IMPROVEMENT OF PLANTS. 



JIG. 8O. IMPROVEMENT OF CORN BY SELECTION. 



Boone County white on left, and the original type from which it was developed 

 by selection on right. 



2. These desired characteristics must be 

 chosen along" the line of the natural development 

 of the plant. In this way not only is the time 

 lessened in reaching the desired variety, but the 

 attainment of that variety is much more nearly 

 certain. 



3. These characteristics must be in harmony 

 with each other. 



(i) For example, if earliness is especially 

 desired, size must not be expected, as in the 

 earliest varieties for example, sweet corn the 

 size not only of the ears but of the whole plant 

 is much reduced. 



