92 



CORN CROPS 



selection contained almost twice as much protein (14.26 

 to 8.64) as the low, while the high-oil selection contained 

 almost three times as much oil as the low (7.37 to 2.66). 

 At the Nebraska station, pedigree selection for yield was 

 practiced for five years in one case and two years in 

 another, and an increased yield, amounting to nine 

 bushels was secured in both cases. 



TABLE XV 



(Class I) Result of Five Years' Pedigree Selection for 

 Yield. Bushels per Acre 



(Class II) Result of Two Years' Pedigree Selection for 



Yield 



Selected strains .... 

 Check plats (original stock) 

 Difference .... 



1908 



Bushels 



68.0 

 59.0 



9.0 



References on type of ear and stalk : — 

 Ohio Agr. Exp. Sta., Bui. 212. (1909.) 

 Nebr. Agr. Exp. Sta., Bui. No. 91, p. 12 (1906) ; No. 112, p. 17 



(1909). 

 Nebr. Agr. Exp. Sta., Ann. Rpt. 1910, p. 154. 

 Cornell Bui. 287. (1910.) 

 111. Bui. 1.32. (1909.) 

 Hartley, C. P. Yearbook U. S. Dept. Agr. 1909, pp. 309-320. 



