16. 

 Eesalts of ;:^econcL Generation 



Ihe grain of the I plants was sown and the Fg 



1 ^ 



plants grown and harvested separately. The results as 

 they Gome out in the individual plants are very confusing 

 "but some characters could "be studied very accurately. 

 The inheritance of the color in the glumes comes out in 

 a very good Mendelian ratio of 3:1, the actual numbers be- 

 ing 179 black; 53 white. In the blacks were included all 

 shades and degrees of blackness from the color of emmer 

 to the slightest indication of the presence of a color factor. 

 All shades could be found in every cross where there were 

 sufficient numbers. 



The bearded character gave 87 bearded; 90 intermediate 

 64 beardless. If the bearded and intermediates are grouped 

 together 177 bearded : 64 intermediates or a 3:1 ratio\ but 

 no indication as to dominance of beardlessness over bearded- 

 ness. 



The velveting character was not studied on all the 

 crosses but particular care was given it in the cross be- 

 tween Red Hussar x Black Winter Emmer. In this cross 

 there seems to be two factors which control the inheritance 

 of the hairs. The Red Hussar type has hairs at the base 

 of the spikelet but the glumes are free while the Winter 

 Emmer used had hairs on the glumes but the base was free. 

 It was often necessary to use a strong lens to determine 

 the presence of the hairs. The ratio secured was: 



