Ounces of sugar in mother 
wy 
1916] PRITCHARD—SUGAR-BEET BREEDING 439 
between the weight of the mother root and the average percentage 
of sugar or the average sugar content of its progeny roots. More- 
over, exceptionally good roots transmit no different qualities than 
S 
f sugar in mother roots 
< ¢ ; 
S 
47265 
Fic. 14.—To accompany table XVI 
Average ounces of sugar per beet in Progeny in (310 
Whe ws 4 
Hen OHH & & & & & Ss & & % 
5 Oo UM HK G&S @ ra oN $F & HO 
49 SiN SURE Re ES FF 
22 P, Pd 
5 20h ba" J 
‘ Ras 8 ‘ 
\ 
~ 
h 
Yoot /n 1/308 
ew ww 
on 
Fic. 15.—To accompany table XVII 
do average roots. In fact, the poorest roots made as good progeny 
records as the best roots. While cross-fertilization may have 
had an equalizing tendency upon the qualities, real differences 
could hardly be eliminated in one generation, as both good and 
