Corn Investigations 
87 
Prize. (4) Pure line Nebraska White Prize ears fertilized by a 
mixture of pollen from pure line sister plants and from stand- 
ard Hogue’s Yellow Dent. (5) Ordinary standard Hogue’s 
Yellow Dent ears fertilized by a mixture of pollen from the 
same variety and from Nebraska White Prize pure lines. (6) 
Standard Nebraska White Prize ears fertilized by a mixture 
from the same variety and from Hogue’s Yellow Dent pure 
lines. (7) Hogue’s Yellow Dent ears fertilized by a mixture of 
pollen from the same variety and from standard Nebraska White 
Prize. (8) Standard Nebraska White Prize ears fertilized by a 
mixture of pollen from the same variety and from standard 
Hogue's Yellow Dent. 
The number of ears available for the pure line combina- 
tions is so small that the increase in weight due to foreign 
pollen may not be typical in exact degree, tho the general indi- 
cation is correct. The results are given in Table 34 and are 
summarized together with other 1921 data in Table 35. 
Hybrid kernels on Hogue’s Yellow Dent pure line ears fer- 
tilized with pollen from Nebraska White Prize pure lines 
weighed 16.15 per cent heavier than the pure kernels. 
Hybrid kernels on Nebraska White Prize pure line ears fer- 
tilized with pollen from Hogue’s Yellow Dent pure lines weighed 
10.87 per cent heavier than the pure kernels. 
Hybrid kernels on Hogue’s Yellow Dent pure line ears fer- 
tilized with pollen from the ordinary commercial variety of 
Nebraska White Prize corn weighed 6.97 per cent heavier than 
the pure kernels. 
Hybrid kernels on Nebraska White Prize pure line ears 
which had been fertilized with pollen from standard Hogue’s 
Yellow Dent weighed 10.65 per cent heavier than the pure 
kernels. 
Hybrid kernels on ordinary commercial Hogue’s Yellow 
Dent ears fertilized by Nebraska White Prize pure lines weighed 
0.73 per cent less than the pure kernels. 
Hybrid kernels on ordinary commercial Nebraska White 
Prize ears fertilized by Hogue’s Yellow Dent pure lines weighed 
0.64 per cent heavier than the pure kernels. 
Hybrid kernels on ordinary commercial Hogue’s Yellow 
Dent ears fertilized by ordinary commercial Nebraska White 
Prize weighed 1.09 per cent heavier than the pure kernels. 
Hybrid kernels on ordinary commercial Nebraska White 
Prize ears fertilized by ordinary commercial Hogue’s Yellow 
Dent weighed 0.10 per cent less than pure kernels. 
