



NON-POISONOUS 
\ PYROCIDE 
. DUST 
HIGH IN KILLING POWER 
UNIFORM 
Pyrocide Dust Combinations 
Pyrocide Dust will not be available this season, 
as supplies of Pyrethrum have been allocated to the 
Army and Navy. We suggest using R-60 Dust, Free 
Nicctine Dust and No. 20-C Dust. 
PYROCIDE DUST No. 6—Is recommended for the 
eontrol of cabbage worms, plant lice, flea beetle 
and biister beetle. (Not available.) 
PYROCIDE DUST No. 10—Is recommended as a gen- 
eral insecticide including the control of web 
worms, cucumber beetle, bean beetle, tarnish plant 
bug, leaf tier, grape leaf hopper, thrips, Colo- 
rado potato beetles and the asparague beetle. (Not 
available.) 
PYROCIDE-SULPHUR DUST No. 5 SPECIAL—A 
special Pyrocide and Sulphur mixture recom- 
mended as a specific control of tomato and potato 
psyllids; will also control flea beetles, aphids, leaf 
hoppers, striped and spotted cucumber beetles, 
thrips, Mexican bean beetles, and Colorado potato 
beetles. (Not available.) 
PYROCIDE-CUPROCIDE DUST No. 5-C—A special! 
Pyrocide and Cuprocide mixture recommended as 
a specific control of the striped and spotted cu- 
cumber beetles. Is also effective against flea 
beetles, aphids, leaf hoppers, thrips and Mexican 
bean beetles. The cuprocide in this dust serves as 
an insect repellent and fungicide. It is especially 
recommended for use on celery, potatoes and to- 
matoes for the control of both insects and dis- 
eases. (Not available.) 
ROCKY MOUNTAIN FREE NICOTINE DUST—This 
material is recommended for the specific control 
of aphids (plant lice) and thrips. Contains Free 
Nicotine and requires no lime to liberate the nico- 
fumes. Being lime free it is safe to use on prac- 
tically all truck crops. 
3 PER CENT FREE NICOTINE DUST—Price: (100 
Ibs. $16.00), f.0.b. Denver. 


NOTICE 
The use of Pyrocide Dusts, R-60 Dust, Cupro- 
cide Dusts and Kopper King Dust is restricted 
for the protection of Major Food Crops only, and 
cannot be used on flowers, shrubs, trees or the 
home garden. 



THE ROCKY MOUNTAIN SEED CO. -:- DENVER, COLO. 59 
~~ 
CUPROCIDE 

YELLOW CUPROCIDE—Is a new, highly effective 
spray material in the form of a dry powder. It 
suspends readily in water. For control of damp- 
ing-off in its second stage, spray seed bed im- 
mediately after planting seed and once more be- 
fore seedlings appear. Spray seedlings every 7 to 
10 days. Eispecially good for the control of blight 
and leaf spot on celery, tomatoes and potatoes: 
3-lb. package makes 200 gallons of spray. (3-Ih. 
pkg. $1.40) (case, 48 Ibs. $20.20), f.0.b. Denver. 
ROCKY MOUNTAIN CUPROCIDE 
DUST No. C-5—Recommended 
as a specific control of plant 
fungus diseases such as late 
and early blight on potatoes; 
leaf spot and early blight on 
tomatoes; early and late blight 
and rust on celery; contains 5 
per cent Cuprocide and the remainder inert car- 
rier. Contains no lime, consequently is safe to use 
on all types of plants. Price: (100 Ibs. $8.00), f.o.b. 
Denver. 
ROCKY MOUNTAIN SPI-DO-SPRA—An all around 
garden insect spray recommended for the contro! 
of aphids, flea beetles, leaf hoppers, white fly. 
mealy bugs, spider mites, thrips and scales. Con- 
tains thiocyanate and rotenone. Is a contact spray 
and considered to be non-injurious to warm 
blooded animals. Dilution 1-400. 
Price: (1 gallon $7.50), f.o.b. Denver. 
ROCKY MOUNTAIN L-384 CATTLE SPRAY—A new 
synthetic cattle spray combining long repellency. 
quick knock-down, high killing power, stability, 
economy and safety unsurpassed by other oil or 
pyrethrum sprays. Use undiluted. 
Price: (1 gallon $1.40), (5 gals. $6.25) (10 gals. 
$11.00) (50 gals. $50.00), 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 hop- 
pers, pea weevils, and Mexican bean beeties. 
Price: (100 Ibs. $12.00), f.o.b. Denver. 
KOPPER KING DUST No. 10—Recommended for the 
control of early and late 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 ef- 
fect on the growth of plants resulting in increased 
yields and higher quality produce. 
Price: (100 Ibs. $8.00), f.0o.b. Denver. 
ROCKY MOUNTAIN POTATO DUST No. 20-C—A 
combination of Cryolite, Yellow Cuprocide, and 
sulphur. If applied as the insects and diseases 
first appear and repeated as needed will satisfac- 
torily prevent or control such pests as flea beetles, 
Colorado potato beetle, and psyllids; and such 
diseases as early and late blight. 
Price: ($12.00 per 100 Ibs.), f.o.b. Denver. 
