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Insecticides and Fungicides for Every Purpose 
DOW BRAND 
PARIS GREEN 
Packed in %4-lb., 1-lb. and 
5-lb. packages. 
~ DOW ARSENATE 
OF LEAD 
Dow Arsenate of Lead is 
the safest and most reliable 
insecticide available for the 
control of most leaf eating 
insects. 
Packed in %-lb., 1-lb., and 
4-lb. packages. 
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ASK FOR DOW'S COMPLETE SPRAYING CHART. 
Roses that are 
permitted to become 
afficted with in- 
sects and fungus 
diseases will lose 
their vitality and 
will not yield beau- 
tiful blooms. 
If your roses have 
the scientific pro- 
tection of TRI-OGEN, neither insects nor the 
dreaded Black Spot or Mildew will harm or 
defoliate’ them. 
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TRI-OGEN 
The all-purpose apray 
TRI-OGEN not only protects roses against 
all fungus diseases and insect pests, but it 
stimulates vigorous plant growth and assures 
healthy green foliage and luxuriant blooms. 
- » - it is the most revolutionary discovery 
ever made in the history of rose culture. It is 
Cia moet highly rceommended product of its 
ind. 
TRI-OGEN PROTECTION IS COMPLETE. No 
other spray is required. Therefore, it has 
been found to be the most economical spray for 
roses. Moreover, it is a great labor saver. 
* PRICES 
A. Small Kit (makes 16 quarts) ................ $ 1.50 
B. Medium Kit (makes 64 quarts).......... 4.00 
C. Large Kit (makes 32 galions).............. 6.00 
D. Estate Kit (makes 128 gallons).......... 20.00 
E.. Economy Kit: 5.52225. ooo. Each 90¢ 
A Product of OGEN Laboratories and 
Experimental Gardens 
\ 
DENDROL 
Dendro] Dormant Spray is a carefully re- 
fined, highly specialized soluble (miscible) oil 
for the specific, purpose of killing insects at- 
tacking trees and shrubs. Dendrol is easy to 
use. It pours readily in any weather, mixes 
easily with any water, disperses freely to form 
a stable, milk white emulsion of uniform dens- 
ity, and has high covering power. Especially 
recommended as a dormant spray for San Jose 
and Oyster Shells scale. 
Ask for prices. 
PERFECTION SPRAY 
General contact spray for aphids, red spider, 
thrips, midge, mealy bugs, leaf hoppers and 
white fly. Not to be used on tender annuals 
during hot weather. 
2-0z. bottle, 25¢; 8-oz. bottle, 75c. 
POISONED WHEAT 
Sure death to rats, mice, gophers and moles. 
Put a little of the wheat in a box, pan or 
saucer in a convenient place where the rats, 
mice, etc., can find it; they will do the rest. 
ete pkg., 15¢; 5-oz. pkg., 30c; 15-oz. pkg., 
c. 
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DOW BRAND INSECTICIDES AND FUNGICIDES 
The Dow Chemical Co. has always devoted a considerable portion of its time to research problems. 
The name “DOW” on a package of spraying material assures you of a uniform quality product. 
Write for Prices on Insecticides and Fungicides. 
DOW BORDOW 
Bordow is a copper fungi- 
cide developed by Dow for 
use on fruits and vegetables. 
Bordow can be used for any 
purpose for which bordeaux 
mixture is recommended. 
Packed in 1-lb. and 4-lb. 
packages. 

