66 
GRAND RAPIDS GROWERS, Inc., Grand Rapids, Michigan 
Insecticides and Seed Disinfectants 
GUPOND 
REG. U.S. PAT. OFF 
DuPont Seed Disinfectants and Turf Insecticides 
New, Improved CERESAN. For Wheat, Oats, Barley, 
Rye, Sorghums, Millets and Flax, to control smuts 
and some other seed-borne diseases. Usually re- 
duces seed decay and seedling damping off of Cot- 
ton, Flax, Peas and Sugar Beets, surface seed-borne 
anthracnose and angular leaf spot. 
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 disinfectant, generally destroys many 
surface seed-borne organisms; as a protectant, 
generally protects seed against soil-borne organ- 
isms responsible for seed decay. 
SEMESAN. For vegetables, flower seeds and bulbs. 
Generally preserves seed against rotting in cold, 
wet soils, controls damping off or seedling blight 
and certain other seed-borne diseases. Helps pro- 
mote increased germination, sturdier growth, larg- 
er yields, better grade produce. 
SPECIAL SEMESAN. For lawns, golf courses and 
_ other fine turfs. A fungicide used especially to pre- 
vent or control large brown patch and dollar spot. 
Apply as a liquid. 
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-o0z. cans, 
5-lb. cans, 25-lb. drums. 
DDT. Dusts and liquids. 
Dusting Sulphur. Used for crop dusting. Sold in 100- 
lb. bags or in bulk. 
o 
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. 
NON: POISONOUS 
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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. 
Lin WMOECTS on PLANTS 
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Krop-Saver No. 10 Pyrocide Dust. Very effective on 
Cucumber beetles, Squash bugs, etc. 
SEMESAN BEL. For both Irish and Sweet Potatoes. 
Treat Irish Potatoes to reduce seed rotting, surface 
seed-borne rhizoctonia and scab. Treat Sweet Po- 
tatoes to protect against seed decay and as a treat- 
ment for seed and sprouts to control stem rot, 
scurf, soil stain or rust. 
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 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. 
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 Pat Off. 
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. %4 oz., 25c; 
2-0z. bottle $1.00; 1 Ib., $5.00. 
Rootone No 10. For woody cut- 
tings only. 2-0z. size $2.00, 
postage extra. 
