INSECTICIDES | 
Tremendous improvements have been made in pest control ‘ma- 
terials—during and since the war. We list the following , which 
represent the latest and best developments. ih F 


FREE—descriptive pamphlets covering insecticides, weed killers,’ fungicides 
(for disease control) and seed disinfectants will be sent upon request. 
Please state what you wish to control. 

DDT No. 50 
A wettable powder especially prepared to mix readily with water 
for spraying. Contains 50% DDT. This high content makes a 
spray leaving minimum visible residue which is an advantage on 
many crops. To use on crops mix 1 to 2 pounds to 100 gallons of 
water. 
Effective against: Codling moth on apples, Colorado potato beetle, 
potato leafhopper, potato flea beetle, cut worms, corn borer, corn 
earworm, cabbage worm, pea weevil, lygus bugs, bean leafroller, 
velvet bean caterpiller, thrips, tomato fruitworm and tomato 
pinworm. Will kill cucumber beetle, pickle worm, and melon worm 
but not recommended for use on these crops as it will stunt growth 
of the vines unless used in a very weak solution. This spray 
leaves residue on the plants, clinging to the surface in the form 
of fine crystals, sometimes remaining active for weeks. 
CAUTION—Care should be taken to avoid leaving DDT residue 
on fruits and vegetables unless these can be thoroughly washed 
before eating or on which no spray has been applied for 2 or 3 
weeks. DDT is harmful to honey bees and other beneficial insects. 
Can ‘be used in buildings mixing 1 lb. of DDT No. 50 to 2 gals. of 
water spraying 1 gal. to 2,000 sq. ft. of surface; leaves a slight 
residue which has a long after-effect killing flies, mosquitos, ete. 
On animals use 2 lbs. to 25 gallons of water as a spray or dip— 
kills lice and horn flies. 
PRICE: PREPAID—(1 Ib., 90c) 
NOT PREPAID—(4 Ibs., $2.50) (9 Ibs., $5.40) (50 Ibs., $27.50) 
by express or freight collect or if by mail add postage. 
DDT No. 5 DUST 
The easy to apply dust form of this valuable insecticide. See DDT 
No. 50 for crops on which it may be used and for the insects 
that may be controlled. 
PRICE: PREPAID—(1 Ib., 55c) 
NOT PREPAID—(5 Ibs., $1.35) (25 lbs., $3.75) (100 Ibs., $12.00) 
by express or freight collect or if by mail add postage. 
DU PONT GARDEN DUST 
A complete dust that kills garden insects, also prevents and 
stops. many plant diseases. Contains Parzate, Fermate, Deenate 
DDT and Rotenone. It should be dusted on full strength or if a 
wet spray is desired mix 1 lb. with 5 gallons of water. 
NOT PREPAID—(1 Ib. sifter-top can, $1.15) (4 Ib. canister, $3.30) 
if wanted by mail please add enough to cover postage. 
EN EE eee 
86 D. V. Burrell Seed Growers Co., Rocky Ford, Colo. 
