diseases of the roots, stalks, and ears of corn are
widely distributed in this country wherever corn is grown.
They cause heavy losses, particularly in the corn belt. The
loss in 1919 is estimated at 125,175,000 bushels, or 4 per cent
of the total crop.
These diseases are caused by several organisms and probably
by some other contributing factors.
They may be recognized in germination tests and in the
fields by certain symptoms and may be largely controlled by
the methods described herein.
Select well-matured seed at the proper time from healthy
plants. Avoid all leaning or broken plants and all broken ear
shanks even if the ears look healthy.
Select about five times as many seed ears as will be needed,
to allow for discarding later all ears found to be diseased.
Cure and store the seed ears in a dry, well-ventilated place.
Full directions are given in Farmers' Bulletin 1175.
After the seed ears are thoroughly dry, discard all ears with
denting that is too rough or with pink, discolored, cracked, or
shredded shank attachments, or with moldy, discolored, or
Make a special germination test of ten representative kernels
from each seed ear selected. ,
Keep for seed only those ears represented on the germinator
by ten healthy seedlings, cutting open the ten kernels to make
sure they are not rotted, even if the sprout appears to be healthy.
Discard butt and tip kernels. Then shell each ear separately
In shelling, discard any ears with kernels that are starchy,
moldy, or dull in color.
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Holbert, J. R. & Hoffer, G. N. (George Nissley), 1887-. Control of the Root, Stalk, and Ear Rot Diseases of Corn, pamphlet, 1920; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc86031/m1/2/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.