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PERFEGRO BRAND —- — — _ HIGH QUALITY SEEDS 
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SPECIAL MIXTURES OF INSECTICIDES 
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La disela |ol= POISONOUS INSECTICIDE - 
» DUST 4 
HIGH IN KILLING POWER 
UNIFORM 
PYROCIDE DUST No. 10—This is recommended as an all 
around general insecticide and is especially effective in the 
control of Web Worms, Cucumber Beetle, Bean Beetle, 
Tarnish Plant Bug, Leaf Tier, Grape Leaf Hopper, Thrips, 
Squash Bugs, Harlequin Bug, Colorado Potato Beetle and 
the Asparagus Beetle. Can be used on all types of plants 
under all conditions. Non-poisonous. (1 lb. 40c) (5 Ibs. $1.15) (20 
Ibs. $5.00) (100 Ibs. $19.00), f.0.b. Denver. 

Can Be Used on All Types of 
Plants Under All Conditions. 

PYRENONE DUST NO. 20 (Contains Piperony! Cyclohexenone) 
—A new organic contact insecticide. Gives excellent control 
of many insects for which Pyrethrum and Rotenone have 
been used. Tests prove it is effective against. Mexican Bean 
Beetle, Cucumber Beetles, Cabbage Looper, Cabbage Worms 
and Leaf Hoppers. Leaves no poisonous residue. (1 Ib. 35ce) (5 
Ibs. 95c) (20 Ibs. $4.00) (100 Ibs. $16.00), f.0.b. Denver. 
ROCKY MOUNTAIN HI-ALTITUDE APHIS DUST—A com- 
bination of Free Nicotine, and B-71 for the control of aphis 
on Cabbage, Peas, Cauliflower and Broccoli. (20 Ibs. $4.00) (50 
Ib. drums $8.00) (100 Ibs. $15.50), f.0.b. Denver. 
ROCKY MOUNTAIN HI-ALTITUDE APHIS DUST WITH 
SULPHUR—A combination of Free Nicotine B-71, and Sul- 
phur for aphis control. (20 Ibs. $4.00) (50-Ib. drums $8.50) (100 
Ibs. $16.00), f.0.b. Denver. 
SABADILLA DUST No. 20—This dust is twice as strong as the 
No. 10 dust and is used for the control of squash bugs, and 
hard to kill insects. (Ib. 60c) (5 Ibs. $1.75) (20 Ibs. $7.00) (100 Ibs. 
$28.00), f.0.b. Denver. 
D.D.T. DUST 5% (5% D.D.T.)—Effective in controlling a large 
number of different species of insect pests such as Onion and 
Gladiolus Thrips, on Potatoes—Potato Beetles, Psyllid, Flea 
Beetles, Leafhoppers; Lygus Bugs on Alfalfa and Sugar 
Beets grown for seed. Can also be used on all types of flower- 
ing plants, shrubs and trees. (20 Ibs. $3.00) (100 Ibs. $12.00) 
f.o.b. Denver. 
D.D.T. DUST 10% (10% D.D.T.)\—To be used when the 5% dust 
does not give good control, or hard to kill insects. (20 Ibs. 
$4.00) (100 Ibs. $16.00), f.0.b. Denver. 
ROCKY MOUNTAIN R-60 DUST—A combination of Lethane, 
Rotenone and Sulphur. Recommended for the control of many 
sucking and chewing types of truck crop insects such as 
pea aphids (and other plant lice), cabbage loopers, leaf 
hoppers, pea weevils, and Mexican bean beetles. (12 oz. Pump 
Gun Pkg. 40c) (5 Ibs. 85c) (20 Ibs. $3.00) (50 Ibs. $6.00), f.o.b. 
Denver. 
ROCKY MOUNTAIN POTATO DUST NO. 20-C—A combina- 
tion of Cryolite, Tri-Basic Copper and Sulphur. If applied 
as the insects and diseases first appear and repeated as 
needed will satisfactorily prevent or control such pests as 
flea beetles, Colorado potato beetle and psyllids and such 
diseases as early and late blight. (20 Ibs. $3.00) (100 Ibs. 
$12.00), f.o.b. Denver. 
ROCKY MOUNTAIN 10-10 DUST—Manufactured for green- 
house use for hard-to-kill insects that cannot be controlled 
with the use of a straight DDT Dust or Pyrocide dust we 
have combined 10% Dry Pyrocide and 10% D.D.T. Has been 
used on White Fly and Chrysanthemum Midge the past sea- 
ae with excellent control. (20 lbs. $9.00) (100 Ibs. $35.00), f.o.b. 
enver. 
