Du Bay 
SEED DISINFECTANTS 
INCREASE CROP PROFITS 
REDUCE DISEASE LOSSES 
There can be no question about the value of treating seeds with Du Bay 
Seed Disinfectants—when farm papers and Federal and state agricultural 
authorities advise seed treatment and, in many cases, actually urge the use 
of Du Bay Disinfectants. Invest a few cents in Du Bay treatment this year, 
and see how much more profit you’ll get in return! 
A Treatment for Every Major Crop 
NEW IMPROVED CERESAN. 
For Oats, Barley and Wheat. 
Effective against bunt or 
stinking smut of wheat; loose 
and covered oats smuts; black 
loose smut, covered smut and 
stripe of barley; seedling blight 
of all three. Lb. 70 cts.; 5 lbs. 
$3. (3 ozs. will treat 1 bus. of 
Oats or Barley;^ oz., 1 bus. of 
Wheat or Rye.) Postpaid. 
NEW IMPROVED SEMESAN 
BEL. For Seed Potatoes. 
Quick-dip treatment; effective 
against seed-borne scab and 
Rhizoctonia. Costs only 
to 3 cts. a bushel. 4 ozs. 45 
cts.; lb. $1.50; 5 lbs. $6.75; 
25 lbs. $31. (1 lb. will treat 
60 to 80 bus.) Postpaid. 
NEW IMPROVED SEMESAN 
JR. For Seed Corn. Easy 
dust treatment; protects seed 
against rotting; improves 
stands; reduces seedling blight 
and increases yields. Average 
increase, 4 bushels an acre. 
4 ozs. 35 cts.; lb. $1; 5 lbs. 
$4.75. (2 ozs. will treat 1 bus. 
of Seed Corn.) Postpaid. 
2% CERESAN. Treats cotton, 
sorghums, flax, millets, peas, 
and narcissus bulbs. Easy to 
use and highly effective in the 
results it gives. Lb. 70 cts.; 
5 lbs. $3; 25 lbs. $12.75. 
Postpaid. 
SEMESAN used as a dust or liquid treats vegetable and 
flower seeds at the amazingly low cost of only ^ to 1 ct. a 
pound. Also valuable for watering the seed-bed or flats to 
control damping-off. 2 ozs. 35 cts.; lb. $2.25; 5 lbs. $9.90. 
(1 oz. treats 15 lbs. seed.) Postpaid. 
SPECIAL SEMESAN to prevent and control brown-patch on 
lawns. 5 lbs. $7; 25 lbs. $33; 100 lbs. $129. Postpaid. 
All Prices are Postpaid or Express Prepaid 
to your address 
FREE: Booklets on all Du Bay Seed Disinfectants on request 
TREAT SEEDS EVERY YEAR -ITFAYS 
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