AN ANALYSIS OF THE EFFECT OF SELECTION. 



19 



12345678 12345 



Fig. 9. — Means and standard deviations for speck (1331) minus line. 



Table 16. — 1331 (Speck), Minus Line. 



Genera- 

 tion. 



M 



Diff. M. 



Fi 

 F2 

 Fa 

 F4 

 Fi 

 Fe 

 Ft 

 Fs 

 New set 



Fi. 



F2. 



F3. 



F4. 



Fs. 



125 



298 

 395 

 377 

 307 

 169 

 159 

 27 



21 

 36 

 99 

 163 

 16 



4.464±0.044 



4.688= 

 4.187= 

 4.141= 

 4.072= 

 3.982= 

 3.943= 

 4.333= 



.031 

 .026 

 .017 

 .016 

 .022 

 .019 

 .071 



4. 000 =fc 0.076 

 4.417=*= .072 

 4.081--t .045 

 3.951=t .031 

 3.188=1= .167 



0.733=t0.031 



.790=t .022 



.767=t= .018 



.495=*= .012 



.425=*= .012 



.414=1= .015 



.341=*= .013 



.547=1= .050 



0.535=*= 0.048 



.638=*= .051 



.629=*= .031 



.584=*= .028 



.948=*= .118 



+0.132=*= 0.039 

 1+ .170=*= .028 

 1+ .224=1= .030 

 1+ .023=t .037 



- .184=*= .050 



- .014=*= .053 



0. 000=1=0. 147 

 2+ .136=1= .051 



2,192 



+0.896 



1- .435 



1- .134 



1+ .303 



+ .304 



+ .399 



+ 1.333 



+ 1.000 

 + .417 

 + .081 

 2+ .295 

 + .188 



Reversed Selection. 



Fa 

 F4 

 F5 



161 

 91 

 21 



273 



^Includes data from reversed selection. 

 ^Includes culture 2625, a mating of 6X6. 



This culture is not included in the other columns. 



