BAY SEED DISINFECTANTS 
Increase Crop Profits 
Reduce Risease Losses 
NEW IMPROVED 
CERESAN 
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. 
Prices: 1 lb. 70 cts., 5 lbs. 
$3.00. 
NEW IMPROVED 
SEMESAN BEL 
Quick dip treatment; effec¬ 
tive against seed-borne scab 
and Rhizoctonia. Costs only 
\y 2 cts. to 3 cts. a bushel. 
Prices: 4 oz. 45 cts., 1 lb. 
$1.50, 5 lbs. 6.75, 25 lbs. 
$31.00. 
NEW IMPROVED 
SEMESAN, JR. 
Easy dust treatment; pro¬ 
tects seed against rotting; 
improves stands; reduces 
seedling blight and increases 
yields. Average increase, 4 
bushels an acre. Prices: 4 oz. 
35 cts., 1 lb. $1.00, 5 lbs. 
$4.75. 
SEMESAN controls many seed-borne diseases, reduces seed decay of vegetable and flower 
seeds at the amazingly low cost of only *4c to 1c a pound. Also valuable for watering 
the seed bed or flats to control damping-off. Prices: 2 oz., 35c; 1 lb., $2.25; 5 lbs., $9.90. 
NU-GREEN to control Brown Patch on turf of low fertility. Prices: 3 oz., 35c; 1 lb., $1.45; 
5 lb., $6.30; 25 lb., $29.00; 100 lb., $115.00. 
SPECIAL SEMESAN to prevent and control Brown Patch. Prices: 5 lb. tin $7.00; 25 lb. 
pail $33.00; 100 lb. drum $129.00. 
2% CERESAN 
Treats sorghums, flax, millet, 
peas and narcissus bulbs. Re¬ 
duces seed decay and in¬ 
creases stands and yields. 
Prices: 1 lb. 70 cts., 5 lbs. 
$3.00, 25 lbs. $12.75. 
FREE: 
Booklets an all Du Bay 
Seed Disinfectants 
on request. 
TREAT SEEDS EVERY YEAR - IT PAYS! 
ANTS: Simply enlarge entrances of nest with long- 
shank screwdriver or pointed stick. Adjust spout of can 
and allow a small amount of Cyanogas to flow into the 
enlarged hole. The worker ants and Queen are killed im¬ 
mediately with Cyanogas. Special 4-Oz. Ant Con¬ 
tainer 30 cts. ' 
MOLES: Open up runways every 10 to 20 feet, and 
blow Cyanogas A-Dust in both directions with a duster. 
1 lb. 75 cts., 5 lbs. $3.00, 25 lbs. $10.00, 100 lbs. 
$30.00. 
WOODCHUCKS: Are very susceptible to the gas lib¬ 
erated by Cyanogas A-Dust, and only one whiff is re¬ 
quired to kill them. Place one tablespoonful of Cyano¬ 
gas as far down the burrow as possible. Use long-handle 
spoon. Upset Cyanogas in a small pile. Close entrances 
tightly with up-turned sod. 1 lb. 75 cts., 5 lbs. $3.00, 
25 lbs. $10.00,100 lbs. $30.00. 
RATES: Cyanogas is not a bait! It is different! Simply 
pump it into rat burrows or hideouts, it seeks the rats 
and kills them instantly. 1 lb. 75 cts., 5 lbs. $3.00, 25 
lbs. $10.00, 100 lbs. $30.00. 
GREENHOUSE PESTS: Cyanogas G-Fumigant, when 
exposed to air gives off a gas destructive to all plant 
insects. It is the most generally used insecticide in 
greenhouses. It is the most economical of all green¬ 
house insecticides, and is completely effective and very 
easy to use. 5 lbs. $3.00, 25 lbs. $10.00, 100 lbs. 
$30.00. 
OTHER PESTS: Such as fleas, bees, bats, squash bugs, 
cucumber bettles, termites, etc., are easily controlled 
with Cyanogas. Leaflets containing instructions on the 
control of practically all pests are available. 
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