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DUBAY SEED DISINFECTANTS 
CERESAN FOR COTTON 
(ALSO FOR SEED GRAINS) 
Lower Acre Costs of Cotton and Grains by 
Increasing Stands and Yields with CERESAN 
With this new seed treatment, Ceresan, you can now plant cotton earlier- 
because Ceresan, which is applied to the seed as a dust, protects the seed against 
rotting. Early planted cotton also is less susceptible to attacks by boll weevil. 
The use of Ceresan as a seed treatment prevents heavy plant losses caused by 
damping off and results in a uniform stand of vigorous plants. 
Ceresan is easily applied as a dust at the rate of 2 to 3 ounces to the bushel. 
Since Ceresan produces a uniformly better stand of plants, the quantity of seed! 
sown per acre may be reduced. 
In one test with cotton, Ceresan-treated seed showed an improvement of 75% 
in stand over the untreated. The saving in seed, the better stand, freedom from 
disease and increased yield more than repay the small cost of this remarkable 
treatment. 
Ceresan treatment repays its low cost many times over in 
extra profit. Four pounds of cotton out of 294 pounds 
increase in yield paid for the Ceresan. 
$14.83 Profit from 36c Worth of Semesan Bel 
Ceresan should also be used to treat your seed, wheat, oats, barley and 
sorghums. Prevents smuts and barley stripe. Use 2 ounces per bushel of 
sorghum, 3 ounces per bushel of wheat, rye and sorghum, 3 ounces per bushel of' 
oats and barley. Results show Ceresan controlled smut on oats and increased 
yields. Costs less than three cents per acre. 1-lb. tin, 75c; 5-lb. tin, $3J)0; 25-lb.- 
pail, $12.50; 100-lb. drum, $49.00. 
NEW IMPROVED CERESAN 
For treating wheat, oats and barley. % ounce will treat 1 bushel of seed. 
1-lb. tin, 75c; 5-lb. tin, $3.00. 
One and a half billion dollars—an average of over $200 per farmer— j 
is the annual tax levied by plant diseases on America’s crops, according 
to estimate of the U. S. Department of Agriculture. Truly a staggering 
economic waste which makes diseases one of the most important risks in 
crop production. 
Du Bay Seed Disinfectants pay large profits by destroying disease organ- < 
isms before they can do damage: by preventing seed rotting in cold, wet 
soils ; by reducing damping-off of emerging seedlings ; by producing better ■ 
stands of more vigorous plants ; by increasing yields ; and by improving , 
crop quality. 
Semesan Bel 
For Seed Potatoes 
Instead of using chemicals for treating seed 
potatoes which require tedious soaking and 
which sometimes injure the seed piece, use the 
quick, easy, time-saving Semesan Bel treat¬ 
ment. Simply mix, dip, drain, dry and the 
potatoes are ready for planting. No hot 
water necessary. By controlling these diseases, 
germination is generally increased, stand im¬ 
proved and the resultant crop of potatoes is 
bigger and of better quality. Crop increases 
of from 10% to 15% are common. One pound 
treats 70 to 80 bushels of seed. 
4- oz. tin . ..$ .50 
1-lb. tin . 1.65 
5- lb. tin . 7.00 
25-lb. pail .31.25 
Ceresan 
For Cotton 
1— Controls damping-off, caused by 
seed-borne and certain soil-borne 
organisms and seed rotting. 
2— Reduces damage caused by an¬ 
gular leaf spot, anthracnose and 
boll rots. 
3— Makes possible earlier planting 
and produces heavier stands. 
4— Generally produces heavier yields 
of better quality. 
New Improved Ceresan 
For Seed Grains 
Controls wheat stink smut and 
stripe and covered smut or barley 
without injuring the seed. 
Use Semesan for Healthy Plants 
Semesan 
For Vegetable and Flower Seeds 
Semesan should be applied in 
dust or liquid form to flower or 
vegetable seeds before planting. 
It is harmless to the seed, but 
deadly to any disease organisms 
that may be on the seed. One 
ounce treats 15 to 30 lbs. of 
seed. Effective in controlling 
damping-off, many seed-borne 
diseases and such devastating 
gladiolus diseases as hard rot 
and scab. 
2-oz. tin ..$ 0.50 
1-lb. tin .-. 2.50 
5-lb. tin . 11.75 
25-lb. pail ... 46.25 
New Improved Semesan Jr. 
For Seed Com 
Applied by the simple dusting method at 
the rate of 2 ounces to each bushel of seed 
field or sweet com, Semesan Jr. offers the 
cheapest and most effective form of disease 
insurance. U. S. Government tests show 
Semesan Jr. increased the yield of disease- 
free seed as much as 1.9 bushels an acre. 
Its use protects the seed from rotting in 
the ground and makes possible earlier plant¬ 
ing which generally results in increased 
yields. Costs less than three cents per acre. 
4>-oz. tin . $0.35 
1-lb. tin . LOO 
5-lb. tin . 4-75 
25-lb. pail ,. 23.25 
Scmesanji 
Treated 
Untreated 
Check 
Untreated and Treated Com 
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ROBERT NICHOLSON SEED CO. —59— DALLAS. TEXAS 
