
DON’T FORGET 
MOST KEYSTONE 
HYBRIDS ARE 
OKLAHOMA-GROWN 
AND CERTIFIED 
et ete ee a i i a a 
Kd Keller s 
KEYSTONE 38 
(EARLY TO MEDIUM EARLY ) 
for teystones 
KEYSTONE 222 
(FULL SEASON) 
Bred for the South—vVery 
Large Grains 
ONE TO THREE EARS PER STALK 
% Excellent Full-Season Hy- 
brid Won Second Place in 
Arkansas State Seed 
Show. 
% In One Year in Oklahoma 
Official Yield Trials, 222 
Was HIGHEST YIELDING 
Full-Season Hybrid in 
TWO Trials and Second 
Highest in THREE Trials. 
% Has Been Highest Yielding 
Hybrid in Southeastern 
Kansas for Two Years, 
Basis Official Yield Trials 
in Kansas. 
148 Bu. Per Acre Yield— 
The outstanding all purpose 
hybrid 
recommended for 
bottom land or upland 
> Accepted as the Outstand- 
ing EARLY MATURING Hy- 
brid in Oklahoma. 
% Always Found at the Top 
in Yield, or Near the Top, 
in Official State Yield 
Trials and County Agent 
Tests. 
% Won FIRST PLACE in State- 
wide Seed Show in Ar- 
kansas in 1948. 
% Produces 2 ears on Fertile 









Calvin, Okla., this Past 
Soils. Season. 
MATURITY | SOIL TYPE NUMBER OF EARS 
KEYSTONE 38 | Early ist ouom | 8 Thin Dana 
KEYSTONE 39 Early eatin, | 1:2 on Most Soils 
asl: 40 eae Sere 1-2 Long and Tapering 
KEYSTONE 222 Full Season ed tne : als faa of Plants— 
KEYSTONE 106W | Medium Guedtens a) 1:2 Long Ears 
(All Keystone Hybrids are ‘‘Bred”’ for Medium Soft Grains of 
Good Feeding Quality, and High Shelling Percentage) 
KEYSTONE HYBRIDS are “CHEM-SEALED.” Each grain is “sealed” against 
ROT and DISEASES in cold wet soils—helps seed off to a good healthy start. 
~~ E—< Bao Ba OE es Se 
Other HYBRID CORNS Giving 
Satisfactory Results in Oklahoma 
IOWEALTH 29 A 
Here is a hybrid combining good parent 
strains from the four corners of the corn 
belt. High yields, late maturity, tough 
stalk and roots, drought resistance, 
mammoth ears and wide deep kernels 
all describe this fine corn. Best adapted 
to good soils, but it will also please 
you on uplands and hills. Lots of ears 
are a full foot long. It is fine for hand 
and machine husking, It can hold up 
lots of vines and it outgrows weeds. 
U.S. NO. 13 
Kansas Grown Certified 
This has been a good producer in many 
sections. Kansas Certified for those who 
want Kansas grown seed. 
FUNK’S G-711 
Fall medium season, large yellow corn— 
good yields on bottom lands. 
WHITE HYBRID 22-34 
White yielding white 
corn in state tests—Certified stock. 
corn—Highest 
KELLER SEED STORE 
Oklahoma’s Oldest Seed House 
208 E. MAIN STREET 
SHAWNEE, OKLAHOMA 
TELEPHONE 140 
47 