IT IS FREE ON REQUEST. 
KILL THE PEACH TREE BORER 
BY USING PARADOW 
The borer feeds actively in the fall, spring 
and summer months, and lies dormant in the 
winter. It attacks the soft inner bark usually 
just beneath the ground and sometimes along 
the larger roots. The presence of these pests is 
indicated by masses of gum mixed with brown 
frass or ‘‘sawdust” exuding from the injured 
trunk. One treatment per year, preferably in 
the fall, will usually be sufficient protection. 
Paradow penetrates the burrows of the borers. 
It is fatal to insects but harmless to man or 
beast unless taken internally. 
1-Ib. pkg., 40c. 
SUPERLA—Summer Spray Oil 
This product was developed and is used pri- 
marily in combination with arsenate of lead 
or with nicotine for codling moth control. 
Superla is a clear fluid, or emulsive ready-mix 
type product, containing about 97% highly re- 
fined white oil. The balance of the ingredients 
consist of the distinctive type of emulsifiers. 
Besides codling moth, Superla is also recome- 
mended for control of apple-leaf hoppers, red 
spider, grapeberry moth, pistol case bearer and 
strawberry leaf-roller. 
For control of case bearer on pecans use 
4 Ibs. arsenate of lead, 3 quarts Superla, 1 pint 
Black Leaf 40 to 100 gallons of water. 
Prices quoted on request. 
"43" FOR THE TREE (Plastic) 
(A Scientific Tree Surgery Compound) 
I-lb. pkg., 25¢; 2-Ib. pkg., 45¢; 
10-Ib. pkg., $1.50. 
A cut or broken limb soon: becomes diseased 
and the tree quickly dies. But let ‘'43”’ work 
for you. Simply remove any decayed wood and 
fill the wound with this antiseptic, healing 
preparation. Anyone can quickly and easily 
doctor their trees. 
**43”’ for the Tree is a black plastic material 
composed of abqut 18 ingredients recognized as 
an aid to expert tree surgery work. It makes 
easy the natural growth of the tree as it con- 
forms rather than binds the limb or trunk. 
“43”" forms a waterproof dressing over the 
wound and checks disease. 
Will not sag or run but is light in weight 
and remains firmly in place. Can be applied 
all months of the year. 

DOW BRAND 
MAGNESIUM ARSENATE 
Dow Magnesium Arsenate 
is widely used to control the 
destructive bean beetle be 
cause it does this job effec- 
tively without damaging the 
tender bean foliage. 
Packed in 12-0z. and 2-lb. 
packages. 
DOW BRAND 
DRY LIME SULPHUR 
It is’ especially recom- 
mended for use against 
fungous diseases, includ- 
ing apple and pear scab, 
powdery mildew, San 
Jose scale, and red 
spider. 
Packed in 1-lb., 5-lb. 
and 12%4-lb. packages. 

SABADILLA 
A new insecticide for the control of squash 
bugs. Used as a dust. Highly recommended by 
Oklahoma A & M College. 
l-lb. pkg., .40c; 5-Ib. pkg., $1.75, postpaid. 
FAIRMOUNT WEED KILLER 
Destroys weeds, poison ivy and all vegeta- 
tion. Highly concentrated, stands dilution with 
40 parts of water. 
Paths, roadways, borders, gutters, etc., can 
be kept free from wild grass, vines, etc., by 
the use of Hammond’s Weed Killer. It can be 
used to clean up areas which have become 
overgrown. A few rains wash the ground clean 
and it is then ready for cultivation. 
Quart cans, 75¢ each; 1 gallon cans, $1.50 
each. 
GET IN PLENTY OF INSECT AMMUNITION 
- « » YOU WILL NEED IT EARLY AND OFTEN 
SULPHUR—Fine ground for dusting vege- 
table and flower plants. 
Lb., 10c¢.. 
WETTABLE SULPHUR—An extra fine pre 
pared sulphur. Mixes readily with water in 
combination with Lime, Arsenate of Lead, etc., 
and stays in suspension. 
Lb., 10¢. 
HYDRATED LIME—For mixing with sulphur 
in making Lime-Sulphur solution. 
10-Ib. bag, 25c; 40-Ib. bag, 45c. 
_TOBACCO DUST—1% Nicotine. For round 
worms in poultry use 2 pounds per 100 pounds 
oF mash. Also is used as a dust for lice on 
plants. 
Lb., 10c. 
SPRAY-COP 
A stable fungicide of high copper content. 
Contains the maximum: amount of metallic 
copper consistent with safety—nearly three 
times that of Bordeaux Mixture. 
Contains no excess lime whereas Bordeaux 
contains 48% to 50% excess lime. This un- 
combined lime in Bordeaux causes injury to 
lime-sensitive plants. 
The unique stability of Spray-Cop reduces 
the liability to copper injury and makes the 
fungicide effective on fruit foliage for a longer 
period of time. 
4-lb. bags $1.10 each. 

PERFECTION BRAND SEEDS—Since 1906 
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