ROCKY MOUNTAIN HOPPER DUST No. 5—(Contains Chlo- 
dane). For the control of grasshoppers, alfalfa weevil, lygus 
bug and other insects. Apply at the rate of 20 lbs. per acre. 
For the control of Grasshoppers, dust on weeds around fence 
lines, shrubs and flowers in late evening or early morning 
while hoppers are quiet will give best control, contacting as 
many as possible with the dust. When used on field of 
alfalfa there is a noted increase in both seed and hay. (Ib. 45c) 
(5 Ibs. $1.50) (20 Ibs. $5.00) (100 Ibs. $20.00), f.0.b. Denver. 
NICOFUME PRESSURE 
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KOPPER KING DUST No. 10—Recommended for the control of 
of early and late fall blight or rust of celery. Dust plants at 
first sign of blight and dust at intervals of every ten days in 
order to keep plants thoroughly covered. Copper has a 
stimulating effect on the growth of plants resulting in in- 
creased yields and higher quality produce. (20 Ibs. $2.50) (100: 
Ibs. $9.00), f.0.b. Denver. 
DUSTING SULPHURS 
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“ELECTRIC BRAND” SUPER ADHESIVE DUSTING SUL- aS 
PHUR—325 mesh, 99.8% pure. A processed distilled sulphur — 
possessing superior adhesive properties, non-lumping and of — 
finest texture. Makes excellent combination dust with 
aaa poisons and contact insecticides. (100 Ibs. $4.00), f.0.b. 
enver. 
WETTABLE SULPHUR 
“MAGNETIC SPRAY” Wettable Sulphur—98.5% pure. A spe- 
cially processed sulphur possessing superior adhesive prop- 
erties, and containing not more than 124%4% wetting agents. — 
Hasily dispersed in spray tank. Use for spraying fruit trees, 
berries, flowers and ornamentals. (100 Ibs. $6.00), f.o.b. 
Denver. Pips. 
“CROWN BRAND” WETTABLE SULPHUR—95@ pure. A 
processed sulphur of high adhesive properties assuring ad- 
herence to foliage. It wets quickly and easily even in hard — 
water, remaining in suspension for an unusually long time. 
Recommended for use on potatoes as a wet spray. Also ex- 
cellent to build up weak Lime Sulphur sprays; use 4 lbs. to re- 
place each gallon of 32 degree Baume Lime Sulphur solution 
left out. (100 Ibs. $5.00). 
DISINFECTANTS 
TREAT BEFORE PLANTING WITH 
SEED CORN 
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FOR DISEASE PROTECTION 
Increase Your Garden Pleasure and Your Farm Profits by 
Preventing Losses From Plant Diseases 
Disinfect all seeds, bulbs and potatoes that are to be planted; 
increases germination, protects seedlings, produces stronger 
and more vigorous plants that will produce better crops, 
reduce dampening-off, prevents seeds from rotting in the 
ground and controls smut. We suggest that you use the 
following: 
SEMESAN—For Vegetables and Flower Seeds and Bulbs. 
Price: (1/3 oz. 20c) (2 oz. 45c) (12-0z. can $2.10) (4 Ibs. $10.10). 
Not postpaid. i 
SEMESAN BEL—For Seed Potatoes. Prices: (2 oz. 35¢) (Ib. 
$1.83) (4 Ibs. $6.33). Not postpaid. 
SEMESAN JR.—For Field and Sweet Corn Seed. Prices: (1% 
0z. 17c) (12 oz. 62c). Not postpaid. 
NEW IMPROVED CERESAN—For Wheat, Oats, Barley, 
Flax, Sorghums and other cereals. Prices: (4 oz. 35¢) (Ib. 90¢e 
(4 Ib. can $3.00) (40 Ib. drums $26.40). Not at 
ARASAN—For Vegetable Seeds, including Lima Beans, Sweet 
Corn and Peanuts. Prices: (1 oz. 25 i 
Not postpaid. (1 oz. 25e) (8 0z. 80c) (5 Ibs. $6.45). 
CERESAN M—For all crop seeds on which New Imp. Ceresan 
is recommended. May be used as a dust on wheat, oats, 
barley, rye, sorghums, millets, flax, peas and sugar beets. 
ee ouie ne a tne wheat, oats, barley, rye, flax, 
s. ot postpai oz. can 90¢ 4 i 
(40 Ib. drum $28.75). tore 0 Oe 
Nicotine)—Contents burned under pressure, provides uni- 
form and effective distribution of nicotine for the control 
of certain insects, for greenhouse use. (1 Ib. size, 12 to car- 
FUMIGATORS (Containing 14% 
ton, $8.35, each 75c) (14 Ib. size, 12 to carton, $4.80, each 45c), _ 
f.o.b. Denver. 
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