64 THE |. W. SCOTT CO., Pittsburgh, Pa. 
Seed and Soil Disinfectants and Seed Inoculation 
DU PONT Seed Disinfectants 
“Ceresan M”’ 
A seed disinfectant for dry or slurry 
application on seed wheat, barley, rye, 
and oats. Effectively kills certain seed- 
borne diseases by both contact and vapor; 
generally controls covered smuts, and 
frequently increases yields. One pound 
treats 32 bushels of seed grain. 
14-0z. can $1.25, 3-lb. can $3.55, 40-Ib. 
pail $35.85. 
“*Arasan”’ 
A double-acting seed treatment for cer- 
tain diseases of corn and vegetable seeds. 
Usually reduces losses from seed decay 
and damping-off. As a disinfectant gener- 
ally destroys many surface seed-borne 
organisms. As a _ protectant generally 
protects seed against soil-borne organisms 
responsible for seed decay. One ounce 
treats about 1 bushel of seed corn. 
34-0z. pkg. 25 cts., 8-oz. can $1, 2-Ib. can 
$3.20, 4-Ib. can $6, 25-lb. drum $30. 
“Semesan Bel” 
Easy, quick-dip disinfectant for seed 
potatoes. Valuable for combating seed- 
borne Rhizoctonia and scab of seed po- 
tatoes and for protecting the seed against 
rotting. No mussy soaking—just dip, 
drain, dry, and plant. One pound will 
treat from 60 to 80 bushels of seed. 
2-0z. pkg. 50 cts., 1-Ib. can $2.30, 4-Ib. 
can $7.50, 40-lb. drum $70.35, 100-Ib. 
drum $166. 
“Semesan”’ 
Aids in reducing rot of flower and vege- 
table seeds, gives them a healthy start. 
Treat seeds, corms, bulbs, and seedlings. 
Semesan generally reduces seed rotting 
and damping-off. One ounce treats 15 to 
60 pounds of seed. 
Y4oz. 20 cts., 2 ozs. 60 cts., 12 ozs. $2.85, 
4 lbs. $13.40, 25 Ibs. $72.65. 
i 
Du Pont Turf Fungicides 
“Special Semesan”’ 
For lawns, golf courses and other fine 
turfs, to prevent or control large brown 
patch and dollar spot. Apply as a liquid. 
114 lbs. $3.75, 4 lbs. $8.90, 25 lbs. $52.05. 
“Tersan 75” 
A non-mercurial for prevention or con- 
trol of snow mold, brown patch and dollar 
spot on golf courses, grass tennis courts, 
lawns, and other fine turfs. 
3-lb. bag $6.75, case (12 3-lb. bags) $62. 
Du Pont F-531 
A cadmium fungicide for the control of 
dollar spot on golf courses, lawns and 
other fine turfs. ; 
Lb. $2.10, 25 lbs. $37.50, 100 lbs. $140. 
Suspension Calo-Clor 
An intimate mixture of calomel and 
corrosive sublimate, recommended for the 
prevention and control of large and small 
brown patch. Contains 81 per cent mer- 
cury metal. Can be used satisfactorily in 
power sprayers. 
25-lb. drum $123.75. (Not mailable.) 
Corrosive Sublimate 
Mercuric Chloric, Bichloride of Mercury 
Used for the prevention and control of 
brown patch on turf. Contains 74 per 
cent mercury metal. 
14-lb. bottle..$1 75 5-lb. bottle $23 90 
1-lb. bottle.. 4 90 | 25-lb. drum.102 25 
Not mailable 
Mallinckrodt Cadminate 
An organic cadmium compound for the 
prevention and cure of dollar spot in golf 
greens and fine turfs. Use 4 oz. per 1000 
square feet. 
1g-oz. pkt. 40 cts., 12 pkts. for $4.20, 
5-lb. can $48. 
Du Pont Formaldehyde 
Invaluable as a disinfectant, fungicide, 
germicide and deodorant on the farm and 
in the home. 
For Grain-Smut Control. An efficient 
control for certain smuts of wheat, barley, 
oats, and rye. Can be applied by the 
sprinkle, dip, or spray method, as you 
wish. A one-pound bottle will treat 50 to 
55 bushels of seed grain. 
