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Seed Disinfectants 
Control Seed-borne Diseases of Farm Crops 
Stimulate Germination - Improve Stands 
Generally Produce Increased Yields of Higher Quality 
CERESAN 
SEMESAN BEL 
for seed treatment of small grains for seed white and sweet potatoes 
PRICES 
8 oz. 
1 lb. 
5 lbs. 
25 lbs. 
100 lbs. 
300 lbs. 
.50 
.75 
3.00 
12.50 
49.00 
144.00 
Ceresan has proven effective in 
controlling such seed-borne diseases 
as bunt or stinking smut of wheat; 
stripe disease of barley; loose and 
covered smuts of barley and oats 
and covered kernel smut of sor¬ 
ghum. It is the only dust treat¬ 
ment which has successfully con¬ 
trolled these destructive grain dis¬ 
eases. Ceresan does not injure the 
seed nor the grain drill. Only 2 
oz. of Ceresan required per bushel 
of wheat, rye or sorghum and 3 oz. 
for barley and oats. Easy to apply, 
economical to use. 
SEMESAN JR. 
for seed field and sweet corn 
Simply mix, dip, drain, dry and 
your seed potatoes are ready for 
planting. Semesan Bel may be used 
on either whole or cut seed pieces. 
Semesan Bel effectively controls 
such seed-borne disease organisms 
as scab, rhizoctonia and black-leg. 
By controlling these diseases, germi¬ 
nation is generally increased, stand 
improved and the resultant crop 
bigger and of better quality. One 
pound treats 16 to 20 bushels of 
seed. Du Bay Semesan succeeds 
the products sold as Du Pont Seme- 
san Bel and Bayer Dipdust. 
SEMESAN 
PRICES 
4 oz. 
1 lb. 
5 lbs. 
25 lbs. 
100 lbs. 
300 lbs. 
.50 
1.75 
8.00 
31.25 
120.00 
345.00 
for flower and vegetable seeds 
Semesan Jr. is especially effective 
in controlling seed-borne infections 
of diplodia, Gibberella and Basis- 
porium, without harming the seed 
embryo in the least. Its use pro¬ 
tects the seed from rotting in the 
ground and makes possible earlier 
planting which generally results in 
increased yields. Improved germi¬ 
nation, better stands, control of 
certain diseases, increased yields are 
the benefits which thousands of 
farmers are reaping, at a cost of 
less than 3c. an acre. Succeeds the 
products sold as Du Pont Semesan 
Jr. and Bayer Dust. 
SEMESAN Jr I 
Dust Disinfectant 
/** 
Seed Corn 
■ “iff! 
PRICES 
4 oz. $ 
1 tb. 
6 lbe. 
25 lbs. 
100 lbs. 
300 lbs. 
.40 
1.50 
7.00 
28.75 
110.00 
315.00 
25 lbs. 
100 lbs. 
300 lbs. 
.60 
2.50 
11.76 
46.26 
180.00 
526.00 
Semesan may be applied in dust 
or liquid form to the seed before 
planting. It is harmless to the seed 
but deadly to disease organisms that 
may be on the seed. Semesan is 
such a powerful and effective disin¬ 
fectant that seed treatment with it 
is ridiculously low in cost, ranging 
from I/ 4 C. to lc. per pound of seed. 
One ounce treats 1 ? lbs. of seed. 
Effective in controlling damping off 
and such devastating gladiolus dis¬ 
eases as hard rot and scab. Du 
Bay Semesan succeeds the products 
sold as Du Pont Semesan and 
Bayer Uspulun. 
Du Bay Seed Disinfectants. !if[e mdny agricultural chemicals, are poisonous in nature and owing to 
present Postal Regulations cannot be sent through the mails but must be sent by express or freight. 
Treat All Seeds Before Planting with Du Bay Disinfectants 
