

Highest Yield 
IN THREE OUT OF TWELVE DISTRICTS 
AMONG COMMERCIAL HYBRIDS 
Highest Yield 
IN TWO OF THE FOUR SECTIONS 
AMONG COMMERCIAL HYBRIDS 
© Pioneer 333 produced the highest average yield among 
104 commercial hybrids in the North Central Section with a 
yield of 84.07 bushels per acre, and Pioneer 336 made the 
highest average yield among 75 commercial hybrids in the 
Southern Section with a yield of 65.43 bushels per acre in 
the official 1941 Iowa Corn Yield Test. Seventy-one produc- 
ers entered 1,065 commercial hybrids in the 12 districts. 
PIONEER ranks 
high in long-time averages 
© Long time averages are more significant than “one year” 
results in yield tests. Pioneer 322 and 307 hold 8 of the 
16 first place positions for long time averages in general 
performance shown in the 1941 Iowa Corn Yield Test bulle- 
tin. Pioneer 322 ranks FIRST for resistance to lodging among 
all hybrids tested for six and five years in the Northern 
Section. 



Pioneer 
Number 
: Rank for 
General Performance 
Years 
Average 

NORTHERN SECTION 




6 First 322 
Ss: First 322 
4 First 322 
3 322 




First 
NORTH CENTRAL SECTION 





6 First 322 
8 First 322 
4 First 307 
3 Second 307 
SOUTH CENTRAL SECTION _ 
a : : 
, ot reported in bulletin = 
SOUTHERN SECTION 
4 Second 307 
3 907 
Fifth — 
year averages not reported in 
ae os . Bs Sasi anaicieiieh 
WRITE TO IOWA STATE COLLEGE, AMES, IOWA, FOR 1941 IOWA CORN YIELD TEST BULLETIN NO. P38 


ee eee oe od 
Pamrciny 

CARs 
POTTavATT anit 
Teowsey| spams Bunion TP coasee’ 
© The test is conducted cooperatively by the lowa Agricultural Ex- 
periment Station, the Iowa Corn and Small Grain Growers’ Associa- 
tion and U.S. D. A. The state is divided into 12 districts. One testing 
field is located in each district. The 12 districts are combined to form 
4 sections with 3 districts each. 


1941 MINNESOTA CORN YIELD TRIALS 
Highest Yield in 5 of 11 Fields 
© Pioneer hybrids produced the highest yields in 5 
of the 11 test fields. In all test fields, there was a 
total of 33 “adapted corn” groupings among early, 
medium early, and medium late hybrids. Pioneer 
alone made highest yields in One-third of the 33 
groupings. 


















Pioneer 353-A Produced hi 
ghest yields in Groy I 
(Early Hybrids) in 2 of the i 
3 Southern Zone fields 

Central Zones. Both 353 and 353-A were Outstanding 
for resistance to stalk breaking. 



1941 ILLINOIS CORN PERFORMANCE TEST 
Pioneer Makes Highest Yield 
© A Pioneer hybrid produced t 
in the test . , 


he highest yield made 
3 - 131.4 bushels per acre. In the long- 
time general performance averages (includes 2, 3, 4 
and 5 year results) Teported in the 194] ¢ 
Pioneer hybrids hold over one-half of 
first place positions. 



est bulletin, 
all possible 




