FREE BULLETINS 
SENT ON 
REQUEST 
NEW IMPROVED CERESAN, a new 
low cost grain disinfectant, costing 
only 1% to 2% cents per bushel. 
Unusually effective in controlling 
bunt or stinking smut in wheat; 
covered smut and stripe of barley; 
and oat. smut. Is easily and 
quickly applied. Seed should be 
treated 24 hours before planting. 
Does not reduce drilling rates nor 
damage drills. One pound treats 32 bushels 
wheat, oats or barley. 
Prices: (4-0z. can 35c) (Ib. can 90c) (4-Ib. can $3.00) 
(25-lb. pail $16.65). 
2% CERESAN for sorghums. 
Prices: (1-lb. can 85c) (494-lb. can $3.50). 
NEW IMPROVED SEMESAN JR. is a dust disinfec- 
tant for treating field and sweet corn. Also for 
preventing the seed rotting of early planted corn. 
It is easily and quickly applied, harmless to seed, 
and does not materially slow up the rate of drop 
nor prevent accurate planting. It costs less than 
3 cents per acre for the treatment of field corn. 
Two ounces per bushel is required. 
Prices: (1¥-oz. pkg. 17c) (12-0z. can 62c) (6%4-lb. 
can $4.16) (25-lb. pail $13.85). 
DuPont Seed Disinfectants 

PRICES ARE 
NOT PREPAID 
UNLESS SPECIFIED 
STMESAN Bll 
SEED POTATOES 
JOH Ww? OF pf 
een 
> ba 0! 
X POISON ¥ 

SEMESAN is a general disinfectant for vegetable 
and flower seeds or bulbs, and for certain plant 
diseases. It is applied by the convenient dust 
or liquid method, and costs from WY to 1 cent o 
pound. Sale for turf treatment is prohibited. 
Prices: (/s-oz. envelope 12c) (2-0z. can A5c) (12-02. 
can $2.10) (4-lb. can $10.10) (25-Ib. pail $58.28). 
NEW IMPROVED SEMESAN BEL, a dip disinfectant 
for seed potatoes. The treatment is easy and 
quick. It is inexpensive, as | pound treats 60 to 
80 bushels of seed at a cost of 1% to 3 cents 
per bushel. 
Prices: (2-0z. envelope 35c) (lb. can $1.83) (4-lb. 
can $6.33) (25-lb. drum $36.90). 
Seed Disinfectants and Fungicides 
BLUE VITRIOL or SULPHATE OF COPPER is a 
preventive of smut in grain. It is very effective 
and probably the cheapest fungicide in use 
today. One pound of Blue Vitriol dissolved in 
20 gallons of water is sufficient to treat 30 
bushels of wheat or barley for smut. Five pounds 
of Blue Vitriol and 5 pounds of lime added to 
60 gallons of water is effective for celery spray. 
Prices: (Ib. 20c) (5 Ibs. 90c) (10 lbs. $1.50). 
BORDEAUX MIXTURE. Repels leafhopper and flea 
beetle, also prevents blight. A good fungicide 
for vegetables, flowers and ornamentals. 
Prices: (1 lb. carton 40c) (4-lb. bag $1.00). 
FORMALDEHYDE is of pronounced efficiency in 
destroying disease germs. Is successfully em- 
ployed as a preventive of such fungous diseases 
as potato scab, onion and grain smuts, musty 
corn, and other affected seeds, damping off of 
seedlings, club root of roses, etc. The dilution 
for most purposes is 1 pound, or pint, of for- 
maldehyde to 15 or 20 gallons of water. One 
pint to 40 gallons of water will treat 30 bushels 
of wheat or barley, or 40 bushels of oats for 
smut, or 60 bushels of flax for wilt. 
Price: (pint 45c). 
COPPER-HYDRO contains 26% 
metallic copper, twice as much 
as 13% Bordeaux mixture at 
much lower cost. Especially ef 
fective against diseases of po- 
tatoes, celery, beans, tomatoes, 
and wheat smut. Always uni- 
form. Safe to foliage. Use as a 
dust or spray. 
Prices: (4-lb. bag $1.10) (50-lb. bag $12.00). 
86 

COPPER CARBONATE is very efficient for the con- 
trol of bunt or stinking smut of wheat. Two or 
3 ounces of 50% plus Copper Carbonate per 
bushel of grain is sufficient. The value of Copper 
Carbonate is determined by its metallic copper 
content. 
Prices: (5 Ibs. $1.60) (10 5-lb. cartons $14.59). 
CORONA COPPERCARB is used for killing smut 
spores in wheat. It contains from 18 to 20 per 
cent Copper Carbonate and is specially prepared 
to give good coverage. The label gives full in- 
structions, further information will be furnished 
on request. Having a lower metallic copper con- 
tent more Coppercarb is required per bushel than 
is required of the 50% plus Copper Carbonate, 
but the price is lower. 6 to 8 ounces per bushel 
is recommended. 
Prices: (5 Ibs. $1.00) (10 5-ib. cartons $9.10). 
CORROSIVE SUBLIMATE (Mercuric Chloride) for 
treatment of seed potatoes to control scab, mag- 
gots, and rhizoctonia. Dissolve 4 ounces of Cor- 
rosive Sublimate in warm water. Then add to 
cold water in a wood barrel or vat to the amount 
of 30 gallons. First lot, treat 1% hours. Second 
lot, 1% hours. Third lot, 2 hours. Then throw 
out as the solution is worthless. Is a rank poison 
and care should be taken in handling it and in 
its disposition. Prices: (4 ozs. $1.00) (Ib. $3.40). 
SPERGON is a fine yellow powder that possesses 
the property of good adherent to seeds. It kills 
harmful fungi in the soil thereby allowing seed 
to germinate naturally and produce healthy and 
vigorous seedlings, resulting in better plants and 
greater yields. It is safe to use. 
Prices: (l-oz. pkg. 25c) (5-oz. pkg. $1.00) (1-lb. 
pkg. $2.10) (10-Ib. drum $19.70). 
ee 
THE WESTERN SEED COMPANY, DENVER, COLORADO 
