134 



SOUTHERN FIELD CROPS 



Around the edges of this breeding-plot, plant the 'best 

 ears not used in the breeding-plot, these " general-crop 

 rows " serving partially to exclude pollen of inferior plants 

 and of other varieties. If practicable, let this breeding-plot 



I 



X 



I 



io.il.U.i».a.il>.i».ls.i%iz.lo. ».6. 4^ 2. 7. 3. S. 7. S. rf/t3JSJ7.l9-2t.i3.2i:27.2f^ 



Fig. 72. — Diagram showing Arrangement of Rows in Corn 

 Breeding-Plot. 



Dotted lines represent detasseled parts of each row, from which seed 

 com is selected ; continuous lines represent parts of each row not detas- 

 the best ears (1, 2, 3, etc.) are planted near the center of the plot. 



be at least a quarter or half of a mile from any other field 

 of corn, and preferably separated from any other corn by 

 woodland. 