For Seed-Potato Treatment. Controls 
black scurf or rhizoctonia, and under cer- 
tain conditions common scab, black-leg, 
and bacterial ring rot, which cut down 
the stand, cripple the potatoes, and reduce 
the yields. 
For Soils and Vegetables. Controls 
damping-off of seedlings in seed-beds and 
greenhouse benches; controls onion smut, 
root-knot, and other diseases, 
Lb. bottle 40 cts., 10 1-lb. bottles $3.50, 
case (25 1-lb. bottles) $7.25. 
Ask for booklet and full directions. 
Hammond’s Formacide 
Stabilized Formaldehyde Dust 
Used as a control of certain fungous 
diseases known as damping-off of seed- 
lings and cuttings. For treating soil to be 
used in pots and flats mix 8 ounces of 
Formacide thoroughly with each bushel 
of soil. Also an effective control for smuts 
of oats and barley. Complete directions 
on package. Mlb. 50 cts., lb. 85 cts., 
5 Ibs. $2.50, 25 Ibs. $10, 50 Ibs. $17.50. 
P40 Sodium Selenate 
Contains 2% Sodium Selenate on a 
superphosphate base carrier. Applica- 
tion to the soil has shown that it is a useful 
insecticide for the control of aphids, red 
spider, mites and midge on certain plants. 
Very toxic. Must be used with care and 
only on non-edible crops. 25-Ib. bag $7.25. 
500 Liberty Ave. - 113 Diamond St. 
WEEDONE Crab-Grass Killer 
Effective for the control of crab-grass 
without permanent injury to desirable 
grasses. Contains potassium cyanate. 
Relatively non-poisonous to humans or 
animals--goes to work fast--has no toxic 
effect on the soil. Applied with sprinkling 
can or sprayer. 614 oz. can makes sufficient 
solution to treat about 1000 square feet 
in the seedling stage. 614 oz. can $1, 26-0z. 
can $3, 614-lb. can $8.85. 
Crab-Not Crab Grass Killer 
Contains potassium cyanate for the 
control of crab-grass and chickweed and 
2-4D for the control of dandelion, plantain 
and other broadleaf weeds in a lawn. 
Comes in powder form and is completely 
soluble in water, is non-volatile and will 
not harm adjacent vegetation. 16-oz. can 
covers about 5,000 sq. ft. 
4-oz. can $1.25, 16-0z. can $3.50, 2-Ib. 
can $6, 6-lb. can $12.50, 40-Ib. drum $59. 
PMAS 
Kills crab-grass and controls turf diseases 
A water-soluble phenyl mercury organic 
complex. Can be used with safety on bent 
lawns. Descriptive literature on request. 
214% Solution. For home lawns. 1-pt. 
bottle $1.75, 1-gal. bottle $13.25. 
10% Solution. For golf grounds, ceme- 
teries, etc. 1-gal. bottle $16.95, case 
| (4 1-gal. bottles) $59.60. 
Du Pont 90% Sodium T.C.A. 
Weed Killer 
An effective control for Johnson grass, 
quack grass and other noxious annual and 
perennial grasses. 
10-Ib. can $6.90, 50-lb. drum $25. 
LEGUME-AID 
1eeetinae For Alfalfa, Soy Beans, 
lovers aa all other Legumes 
All legumes are heavy 
nitrogen users and if 
not inoculated, they 
rob the soil like any 
other plant. I[noculat- 
ing legumes with Le- 
gume-Aid Bacteria en- 
ables legume plants to 
draw free nitrogen from 
the air and make it 
available as food. 
For Alfalfa and All Clovers. 1-bus. size 
50 cts., 214-bus. size $1. 
For Birdsfoot Trefoil. 10-Ib. size 25 cts. 
For Ladino Clover. 10-Ib. size 25 cts. 
For Soy Beans, all varieties. 2-bus. size 
30 cts., 5-bus. size 55 cts., 25-bus. size (5 
5-bus. sizes) $2.50: 
For Vetch, Field and Garden Peas. 100- 
Ib. size 50 cts. 
For Lespedeza. 100-lb. size 50 cts.: 
For Garden Beans, Lima Beans, Garden 
Peas and Sweet Peas. Home Garden size 
(for 5 lbs. of seed) 15 cts., 1-bus. size 50 cts. 
When ordering don’t fail to state 
the kind of seed to be inoculated 
