66 GRAND RAPIDS GROWERS, Inc., Grand Rapids, Michigan 
Insecticides and Seed Disinfectants 
QUPONY 
REG. U, 5, PAT. OFF 
DuPont Seed Disinfectants and Turf Insecticides 
nose and angular leaf spot. 
ter grade produce. 
or rust. 
yy, 5 ee 
Akctable and Flos 
= Seeds or Bulbs 
fine turfs. 
CORROSIVE SUBLIMATE “Merck.” Used for scab on 
Potatoes, for the prevention and control of brown 
patch on lawns, ridding lawns of earth worms also 
for Gladiolus thrip. 
CYANOGAS 
Cyanogas A Dust. Calcium Cyanide for killing all ro- 
dents. 1-lb. cans, 5-lb. cans. 
Cyanogas G Fumigant. For greenhouse fumigation or 
general fumigation of all enclosed spaces. 4-oz. cans, 
5-lb. cans, 25-]b. drums. 
DDT. Dusts and liquids. 
Dusting Sulphur. Used for crop dusting. Sold in 100- 
lb. bags or in bulk. 
Ever Green Garden Spray. Retail 
prices: 1 0z., 35c; 6 ozs., $1.15; 1 pt., 
$2.45; 1 qt., $4.10; 1 gal., to com- 
mercial growers, $12.60. 
Formaldehyde, Liquid mixed to pre- 
vent smut in Onions, Potato treat- 
ment, etc. Sold in your container or 
in 50-gal. drums; also in pt. bottles. 
MULLS INSECTS eo PLANTS 
Krop-Saver No. 10 Pyrocide Dust. Very effective on 
Cucumber beetles, Squash bugs, etc. 
New, Improved CERESAN. For Wheat, Oats, Rarley, Rye, Sorghums, Millets and Flax, to 
control smuts and some other seed-borne diseases. Usually reduces seed decay and 
seedling damping off of Cotton, Flax, Peas and Sugar Beets, surface seed-borne anthrac- 
ARASAN. For Corn, Sorghums, Peanuts, Soy Beans, Rice, Onions and other vegetables. 
Usually reduces losses from seed decay and damping off. Two-way action—as a disin- 
fectant, generally destroys many surface seed-borne organisms; as a protectant, general- 
ly protects seed against soil-borne organisms responsible for seed decay. 
SEMESAN. For vegetables, flower seeds and bulbs. Generally preserves seed against rot- 
ting in cold, wet soils, controls damping off or seedling blight and certain other seed- 
borne diseases. Helps promote increased germination, sturdier growth, larger yields, bet- 
SPECIAL SEMESAN. For lawns, golf courses and other fine turfs. A fungicide used 
especially to prevent or control large brown patch and dollar spot. Apply as a liquid. 
SEMESAN BEL. For both Irish and Sweet Potatoes. Treat Irish Potatoes to reduce seed 
rotting, surface seed-borne rhizoctonia and scab. Treat Sweet Potatoes to protect against 
seed decay and as a treatment for seed and sprouts to control stem rot, scurf, soil stain 
TERSAN. This is an exceptionally effective non-mercurial for prevention or control of 
large brown patch and dollar spot on golf courses, grass tennis courts, lawns and other 
Calomel, “Merck.” Used for Onion thrip, Potato scab, 
and neck rot on Gladiolus. A seed treatment for Cab- 
bage and Cauliflower seed as well as field treatment. 
Cuprocide, Yellow (Red Copper Oxide). For seed treat- 
ment. Used in greenhouses to prevent damping off 
and black leg. 3-lb. bags only. 
Red Arrow Spray. A concen- 
trated rotenone spray in 
1-0z., 4-0z., 1-pt., 1-qt., and 
1-gal. bottles. 
RoofoNne 
Reg.U.S Pot Of, 
Rootone. The plant hormone 
powder is a root forming 
stimulant when applied to 
cuttings, seeds or bulbs. This 
powder gets its root forming 
activity from the synthetic 
plant hormones or growth 
substances which it contains, 
and is used on grass seeds, 
vegetable and flower seeds, 
bulbs of all kinds. % oz., 25e; 
2-0z. bottle $1.00; 1 Ib., $5.00. 
Rootone No 10. For woody cut- 
tings only. 2-0z. size $2.00, 
postage extra. 
